Pro Boat Rockstar 48 User manual

Owners Manual • Bedienungsanleitung •
Manuel de l’Utilisateur • Manuale dell’Utente
PRB09003
48

48
2
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Recommended Tools and Materials
• SealableFuelContainer
• Evolution®2-CycleOil(EVOX1001Q)or
HighPerformance2-CycleOil(DYNE4100)
• Gasoline(+87Octane),Ethanol-free
• 4AAbatteriesforthetransmitter
• 3-in-1TuningScrewdriver(DYN3048)
• #1PhillipsScrewdriver
• SmallCrescentWrench
• Open-endwrench:8mm
• Open-endwrench:10mm
• 1.5mmHexWrench
• 2mmHexWrench
• 2.5mmHexWrench
• 4mmHexWrench
• Balllinkpliers(RV01005)
• Sparkplugwrench
• Sparkpluggapgauge
• Dynamite®Prophet™SportLiPoACBalanceCharger
(DYNC2005)
• Threadlock
• CAorEpoxyGlue
• ProBoat®MarineGreaseandGun(PRB0100)
• Cleartape(DYNM0102)
• CarWax
• CleanTowels
Astheuserofthisproduct,youaresolelyresponsiblefor
operatinginamannerthatdoesnotendangeryourselfand
othersorresultindamagetotheproductortheproperty
ofothers.
• Whenhandlingand/ortransportingyourboat,always
pickuptheboatfromthefront,keepingallmoving
partspointedawayfromyou.
• Alwayskeepasafedistanceinalldirectionsaround
yourmodeltoavoidcollisionsorinjury.Thismodelis
controlledbyaradiosignalsubjecttointerferencefrom
manysourcesoutsideyourcontrol.Interferencecan
causemomentarylossofcontrol.
• Alwaysoperateyourmodelinopenspacesawayfrom
full-sizevehicles,trafficandpeople.
• Alwayscarefullyfollowthedirectionsandwarnings
forthisandanyoptionalsupportequipment(chargers,
rechargeablebatterypacks,etc.).
• Alwayskeepallchemicals,smallpartsandanything
electricaloutofthereachofchildren.
• Alwaysavoidwaterexposuretoallequipmentnot
specificallydesignedandprotectedforthispurpose.
Moisturecausesdamagetounprotectedelectronics.
• Neverplaceanyportionofthemodelinyourmouth
asitcouldcauseseriousinjuryorevendeath.
• Neveroperateyourmodelwithlowtransmitter
batteries.
Safety Precautions and Warnings
Pleasereadthismanualforoperationandmaintenanceinstructions.
Register your boat online at www.proboatmodels.com.
NOTICE
Meaning of Special Language
All instructions, warranties and other collateral documents are subject to change at the sole discretion of Horizon Hobby, LLC. For up-to-date
product literature, visit http://www.horizonhobby.com and click on the support tab for this product.
The following terms are used throughout the product literature to indicate various levels of potential harm when operating this product:
NOTICE: Procedures, which if not properly followed, create a possibility of physical property damage AND little or no possibility of injury.
CAUTION: Procedures, which if not properly followed, create the probability of physical property damage AND a possibility
of serious injury.
WARNING: Procedures, which if not properly followed, create the probability of property damage, collateral damage, and serious
injury OR create a high probability of superficial injury.
WARNING: Read the ENTIRE instruction manual to become familiar with the features of the product before operating.
Failure to operate the product correctly can result in damage to the product, personal property and cause serious injury.
This is a sophisticated hobby product and NOT a toy. It must be operated with caution and common sense and requires some
basic mechanical ability. Failure to operate this Product in a safe and responsible manner could result in injury or damage to the
product or other property. This product is not intended for use by children without direct adult supervision. Do not use with in-
compatible components or alter this product in any way outside of the instructions provided by Horizon Hobby, LLC. This manual
contains instructions for safety, operation and maintenance. It is essential to read and follow all the instructions and warnings in
the manual, prior to assembly, setup or use, in order to operate correctly and avoid damage or serious injury.
Age Recommendation: Not for children under 14 years. This is not a toy.

Owner’s Manual
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Specifications
Length  48in(1219mm)
Beam (width)  17.3in(440mm)
Weight 20.15lb(9.14kg)
Hull Material  HandLaidFiberglass
Engine  Dynamite26ccMarineEngine
Propeller  2-bladealuminum
Transmitter  Spektrum™DX2EV32.4GHz
  PistolGripTransmitter
Receiver  SpektrumSR410
Battery  Dynamite7.4V5200mAh2S
  15CLi-Po
Product Inspection
Carefullyremovetheboatandradiotransmitterfromthe
box.Inspecttheboatfordamage.
Ifyoufinddamageispresent,pleasecontacttheretailer
whereyoupurchasedyourboat.
Table of Contents
BoatStandAssembly...................................................... 4
CanopyRemoval.............................................................. 4
PropellerInstallation........................................................ 4
RudderInstallatiton......................................................... 4
ChargingtheReceiverBattery......................................... 5
ReceiverBatteryInstallation............................................ 5
AntennaTubeInstallation................................................. 5
SpektrumDX2ERadioSystem........................................ 6
Binding........................................................................... 7
RangeCheck................................................................... 7
FuelSafetyandUseInstructions..................................... 8
FuelMixingPrecautionsandGuidelines......................... 8
FuelingtheBoat.............................................................. 8
VehicleStartingandRunning........................................... 9
BreakingintheEngine.................................................... 9
BoatingTips....................................................................10
StoppingtheEngine.......................................................10
WhenyouareFinished...................................................10
AfterBoating...................................................................11
SteeringTrim...................................................................11
ThrottleTrim....................................................................11
EngineTuning................................................................ 12
CarburetorFactorySettings......................................... 12
AdjustingtheHighSpeedNeedle................................ 12
AdjustingtheLowSpeedNeedle................................ 12
IdleAdjustment............................................................ 12
FloodedEngine............................................................. 13
Maintenance.................................................................. 14
Clutch............................................................................. 14
WaterCoolingSystem................................................... 14
PropAngleAdjustment................................................. 15
DrivetrainLubrication..................................................... 15
TroubleshootingGuide................................................... 16
EngineTroubleshootingGuide........................................17
WarrantyandServiceContactInformation................... 19
FCCInformation............................................................ 20
ICInformation................................................................ 20
ComplianceInformationfortheEuropeanUnion.......... 20
ReplacementParts........................................................ 77
OptionalParts................................................................ 77
48 in (1219mm)
17.3 in
(440mm)

48
Rudder Installation
1. Installtherudderinthemountusing2screwsand2
locknutsasshown.
2.Connectthetubefromthebackoftheboattothe
barbedfittingonthetopoftherudder.
Propeller Installation
1. Correctlyalignthepropellerwiththedrivedogonthe
propshaft.
2. Tightenthenutonthepropshaft.
3. Disassembleinreverseorder.
Tip:Propellerbalancingcanaddseveralmphtotop
speedandreducevibration.Thereareseveraldifferent
propellerbalancingtoolsavailable.Readtheinstructions
thataccompanythepropellerbalancingtool,asremoving
materialfromthecorrectpartofthepropelleriscrucial.
Boat Stand Assembly
1. Attachthesidestandpiecestotheendpiecesas
shown.
2. UsemediumCAorepoxyadhesivetosecuretheside
standtotheends.
3. Allowtheadhesivetodrybeforeplacingyourboaton
thestand.
Canopy Removal
1. Pushdownandturnthe2knurledpinsonequarterof
aturntodisengagethepinsfromthehull.
2. Carefullylifttherearofthecanopyandpullbackto
disengagethefrontpinfromthehull.
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Owner’s Manual
Receiver Battery Installation
1. Removethe2clipsandlidfromthebattery
compartment.
2. Installthebatteryinthebatterycompartment.
3. ConnectthebatteryEC3™connectortotheON/OFF
switch.
4. Installthelidontheboxandsecurethelidusingthe
clips.
IMPORTANT:Afterboating,alwaysremovethebattery
beforetransportingorstoringtheboat.
Antenna Tube Installation
1. Removethe3clipsand2lidsfromtheboxes.
2. Removethesetscrewusinga1.5mmhexdriverand
theantennatubefromthesideoftheradiobox.
3. Feedtheantennathroughtheantennamountandinto
theantennatubeasshown.
4. Installthetubeintheantennamount,thensecurethe
tubewitha3mmsetscrewusinga1.5mmhexdriver.
5. Replacethelidsandclipsontheboxes.
6. Guidetheantennatubethroughtheholeinthe
canopyandinstallthecapontheantennatube.
IMPORTANT:Theantennamustbeinstalledabove
theboat’swaterlinetogetthebestreceptionofyour
transmitter’ssignal.
Charging the Receiver Battery
Instructions
Chooseachargerdesignedtochargetheincluded7.4V
5200mAh2S15CLiPo.WerecommendtheDynamite®
ProphetSportLiPoACBalanceCharger(DYNC2005).
Refertoyourchargermanualforcharginginstructions
andsafetyinformation.
NOTICE:Neverchargeabatteryintheboator
damagemayresult.
5
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48
Spektrum DX2E Radio System
Formoreinformationonthetransmitter,goto
www.spektrumrc.comandclickonthesupporttabtofindthe
fullmanualfortheDX2Etransmitter.
1.ST. Trimadjuststhe“handsoff”directionofthemodel.
2.Indicator Lights
• Solidgreenlightindicatesadequatebatterypower.
• Flashinggreenlightindicatesthebatteryvoltageis
criticallylow.Replacebatteries.
3.ON/OFF SwitchturnsthepowerON/OFFforthe
transmitter.
4.TH. Trimadjuststhemotorspeedtoidleatneutral.
5.Throttle Triggercontrolsspeed.
6.Steering Wheelcontrolsdirection(left/right)ofthemodel.
7.Steering Dual Rateadjuststheamounttheruddermoves
whenthesteeringwheelisturnedleftandright.
8.Antennatransmitsthesignaltothemodel.
9.BIND ButtonputsthetransmitterintoBindMode.
10.ST. REVreversesthefunctionofthesteeringwhenthe
wheelisturnedleftorright.
11.TH. REVreversesthefunctionofthespeedcontrolwhen
pulledbackorpushedforward.
6
EN
1. Pushinthebattery
coverasmall
amounttorelease
theretainingtab,
thenremovethe
cover.
2. Install4AA
batteries,taking
caretoalign
batterypolarityto
thediagraminthe
transmitter’sbattery
case.
3. Carefullyreinstallthebatterycoverbyaligningthetabs
withtheslotsonthetransmitter.
CAUTION:NEVERremovethetransmitterbatteries
whilethevehicleispoweredon,aslossofcontrol,
propertydamageorinjurymayresult.
Installing the Transmitter Batteries
6
5
1
2
8
34
7
910 11

Owner’s Manual
Binding
Bindingistheprocessofprogrammingthereceiverto
recognizetheGUID(GloballyUniqueIdentifier)codeofa
singlespecifictransmitter.Theincludedtransmitterand
receiverareboundatthefactory.Ifyouneedtorebind,
followtheinstructionsbelow.
1. Ensurethetransmitterandvehiclearebothpowered
OFF.
2. Removetheradioboxcoverandinstallthebindplug
intheBIND/batteryportofthereceiver.Powerthe
receiverthroughanyotherport.
3. PowerONthevehicle.ThereceiverLEDwillblink
green.
4. Standapproximately8–12feet(2.4–3.7m)fromthe
vehicle.Withthesteeringwheelandthrottletrigger
inthefailsafepositions(neutral),pressandhold
thebindbuttonandpowerONthetransmitter.The
transmitter’sgreenLEDwillblinkafter3seconds,
indicatingitisinbindmode.
5. ReleasethebindbuttonwhenthegreenLEDflashes.
Continueholdingfailsafepositionsuntilthebinding
processiscomplete.
6. ThereceiverLEDwillglowsolidwhenthetransmitter
andreceiverarebound.
7. PowerOFFthevehicle,thenthetransmitter.
8. Removethebindplugandstoreitinaconvenient
place.
9. Reinstalltheradioboxcover.


Thereceiverwillkeepthebindingtothetransmitteruntil
anotherbindingisdone.
Ifyouencounterproblems,obeybindinginstructionsand
refertothetroubleshootingguideforotherinstructions.If
needed,contacttheappropriateHorizonProductSupport
ofce.
NOTICE:Donotattempttobindthetransmitterand
receiverifthereareothercompatibletransmittersinbind
modewithin400feet.Doingsomayresultinunexpected
binding.
Failsafe
Intheunlikelyeventthattheradioconnectionislost
duringuse,thereceiverwilldrivetheservostotheirpre
programmedfailsafepositions(normallynothrottleand
straightsteering).
Ifthereceiverispoweredonbeforepoweringonthe
transmitter,thereceiverwillenterthisfailsafemode.
Whenthetransmitterispoweredon,normalcontrolis
resumed.
IMPORTANT:Failsafeactivatesonlyintheevent
thatsignalislostfromthetransmitter.Failsafewill
NOTactivateintheeventthatreceiverbatterypower
decreasesbelowtherecommendedminimumsorpower
tothereceiverislost.
Range Check
IMPORTANT: Performarangecheckatthebeginningof
eachboatingsession,afterrepairorafterinstallationof
newbatteries.
Ensurethereceiverantennaisextendedproperlyandall
batteriesarefullycharged.
1. Withtheradiosystempoweredonandconnected,
whiletheengineisoff,walkawayfromyourboat90
feet(32m).
2. Haveanassistantremainwiththeboattocheckfor
propercontrolmovementoftherudderandthrottle
servosinresponsetoyourtransmitterinput.
3. Ifeverythingappearstobeoperatingcorrectly,place
theboatinthewater,starttheengine,andincrease
throttleto1⁄3throttleneartheshore.
NOTICE: Donotoperatetheenginewithoutwater
coolingcirculationordamagemayresult.
4. Checksteeringandthrottleonthetransmitter.While
theboatismovingforward,ensurewaterflowsoutof
thecoolantoutlets.
5. Iftheboatdoesnotoperatecorrectly,retrievethe
boatandperformrepairs.
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• Alwaysobserveallwarnings,precautionary
statementsandinstructionssuppliedbythefuel
manufacturer/provider.
• Fuelisareaccelerant.Neveroperateyourvehicle
nearopenames.Neversmokewhileoperatingyour
vehicleorwhilehandlingfuel.
• Alwaysonlyuseamixtureofgasolineandtwo-cycle
oilforfuel.Donotuseglow(nitro)fuel.
• Alwaysusecautionwhenhandlinggasoline.
• Alwaysrunyourmodelengineinawell-ventilated
area.Modelenginesproduceharmfulcarbon
monoxidefumes.
• Alwaysdrainyourengineafteryouhavenished
runningyourvehicle.Donotstorethevehiclewith
fuelinthegastank.
• Neverhandlemodelenginesandmufersuntilthey
havehadtimetocool.Theybecomeextremelyhot
wheninuse.
• Alwaysstoreyourfuelinasafeplacewellawayfrom
sparks,heatoranythingthatcanignite.
• Alwaysensurethatgasolineandfuelarestoredina
clearlymarkedcontainerwellawayfromthereachof
children.
• Alwaysmixandstoreyourfuelsafelyinasealed,
water-resistantcontainerspecicallymadefor
gasoline.
• Alwaysstorefuelinacool,drylocation.Donot
allowfuelcontainerstocomeindirectcontactwith
concrete,asthefuelmayabsorbmoisture.
• Alwaysresponsiblydiscardfuelifthereis
condensationand/orwaterinsidethefuelcontainer.
• Neverallowfueltocomeintocontactwitheyes
ormouth.Gasolineandotherfuelsusedinmodel
enginesarepoisonous.
• Neverreturnunusedfuelfromthefueltankbackinto
thefuelcontainer.
• Contactyourlocalwastedisposalauthoritiesformore
informationaboutdiscardingfuelwasteresponsibly.
• Onlyusegasolinemixedwithtwo-cycleengineoil.
• Onlyusepre-mixtwo-cycleengineoil.Donotuseany
otherkindofoil.
• Alwaysuse92–98OctaneRON(Europe)and87–93
OctaneAKI(US)gasoline.
• Alwaysblendgasolinewithtwo-cycleengineoilata
25:1ratio.
• Neverusea40:1or32:1gas-oilratio.
• Neveruseglow(nitro)fuel.
2-Cycle Engine OilGasoline
25 : 1
Gasoline : 2-Cycle Engine Oil
1 gallon :5.1 fl oz
1/2 gallon :2.6 fl oz
1/4 gallon :1.3 fl oz
4 liters :160 ml
2 liters :80 ml
1 liter :40 ml
Fuel Safety and Use Instructions
Fueling the Boat
Fuel Mixing Precautions and Guidelines
Removethefueltankcapandllthefueltank.Tighten
thefueltankcapsecurelybackinplace.
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Owner’s Manual
Vehicle Starting and Running
Breaking in the Engine
CAUTION: Makesureyouunderstandallengineinstructionsbeforeattemptingtostarttheengine.
Failuretofollowallinstructionscanleadtodamagetoyourvehicle,propertydamageandbodilyinjury.
CAUTION:Alwayskeepallbodyparts,hairanddanglingorlooseitemsawayfromaspinningpropeller,asthese
couldbecomeentangled.
1. Removethecanopy.
2. Poweronyourtransmitter,thenpoweronthe
receiver.
3. Presstheprimingbulbseveraltimesuntilitbecomes
lledwithfuel.Thisisnotnecessaryiftheenginehas
beenrunrecently.
4. Withtheboatonastandandthepropellerunobstructed,
pullthestartercordinaquickcontinuousmotiontostart
theengine.Theengineshouldstartwithin6pulls.
5. Replacethecanopybeforeplacingtheboatinthe
water.
Breakintheenginebyrunningslowlyforthefirsthalf
tankoffuel(about25minutes).
NOTICE: Donotadjustcarburetorsettingsduring
break-in.Doingsowillcauseenginedamage.
Whentheboatismovingforward,ensurewaterflows
outofthecoolantoutlets.Ifwaterisnotflowingoutof
thecoolantoutlets,removeanyblockagefromtherudder
inletandcoolantsystemortheengineandtunedmuffler
mayoverheat.
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Stopping the Engine
Anytimeyouwanttostoptheengine,especiallyifthere
isaproblemwiththeengine,stoptheenginebypressing
theKILLswitch.
CAUTION:Donottouchtheengineandmuffler.
Theybecomeextremelyhotduringoperationand
cancauseinjuryorfire.
Boating Tips
Avoidboatingnearotherwatercraft,stationaryobjects,
waves,wakesandotherrapidlymovingwater,wildlife,
floatingdebrisoroverhangingtrees.Youshouldalsobe
carefultoavoidboatinginareaswheretherearemany
people,suchasswimmingareas,parkwaterwaysor
fishingareas.Consultlocallawsandordinancesbefore
choosingalocationtopilotyourboat.
Maximumspeedsareonlyachievedwhenthewater
conditionsaresmoothandthereislittlewind.Asharp
turn,windorwavescanturnoveraboatwhenitis
movingquickly.Alwayspilotyourboatforthewindand
waterconditionssothattheboatdoesnotturnover.
Whenrunningyourboatforthefirsttime,we
recommendcalmwindandwaterconditionssothatyou
canlearnhowtheboatrespondstoyourcontrol.
Whenmakingturns,decreasethethrottletoreducethe
probabilityofflippingtheboatover.
Neveroperateyourboatinlessthan12inches(30.5cm)
ofwater.
Ifyouneedtoretrieveyourboatfromthewater,use
fishingequipmentoranotherboat.
NOTICE: Whenrunningatfullspeedinchoppywaters,
thepropmayexitandre-enterthewaterrepeatedlyand
veryquickly,subjectingthepropellerandflexshaftto
somestress.Frequentstressmaydamagethepropeller
andflexshaft.
CAUTION: Neveroperateyourboatinextreme
temperaturesorturbulentwater.
CAUTION: Neverattempttoretrieveadowned
boatbyswimming.
When You Are Finished
1. Poweroffthereceiver.
2. Poweroffthetransmitter.
3. Disconnectandremovethebatteryfromtheboat.
CAUTION: Neverpoweroffthetransmitteror
receiverbeforestoppingtheengine.Youwilllose
controlofyourvehicle.
Tip:Alwaysremovethecanopybeforestorageor
moisturemayallowmoldandmildewtogrowintheboat.
10
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Owner’s Manual
Steering Trim
UsetheST. Trimknobonthetransmittertoadjustthe
steeringtrimtocentertherudder.Iftheservoarmis
notclosetoitsdesiredneutralpositionafterthebinding
processandtheruddercannotbecenteredusingtrim,
pleasetakethefollowingsteps:
1. MakesuretheST. Trimknobissetto“0”orneutral.
2. Adjustthelinkagetotheservosotherudderis
centeredwhenthesteeringisatneutral.
Throttle Trim
AdjusttheTH. Trimsothecarburetoriscompletely
closedwhenthethrottletriggerisatneutral.Ifthrottle
cannotbeclosedusingTH. Trim,pleasetakethe
followingsteps:
1. MakesureTH. Trim knobissetto“0”orneutral.
2. Useneedle-nosepliersorballlinkpliers(RVO1005)to
removeorinstallalinkonacontrolhorn.
3. Turnthelinkageclockwiseorcounterclockwiseuntil
thethrottleisclosed.
4. Attachthelinkagetothecontrolhornafter
adjustment.
NOTICE:Throttletrimchangemayaffectengine
operation.Carburetorsettingsmustbesetcorrectlyor
damagemayresult.
After Boating
• Drainwaterfrominsidethehullusingthedrainplug
• Wipeexhaustresiduefromtheboat
• Rinsethedeck,hull,andmetalhardwarewithfresh
water,thendrythemwithacleantowel.After
cleaning,coatmetalhardwarewithasiliconespray
lubricanttohelppreventcorrosion
• Fullydrytheinsideandoutsideoftheboat,including
thewatercoolingsystem.Removethehatchbefore
storingyourboat
• Applyawaxcoatingforautomotivefinishestoyour
boattopreventoxidationandtoprotectagainst
damagecausedbyfuelorotherharmfulchemicals
• Repairanydamageorweartotheboat
• Lubricatetheflexshaft
• Makenoteoflessonslearnedfromthetrimmingof
yourboat,includingwaterandwindconditions
NOTICE: Whenyouarefinishedboating,neverleave
theboatindirectsunlightorinahot,enclosedareasuch
asacar.Doingsocandamagetheboat.
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Carburetor Factory Settings
Theenginecanbetunedfromthefactorysettingsto
optimizeperformanceundervariousconditions.Ifyou
losetrackoftheenginesettings,returntothesefactory
carburetorsettings.
Adjusting the High Speed Needle
Ifthetopspeedisslow,turninthehigh-speedneedle
1/16turnandtest.Donotexceed1/4turninfromfactory
setting(minimum11/4turnoutfromclosed)orthe
enginewillbedamaged.
Adjusting the Low Speed Needle
Ifthevehicleacceleratesslowly,turninthelow-speed
needle1/16turnandtest.
Donotexceed1/4turninfromthefactorysetting
(minimum1turnoutfromclosed)ortheenginewillbe
damaged.
Idle Adjustment
RPMLower(Arrowtoleft)
RPMHigher(Arrowtoright)
Iftheidleissettoohigh(propellerturns)ortoolow
(enginedoesnotstayrunning),adjusttheidlespeedon
thecarburetor.
Engine Tuning
Beforemakingadjustments:
• Ensuretherearenoleaksorobstructionsinthe
fueltank,fueltubingorthecarburetor.Anyfaults
canaffectengineoperationandtuning.
• Thecarburetorneedleisverysensitive.Adjusting
theneedleeven1/16ofaturnisasignificant
change.Becarefulwhenmakingadjustments.
High-SpeedNeedle(on
theleftside).Closethe
high-speedneedleby
turningitclockwiseuntil
itstops,thenturnit
counterclockwise11/2
turnsout(open).
Low-SpeedNeedle
(ontherightside).
Closethelow-speed
needlebyturning
itclockwiseuntilit
stops,thenturnit
counterclockwise1
1/4turnsout(open).
IdleScrew(belowtheneedles).
Centerthescrewsotheslotis
straightupanddown.
1/16
1/16
Max 1/4
Max 1/4
RPM
Lower
RPM
Higher
12
EN

Owner’s Manual
Spark Plug Test
CAUTION: Beforetestingthesparkplug,cleanup
spilledfuelandclosefuelcontainers.Failuretodo
canresultininjury,fireordamage.
Removethesparkplugfromtheengineandattachthe
plugwireandboottothesparkplug.Placethethreaded
endofthesparkplugagainstthemuffler.Pullthestarter
cordinaquickcontinuousmotiontoturnovertheengine
andensurethereisaspark.
Ifthereisnospark:
• Adjustthesparkpluggapto0.6–0.7mm(0.24–0.27in)
• Installanewsparkplug(LOSR5017)
CAUTION: Donottestthesparkplugnearthe
sparkplugholeorresidualfuelmayignite.
Flooded Engine
Theenginewillnotstartiftoomuchfuelisinthe
cylinder.Excessfuelcanbeexpelledbyfollowingthe
stepsbelow.
1. Disconnectandremovethesparkplug.
2.Pullthestartercordinaquickcontinuousmotion.
3. Replacethesparkplugandmakesurethebootis
tightlysecured.
NOTICE:Alwayscleanupspilledfuel.Failuretodoso
mayresultininjuryordamage.
0.6–0.7mm
0.24–0.27 in
0.6–0.7mm
0.24–0.27 in
0.6–0.7mm
0.24–0.27 in
0.6–0.7mm
0.24–0.27 in
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Clutch
Thecentrifugalclutchautomaticallyengageswhenthe
enginerpmisincreased.Besurethattheidlespeed
adjustmentissetlowenoughsothatthepropellerdoesnot
rotateatidle.Periodicallydisassembletheclutchandclean
debrisfromtheclutchshoesandtheinnerclutchbell.
Water Cooling System
Ifwaterdoesnotstreamoutofthewateroutletswhile
theboatismovingforward,immediatelystopthe
engineandcleantheobstructionfromthewatercooling
system.Theengineandmufflerhaveseparatecirculation
connections.
1. Disassembleandcleanthewatercoolingsystemto
removeblockageandpreventoverheating.
2. Replacedamagedparts.
Maintenance
1. Inspecttheengineandenginemountsfordamageor
wear.Replace,cleanorrepairasneeded.
2. Inspecttheconditionofthesparkplugandwire.
Replaceasneeded.

3. Inspectthetunedmufflerfordamageandleaks.
Tightenthescrews.
4. Cleanandcheckthecarburetorforleakageand
smoothoperation.
1mm
Ifworntowithin
1mm,replacewith
PRB292003.Notethe
directionofoperation
(arrows).
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Owner’s Manual
Prop Angle Adjustment
Raisingthepropstrutincreasesspeed,butalso
decreasessteeringresponseandincreasescavitation.
Loweringthepropstrutincreasessteeringresponse,but
alsoincreasessteeringsensitivityanddecreasesspeed.
1. Remove3boltsand3nutsonthepropstrutonthe
bottomoftheboat.
2. Slidethestrutupordowntochangetheangleofthe
propellerinrelationtothehull.
3. Adjustasdesiredandtightenthenutsandbolts.
Drivetrain Lubrication
Alwaysreplacethedrivetrainpartswhentheyare
damagedorshowvisiblewearorinjuryanddamagemay
result.
Lubricatingtheflexshaftisvitaltothelifeofthe
drivetrain.Thelubricantalsoactsasawaterseal,keeping
waterfromenteringthehullthroughthestuffingtube.
Lubricatetheflexshaftandallmovingpartsafterevery
30minutesofoperation.Lubricatethepropshaftafter
every90minutesofoperation.
1. Remove3nutsand3screwsfromthepropstruton
thebottomoftheboat.
2. Slidethestrutdownoutofthemount.
Tip:Usepaperorclothtotouchtheflexshaftandother
lubricatedparts.
3. Removetheflexshaftbyslidingitoutoftheclutch,
thestuffingtubeandthepropshaft.Markor
otherwisenotetheflexshaftendintheclutch.
4.Loosenthesetscrewofthedrivedogusinga2mm
hexdriver.
5.Removethenut,propelleranddrivedogfromtheprop
shaft.
6.Removethepropshaftand2bushingsfromtheprop
strut.
7. Wipelubricantandmaterialfromtheshafts.Lubricate
theflexshaft,propstrutandpropshaftusingmarine
grease(PRB0101orPRB0100).
NOTICE: Ensurethecorrectflexshaftendisinsertedin
theclutch.Failuretodosomayresultindamage.
8. Assembleinreverseorder.Tightenthedrivedogset
screwontheflatspotonthepropshaft,applying
threadlockasneeded.








NOTICE:Runningtheboatinsaltwatercouldcause
somepartstocorrode.Ifyouruntheboatinsaltwater,
rinseitthoroughlyinfreshwateraftereachuseand
lubricatethedrivesystem.
NOTICE: Becauseofitscorrosiveeffects,runningRC
boatsinsaltwaterisatthediscretionofthemodeler.
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48
Troubleshooting Guide
Problem Possible Cause Solution
Boatwillnotrespondto
throttlebutrespondsto
othercontrols
Throttlechannelisreversed Reversethrottlechannelontransmitter
Extranoiseorextra
vibration
Damagedpropeller,shaftorengine Replacedamagedparts
Propellerisoutofbalance Balanceorreplacepropeller
Reducedruntimeor
boatunderpowered
Receiverbatterychargeislow Completelyrechargebattery
Receiverbatteryisdamaged Replacebatteryandfollowbatteryinstructions
Blockingorfrictiononshaftorpropeller Disassemble,lubricateandcorrectlyalignparts
Boatconditionsmaybetoocold Makesurebatteryiswarmbeforeuse
Batterycapacitymaybetoolowfor
conditions Replacebatteryorusealargercapacitybattery
Drivedogistooclosetothepropstrut Loosendrivedogandmoveoutawayfromthe
propstrutasmallamount
Toolittlelubricationonflexshaft Fullylubricateflexshaft
Vegetationorotherobstaclesblock
therudderorpropeller
Removevegetationorobstaclesfromrudderor
propeller
BoatwillnotBind
(duringbinding)to
transmitter
Transmitteristoonearboatduring
bindingprocess
Movepoweredtransmitterafewfeetfromboat,
disconnectandreconnectbatterytoboat
Boatortransmitteristoocloseto
largemetalobject,wirelesssource
oranothertransmitter
Moveboatandtransmittertoanotherlocationand
attemptbindingagain
Receiverbattery/Transmitterbattery
chargeistoolow Replace/rechargebatteries
Receiverswitchisoff PoweronReceiverswitch
Boatwillnotconnect
(afterbinding)to
transmitter
Transmitteristoonearboatduring
connectingprocess
Movepoweredtransmitterafewfeetfromboat,
disconnectandreconnectbatterytoboat
Boatortransmitteristoocloseto
largemetalobject,wirelesssource
oranothertransmitter
Moveboatandtransmittertoanotherlocationand
attemptconnectingagain
Receiverbattery/transmitterbattery
chargeistoolow Replace/rechargebatteries
Receiverswitchisoff PoweronReceiverswitch
Boattendstodiveinthe
waterortakesonwater
Theboathullisnotcompletelyclosed
Dryouttheboatandensurethehatchisfully
closedonthehullbeforereturningtheboat
tothewater
Propangleisincorrect Adjustpropangle
Boattendstoturnone
direction Rudderorruddertrimisnotcentered Repairrudderoradjustrudderandruddertrim forstraightrunningwhencontrolisatneutral
Rudderdoesnotmove
Rudder,linkageorservodamage Replaceorrepairdamagedpartsandadjustcon-
trols
Servowireisdamagedorconnections
areloose
Doacheckofwiresandconnections,connect
orreplaceasneeded
Transmitterisnotboundcorrectly Re-bindreceivertothetransmitter
Receiverswitchisoff Poweronreceiverswitch
Controlsreversed Transmittersettingsarereversed DotheControlDirectionTestandadjustcontrols
ontransmitterappropriately
Engineoverheats Blockedwatercoolingsystem Cleanorreplacepartsinthewatercooling
system
Erraticcontrol Transmitteristoonearboatduring
bindingprocess
Movepoweredtransmitterafewfeetfromboat,
disconnectandreconnectbatterytoboat
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Owner’s Manual
Engine Troubleshooting Guide
Problem Possible Cause Solution
Enginedoesnotstart
Outoffuel Rellthetankandfollowstartinginstructions
Engineooded Removethesparkplug.Pullthestartercordina
quickcontinuousmotion.Replaceandtest
Fuelmixtureisoldorbad Mixfreshfuelperinstructions
Sparkplugisnotworking Repairorreplacethesparkplug
Throttleservofailed/Setupiswrong
Checkservooperation.Setittoneutralandreset
thelinkageaccordingtoyourradioandmodel
manufacturer’sspecications
Carburetorisincorrectlyadjusted Returnthecarburetortothefactorysettingsand
retuneifnecessary
Enginestopswitchismalfunctioning Checkandreplacethestopswitchifnecessary
Pistonandcylinderisworn Checkthepistonandcylinderforwearordamage
andreplaceifnecessary
Wiringisdisconnectedordamaged Connectwiring,repairorreplacedamagedparts
Receiverswitchisoff Poweronreceiverswitch
Enginestartsthenstalls
Outoffuel Rellthetankandfollowstartinginstructions
Enginemaybeoverheated Lettheenginecool.Resetthecarburetortofactory
settingsandrestart
Engineidleistoolow Followtheinstructionstoincreaseidlespeed
Carburetorisincorrectlyadjusted Returnthecarburetortothefactorysettingsand
retuneifnecessary
Clutchisslippingorlocked-up Repairorreplacetheclutch
Fuelmixtureisoldorbad Mixfreshfuelperinstructions
Throttleservoisimproperlysetup
Settheservotoneutralandresetthelinkage
accordingtoradioandmodelmanufacturer’s
specications
Clutchorexshaftcannotturn Repairorreplacedamagedparts
Engineisrunning,but
vehicledoesnotmove
Clutchisslippingorlocked-up Replacedamagedparts
Clutchorexshaftisdamaged Replacedamagedparts
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48
What This Warranty Covers
HorizonHobby,LLC,(Horizon)warrantstotheoriginal
purchaserthattheproductpurchased(the"Product")will
befreefromdefectsinmaterialsandworkmanshipatthe
dateofpurchase.
What is Not Covered
Thiswarrantyisnottransferableanddoesnotcover
(i)cosmeticdamage,(ii)damageduetoactsofGod,
accident,misuse,abuse,negligence,commercial
use,orduetoimproperuse,installation,operationor
maintenance,(iii)modificationofortoanypartofthe
Product,(iv)attemptedservicebyanyoneotherthana
HorizonHobbyauthorizedservicecenter,(v)Product
notpurchasedfromanauthorizedHorizondealer,or
(vi)Productnotcompliantwithapplicabletechnical
regulations.
OTHERTHANTHEEXPRESSWARRANTYABOVE,
HORIZONMAKESNOOTHERWARRANTYOR
REPRESENTATION,ANDHEREBYDISCLAIMSANYAND
ALLIMPLIEDWARRANTIES,INCLUDING,WITHOUT
LIMITATION,THEIMPLIEDWARRANTIESOFNON-
INFRINGEMENT,MERCHANTABILITYANDFITNESS
FORAPARTICULARPURPOSE.THEPURCHASER
ACKNOWLEDGESTHATTHEYALONEHAVE
DETERMINEDTHATTHEPRODUCTWILLSUITABLY
MEETTHEREQUIREMENTSOFTHEPURCHASER’S
INTENDEDUSE.
Purchaser’s Remedy
Horizon’ssoleobligationandpurchaser’ssoleand
exclusiveremedyshallbethatHorizonwill,atitsoption,
either(i)service,or(ii)replace,anyProductdetermined
byHorizontobedefective.Horizonreservestheright
toinspectanyandallProduct(s)involvedinawarranty
claim.Serviceorreplacementdecisionsareatthesole
discretionofHorizon.Proofofpurchaseisrequired
forallwarrantyclaims.SERVICEORREPLACEMENT
ASPROVIDEDUNDERTHISWARRANTYISTHE
PURCHASER’SSOLEANDEXCLUSIVEREMEDY.
Limitation of Liability
HORIZONSHALLNOTBELIABLEFORSPECIAL,
INDIRECT,INCIDENTALORCONSEQUENTIAL
DAMAGES,LOSSOFPROFITSORPRODUCTIONOR
COMMERCIALLOSSINANYWAY,REGARDLESSOF
WHETHERSUCHCLAIMISBASEDINCONTRACT,
WARRANTY,TORT,NEGLIGENCE,STRICTLIABILITY
ORANYOTHERTHEORYOFLIABILITY,EVENIF
HORIZONHASBEENADVISEDOFTHEPOSSIBILITY
OFSUCHDAMAGES.Further,innoeventshallthe
liabilityofHorizonexceedtheindividualpriceofthe
Productonwhichliabilityisasserted.AsHorizonhasno
controloveruse,setup,finalassembly,modificationor
misuse,noliabilityshallbeassumednoracceptedfor
anyresultingdamageorinjury.Bytheactofuse,setup
orassembly,theuseracceptsallresultingliability.Ifyou
asthepurchaseroruserarenotpreparedtoacceptthe
liabilityassociatedwiththeuseoftheProduct,purchaser
isadvisedtoreturntheProductimmediatelyinnewand
unusedconditiontotheplaceofpurchase.
Law
ThesetermsaregovernedbyIllinoislaw(withoutregard
toconflictoflawprincipals).Thiswarrantygivesyou
specificlegalrights,andyoumayalsohaveotherrights
whichvaryfromstatetostate.Horizonreservestheright
tochangeormodifythiswarrantyatanytimewithout
notice.
WARRANTY SERVICES
Questions, Assistance, and Services
Yourlocalhobbystoreand/orplaceofpurchasecannot
providewarrantysupportorservice.Onceassembly,
setuporuseoftheProducthasbeenstarted,youmust
contactyourlocaldistributororHorizondirectly.This
willenableHorizontobetteransweryourquestions
andserviceyouintheeventthatyoumayneedany
assistance.Forquestionsorassistance,pleasevisit
ourwebsiteatwww.horizonhobby.com,submita
ProductSupportInquiry,orcallthetollfreetelephone
numberreferencedintheWarrantyandServiceContact
InformationsectiontospeakwithaProductSupport
representative.
Inspection or Services
IfthisProductneedstobeinspectedorservicedandis
compliantinthecountryyouliveandusetheProduct
in,pleaseusetheHorizonOnlineServiceRequest
submissionprocessfoundonourwebsiteorcallHorizon
toobtainaReturnMerchandiseAuthorization(RMA)
number.PacktheProductsecurelyusingashipping
carton.Pleasenotethatoriginalboxesmaybeincluded,
butarenotdesignedtowithstandtherigorsofshipping
withoutadditionalprotection.Shipviaacarrierthat
providestrackingandinsuranceforlostordamaged
parcels,asHorizonisnotresponsibleformerchandise
untilitarrivesandisacceptedatourfacility.AnOnline
ServiceRequestisavailableathttp://www.horizonhobby.
com/content/_service-center_render-service-center.If
youdonothaveinternetaccess,pleasecontactHorizon
ProductSupporttoobtainaRMAnumberalongwith
instructionsforsubmittingyourproductforservice.
WhencallingHorizon,youwillbeaskedtoprovideyour
completename,streetaddress,emailaddressandphone
numberwhereyoucanbereachedduringbusiness
hours.WhensendingproductintoHorizon,pleaseinclude
yourRMAnumber,alistoftheincludeditems,anda
briefsummaryoftheproblem.Acopyofyouroriginal
salesreceiptmustbeincludedforwarrantyconsideration.
Besureyourname,address,andRMAnumberare
clearlywrittenontheoutsideoftheshippingcarton.
NOTICE:DonotshipLiPobatteriestoHorizon.Ifyou
haveanyissuewithaLiPobattery,pleasecontactthe
appropriateHorizonProductSupportoffice.
Warranty Requirements
For Warranty consideration, you must include
your original sales receipt verifying the proof-of-
purchase date. Providedwarrantyconditionshavebeen
met,yourProductwillbeservicedorreplacedfreeof
charge.Serviceorreplacementdecisionsareatthesole
discretionofHorizon.
LIMITED WARRANTY
18
EN

Owner’s Manual
Non-Warranty Service
Should your service not be covered by warranty,
service will be completed and payment will be
required without notification or estimate of the
expense unless the expense exceeds 50% of the retail
purchase cost Bysubmittingtheitemforserviceyouare
agreeingtopaymentoftheservicewithoutnotification.
Serviceestimatesareavailableuponrequest.You
mustincludethisrequestwithyouritemsubmittedfor
service.Non-warrantyserviceestimateswillbebilleda
minimumof½houroflabor.Inadditionyouwillbebilled
forreturnfreight.Horizonacceptsmoneyordersand
cashier’schecks,aswellasVisa,MasterCard,American
Express,andDiscovercards.Bysubmittinganyitem
toHorizonforservice,youareagreeingtoHorizon’s
TermsandConditionsfoundonourwebsitehttp://
www.horizonhobby.com/content/_service-center_render-
service-center.
ATTENTION:Horizon service is limited to Product
compliant in the country of use and ownership.
If received, a non-compliant Product will not be
serviced. Further, the sender will be responsible for
arranging return shipment of the un-serviced Product,
through a carrier of the sender’s choice and at the
sender’s expense. Horizon will hold non-compliant
Product for a period of 60 days from notification, after
which it will be discarded.
Warranty and Service Contact Information
Country of
Purchase Horizon Hobby Contact Information Address
UnitedStatesof
America
HorizonServiceCenter
(RepairsandRepair
Requests)
servicecenter.horizonhobby.
com/RequestForm/
4105FieldstoneRd
Champaign,Illinois,61822USA
HorizonProductSupport
(ProductTechnical
Assistance)
www.quickbase.com/db/
bghj7ey8c?a=
GenNewRecord
888-959-2306
Sales [e-mail]
888-959-2306
UnitedKingdom Service/Parts/Sales:
HorizonHobbyLimited
[e-mail] Units1–4,PloytersRd,StapleTye
Harlow,Essex,CM187NS,
UnitedKingdom
+44(0)1279641097
Germany
HorizonTechnischer
Service [e-mail] Christian-Junge-Straße1
25337Elmshorn,Germany
Sales:HorizonHobby
GmbH +49(0)41212655100
France Service/Parts/Sales:
HorizonHobbySAS
[e-mail] 11RueGeorgesCharpak
77127Lieusaint,France
+33(0)160183490
China Service/Parts/Sales:
HorizonHobby–China
[e-mail] Room506,No.97ChangshouRd.
Shanghai,China200060
+86(021)51809868
19
EN

48
Declaration of Conformity
(inaccordancewithISO/IEC17050-1)
No.HH2014112001
Product(s): Rockstar48CatamaranGasRTR
ItemNumber(s): PRB09003
Equipmentclass: 1
Theobjectofdeclarationdescribedaboveisinconformity
withtherequirementsofthespecificationslistedbelow,
followingtheprovisionsoftheEuropeanR&TTEDirective
1999/5/EC,EMCDirective2004/108/ECandLVD
Directive2006/95/EC:
EN 300-328 V1.7.1: 2006
EN301 489-1 V1.9.2: 2012
EN301 489-17 V2.1.1: 2009
EN60950-1:2006+A11:2009+A1:2010+A12: 2011
EN55022:2010 + AC:2011
EN55024:2010
Signedforandonbehalfof:
HorizonHobby,LLC
Champaign,ILUSA
November20,2014
Instructions for Disposal of WEEE by
Users in the European Union
This product must not be disposed of with other waste.
Instead, it is the user’s responsibility to dispose of their
waste equipment by handing it over to a designated
collection point for the recycling of waste electrical and
electronicequipment.Theseparatecollectionandrecycling
ofyourwasteequipmentatthetimeofdisposalwillhelpto
conservenaturalresourcesandensurethatitisrecycledin
amannerthatprotectshumanhealthandtheenvironment.
For more information about where you can drop off your
wasteequipmentforrecycling,pleasecontactyourlocalcity
office,yourhouseholdwastedisposalserviceorwhereyou
purchasedtheproduct.
Compliance Information for the European Union
Mike Dunne
Executive Vice President Product Divisions
Horizon Hobby, LLC
20
EN
FCC Information
Thisdevicecomplieswithpart15oftheFCCrules.
Operationissubjecttothefollowingtwoconditions:
(1)Thisdevicemaynotcauseharmfulinterference,and
(2)Thisdevicemustacceptanyinterferencereceived,
includinginterferencethatmaycauseundesired
operation.
CAUTION: Changesormodificationsnotexpressly
approvedbythepartyresponsibleforcompliancecould
voidtheuser’sauthoritytooperatetheequipment.
Thisproductcontainsaradiotransmitterwithwireless
technologywhichhasbeentestedandfoundtobe
compliantwiththeapplicableregulationsgoverning
aradiotransmitterinthe2.400GHzto2.4835GHz
frequencyrange.
IC Information
ThisdevicecomplieswithIndustryCanadalicence-
exemptRSSstandard(s).Operationissubjecttothe
followingtwoconditions:(1)thisdevicemaynotcause
interference,and(2)thisdevicemustacceptany
interference,includinginterferencethatmaycause
undesiredoperationofthedevice.