Nakayama PRO SM9800 User manual
FR
RO
el
SL
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EN
IT
BG
HU
v2.2
SM9800
043034
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Assembly instrucons
1) Connecng the cuer assembly
In order to connect the cuer assembly to the transmission mechanism (B) please place four sets of bolts, at washers, safety washers and safety nuts as per
picture 1. Make sure to ghten thoroughly all four safety nuts before operaon.
2) Connecng the wheels
Aach the wheels to the drive shas making sure that the side with the connecon hole is facing outwards. Align both holes and insert the Spring pin (C) as
per picture 5. Make sure to check that the spring pin is placed properly in a secured manner before operaon.
X2
X2
253 4
(C)
X4
(B)
1
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3) Connecng the handlebar
Aach the handlebar as per pictures 7-10. Align the connecng holes and insert the Locking bolt (D) by turning it clockwise. Adjust the height of the handle-
bar and then ghten the locking bolt. Make sure to check that the locking bolt is placed properly in a secured manner before operaon.
4) Connecng the fender board plates
Aach the fender board plates as per picture 11. Align the two connecng holes of the fender board plates, then insert the bolts and nuts as per picture 11.
Make sure to check that the connecng bolts and nuts are placed properly in a secured manner before operaon.
6
11
789
10
(D)
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Safety instrucons
This manual covers operaon and maintenance of the machine. All informaon in this publicaon is based on the latest product, informaon available at the
me of approval for prinng. We reserves the right to make changes at any me without noce and without incurring any obligaon.
This manual should be considered a permanent part of the machine and remain with it if it is resold.
Pay special aenon to statements preceded by the following words.
WARNING: Indicates a strong possibility of severe personal injury or death if instrucons are not followed.
CAUTION: indicates a possibility of personal injury or equipment damage if instrucons are not followed.
NOTE: Gives helpful informaon.
If you faced a problem, or if you have any quesons about the machine, please consult an authorized dealer.
WARNING: The machine is designed to give safe and dependable service if operated according to instrucons. Read and understand the Owner's Manual before
operang the machine. Failure to do so could result in personal injury or equipment damage.
The illustraon may be varied with type.
WARNING: To ensure safe operaon
For your safety and safety of others. Please pay special aenon to these precauons.
This machine is designed to give safe and
dependable service if operated according to
instrucons.
Read and understand the Owner’s Manual
before operang the machine. Failure to do so
could result in personal injury or equipment
damage.
The rotang parts are sharp and they turn at high speed. Accidental con-
tact can cause serious injury.
Keep your hands and feet away from the parts while engine is running .
Stop the engine and disengage the nes clutch before inspecon or main-
tenance of nes.
Disconnect the spark plug cap to prevent any possibility of accidental start-
ing .Wear heavy gloves to protect your hands from the nes when clearing
the nes or when inspecng or replacing the nes.
Operator’s Responsibility
Keep the machine in good operang condion. Operang a machine in poor or quesonable condion could result in serious injury.
Be sure all safety devices are in working order and warning labels are in place. These items are installed for you safety.
Be sure the safety covers (Fan cover, recoil starter cover) are in place.
Know how to stop the engine and nes quickly in case of emergency. Understand the use of all controls.
Keep a rm hold on the handlebars, they may tend to li during clutch engagement.
Training
1) Read the instrucons carefully. Be familiar with the controls and the proper use of the equipment;
2) Never allow children or people unfamiliar with these instrucons to use the machine. Local regulaons can restrict the age of the operator;
3) Never work while people, especially children, or pets are nearby;
4) Keep in mind that the operator or user is responsible or accidents or hazards occurring to other people or their property.
Preparaon
1) While working, always wear substanal footwear and long trousers. Do not operate the equipment when barefoot or wearing open sandals;
2) Thoroughly inspect the area where the equipment is to be used and remove all objects which can be thrown up by the machine;
3) WARNING: Petrol is highly ammable!
- Store fuel in containers specically designed for this purpose;
- Refuel outdoors only and do not smoke while refuelling;
- Add fuel before starng the engine. Never remove the cap of the fuel tank or add petrol while the engine is running or when the engine is hot;
- If petrol is spilled, do not aempt to start the engine but move the machine away from the area of spillage and avoid creang any source of ignion unl
petrol vapours have dissipated;
- Replace all fuel tank and container caps securely;
4) Replace faulty silencers;
5) Before using, always visually inspect to see that the tools are not worn or damaged. Replace worn or damaged elements and bolts in sets to preserve
balance.
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Descripon of main parts (Picture A - Page 2)
Operaon
1) Do not operate the engine in a conned space where dangerous carbon monoxide fumes can collect;
2) Work only in daylight or in good arcial light;
3) Always be sure of your foong on slopes;
4) Walk, never run with the machine;
5) For wheeled rotary machines, work across the slopes, never up and down;
6) Exercise extreme cauon when changing direcon on slopes;
7) Do not work on excessively steep slopes;
8) Use extreme cauon when reversing or pulling the machine towards you;
9) Do not change the engine governor sengs or over-speed the engine;
10) Start the engine carefully according to manufacturer instrucons and with feet well away from the tool(s);
11) Do not put hands or feet near or under rotang parts;
12) Never pick up or carry a machine while the engine is running;
13) Stop the engine:
- Whenever you leave the machine;
- Before refuelling;
14) Reduce the throle seng during engine shut down and, if the engine is provided with a shut-o valve,turn the fuel o at the conclusion of working;
Maintenance and storage
1) Keep all nuts, bolts and screws ght to ensure the equipment is in safe working condion;
2) Never store the equipment with petrol in the tank inside a building where fumes can reach an poor ame or spark;
3) Allow the engine to cool before storing in any enclosure;
4) To reduce the re hazard,keep the engine,silencer,baery compartment (not included with all models) and petrol storage area free of vegetave material
and excessive grease;
5) Replace worn or damaged parts for safety;
6) If the fuel tank has to be drained,this shall be done outdoors.
1. Handlebar
2. Reverse Handle
3. Choke Switch
4. Handrail Support Assembly
5. Tire Assembly
6. Spring Pin
7. Protecve Cover
8. Fender Guard
9. Cuer Assembly
Technical data
10. Drive Seat
11. Starter Handle
12. Fuel Tank
13. Oil/Air Filter
14. Belt Pulley Cover
15. Handle Support Seat Assembly
16. Throle Governor
17. Clutch Handle
Displacement: 196cc
Torque: 13Nm
Max. Power 6.5HP/4000rpm
Starng System: Recoil
Type of Clutch: Belt
Driving Speeds: FW 1.88-3.88km/h, BW 1.6km/h
Gears : Forward / Neutral / Backward
Fuel Volume: 3.6Lt
Fuel Type: Unleaded Gasoline (95 octane or higher)
Oil Volume: 0.6Lt
Width of Cung: 100cm
Adjusted Height: 1-8cm
Aenon! For safety
reasons, the machine
may be delivered with-
out engine oil. Please
add the appropriate
quanty of the rec-
ommended type of oil
before operaon.
If the engine of the
machine is delivered
topped up with oil
please replace it with
the appropriate quanty
and recommended type
of oil before operaon.
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Operang instrucons
Periodical Inspecon
1. Eliminate the abnormal condions occurring in previous use;
2. Check the fuel for suciency;
3. Inspect the engine oil for dirty degree;
4. Check the lubricant for other transmission mechanism of the gearbox;
5. Inspect the air cleaner for lubricaon and oil stain;
6. Check the re for air pressure and wear;
7. Check all sliding parts for lubricaon and oil stain;
8. Inspect all parts for their dirty degree;
9. Check all parts for damage as well as loose bolts and nuts;
Note: For the methods for inspecng engine parts,please refer to: Engine Instrucons.
Running-in
Cauon: The newly purchased machine shall be subject to running-in process;
Therefore,during the rst 20 hours in use,don’t run engine to avoid overload running.
Fuel and lubricant lling
The newly purchased machine,before using and starng,must be inspected whether there are fuel and engine oil respecvely in the engine fuel tank and
engine oil tank.
1. Fuel Filling:
Fill specied 95# gasoline into the fuel tank.
2. Lubricant Filling:
a) For engine oil inspecon and lling, please refer to (Engine Instrucons).
b) Gearboxplease refer to (Engine Instrucons).
c) Cuer drive seat (lubricant)
d) Cung blade (lubricant)
Descripon of main use
1. Forward
Press the clutch handle and make the belt ghten to go forward:
A) Clutch Handle (forward)
B) Throle Governor
C) Reverse Handle
D) Choke Switch
2. Reverse
Pull back the reverse handle,make the reverse belt ghten and the driven gear reverse, and then release the handle upon reaching the desnaon.
3. Speed Changing
Running speed and cuer reciprocang speed can be adjusted through the throle switch.
4. Steering
Move the operaon handle to control the le-right running direcon.
5. Stop
A. Release the clutch handle and the machine stops working.
B. Adjust the throle switch to minimum opening.
C. Turn o the circuit switch and the engine stops running.
B
C
A
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6. Walking
Once the engine stops running, to make the machine walk, please take out the spring pin from re pin hole and manually push it to walk.
Tire self-walking
H) Spring pin
Driven by the re driving sha
Methods for Adjusng Components
1. Adjusng clutch cable
In the case of belt slip while the machine going forward or backward, simply adjust up the adjusng nut.
If the machine can not stop aer releasing the clutch handle, simply adjust down the adjusng nut.
2. Adjusng throle switch cable
In the case of failure to adjust the throle switch cable in operaon, simply adjust the cable ghtness as follows; when the throle switch handle is at
Minimum posion, the engine can stop or change into idle speed; on the contrary,when the handle is at maximum posion, the engine throle is with largest
opening.
3. Adjusng the height of operaon handlebar
Before operang the machine,adjust the height of the operaon handle according to the operaon’s height as follows; loosen the locking bolt, move the
handle up or down to proper posion, and nally ghten the locking bolt.
J) Adjusng bolt
K) Locking bolt
4. Adjusng the height of cuer fender board
While operang the machine, the height of fender board can adjusted according to the ground condi-
on and cung height.
Cuer Operaon
Installing cuer assembly
Take out cuer assembly, aach it to the cuer connecng plate and ghten with bolts, and then adjust the fender board to proper height, and nally ll
with the appropriate lubricant into the drive seat and onto the cung blade.
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Fuel tank cap
Air cleaner
Fuel tank
Engine
switch
Dipsck
Drain plug
Oil plug
Drain plug
Spark plug
Muer
Starng
rope handle
Kick-starter
Drain plug
Muer
Air cleaner
Throle lever
Engine switch
(Electric
start type)
Kick-starter
Starng rope
handle
Fuel cock
Choke lever
Spark plug
Fuel ller cap
Fuel tank
Starng motor
(Electric start
type)
Dipsck
Drain plug Serial number
& engine type
Exhaust
pipe
Exhausng-pipe
ENGINE INSTRUCTIONS MANUAL
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Safety Precauons
Battery Connection (*Only for models equipped with an electric starter)
In the case that the specicaons of the baery are 12V and more than 18A.h, connect its
posive lead to the electromagnec coil while connect its negave lead to engine mount strew,
base screw or any place capable of grounding with the engine well. Make sure the baery leads
are connected ghtly and no corrosion is found. If any, eliminate it.
WARNING:
The baery may give o explosive gas, keep sparks, ames and cigarees away. Charge or use it
in an area with good venlaon. The baery contains sulphonic acid (electrolyte). Contact with
skin or eyes may cause severe burns. Wear protecve clothing and a face shield. If electrolyte
gets in your skin, rinse with water; if gets in your eyes, rinse with water at least IS minutes and
call a Physician at once. Electrolyte is poisonous. If swallowed, drink large quanes of water or
milk, and follow with milk of magnesia or vegetable oil and call a physician. Keep out of reach
of children.
CAUTION : Do not add tap water to the baery instdead ot dislled water, or the baery life
will be shortened.
Do not add dislled water over electrolyte upper level mark, or electrolyte will spill out to cor-
rupt the engine parts. If so, be sure to wash them away with water.
Make sure not to connect the baery leads in reverse order, or short-circuit or breaker's cung
may result.
Before use, add some clean oil into oil tank.
Air cleaner, oil bath type
WARNING: Before operang the engine, be sure to read and get familiar with the manual instrucons carefully, otherwise we will not be responsibile for per-
sonal injury or equipment damage. Please pay special aenon to the following :
1. Running the engine in a well-venlated place, keep it at least one meter away from building walls or other equipments, keep away from inammables
such as gasoline, matches and so on to avoid possibility of re.
2. Keep the engine out of reach of children and pets to avoid accidents.
3. The operator of the engine must be be specially trained.
4. Refuel in a well-venlated area with the engine stopped. In the refueling places or where gasoline is stored, no smoking and any ames or sparks.
5. Don't ll the tank during the refuelling process in order to avoid any fuel spilling out. If there is spilled fuel around, be sure to clean it thoroughly before
starng.
6. Locate the engine on a level-working plaorm to avoid fuel 's spilling out.
7. Make sure the fuel ller cap is ghtened securely.
8. The exhaust muer is very hot during running the engine even aer the engine stops. Never touch it as you might get burned. Transport or store the
engine with it cooling down enrely.
maximum
minimum
The amount is shown as follows:
Positive lead (+)
Negative lead (-)
Start relay
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Inspecon before operaon
ENGINE OIL
CAUTION :
-Engine oil is a key factor in deciding the engine's Performace.Do not apply en-
gine oil with addives or 2-stroke gasoline engine oil, as they haven 't enough
lubricaon, which may shorten the engine's service life.
-Check the engine with it stopped on a level ground.
Check
1. Ensure that the engine is stopped on a level ground.
2. Remove the dipsck and clean it.
3. Reinsert the dipsck into the oil ller without screwing it, and check oil level.
4. If the oil level is too low , add the recommended engine oil up to
the oil ller neck.
5. Reinstall the dipsck.
CAUTION: Run with insucent engine oil may damage the engine
severely.
OIL IN THE REDUCTION GEAR BOX( only for the model equipped with it)
1/2 Reducon gear with an auto-centrifugal clutch.
Brand of the box oil is the same as that of engine oil.
Oil capacity: 0.6 liters
Check the oil lever in the following order.
1.Remove the dipsck and clean it.
2. Reinsert the dipsck without screwing it in , and then check oil level.
3. If the oil level is too low, add the recommended engine oil unl it arrives the upper level
mark .
4. Reinstall the dipsck.
Inspecon before operaon
ENGINE OIL
CAUTION :
-Engine oil is a key factor in deciding the engine's Performace.Do not apply en-
gine oil with addives or 2-stroke gasoline engine oil, as they haven 't enough
lubricaon, which may shorten the engine's service life.
-Check the engine with it stopped on a level ground.
Recommended engine oil: SAE 20W-50
Check
1. Ensure that the engine is stopped on a level ground.
2. Remove the dipsck and clean it.
3. Reinsert the dipsck into the oil ller without screwing it, and check oil level.
4. If the oil level is too low , add the recommended engine oil up to
the oil ller neck.
5. Reinstall the dipsck.
upper level mark
Dipsck
Upper level mark
Dipsck
Environmental Temperature
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Air Cleaner
AIR CLEANER
I. Double-core type
Dismantle the air cleaner housing and check ité lter element, make sure it is clean and
intact, otherwise clean or replace it .
II.Single-core type
The air cleaner housing and check its lter ele-ment, make sure it is clean and intact, oth-
erwise clean or replace.
III. Dust-collecng type
I. Dismantle the dust-collecng hood and check the lter element of the air cleaner; make
sure it is clean and intact ,otherwise clean or replace.
2. Check whether there is any dust or dirt inside the dust-collecng hood, if any, clear away.
IV. Oil bath-type
1. Dismantle the air cleaner housing and check its core, make sure it is clean and intact,
otherwise clean or replace.
2. Check oil level and oil quality. If the oil level is too low ,add the recommended engine oil
up to oil level mark.
CAUTION:
Never run the engine without an air cleaner, or severe wear of the engine may occur.
Filter element
Dust-collecng hood
Air cleaner cover
Foam
Steel coon
Oil level mark
Air cleaner housing
Filter element
Air cleaner housing
Filter element
(Only for
non-sound type)
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Fuel and fuel tank
Fuel
The engine must apply unleaded gasoline with an octane number over 95. Using
unlead-ed gasoline will decrease the possibility of producing carboll deposit and will
prolong the engine 's service life. Never apply used or polluted gasoline or a mixture of
gasoline with engine oil. Make sure the fuel is free of dirt and water.
CAUTION: Handle fuel with care because it changew plasc and painted surface. It is nor-
mal when you hear occasionally lightyspark knock or pinking with the engine running under
heavy load.
If "spark knock" or "pinking" occurs at a steady speed under normal load, change brand
of gasoline; it Such phenomena sll happens, consult your dealer for help, otherwise the
engine may be damaged.
Fuel Tank
Fuel tank capacity: 3.6Lt.
Check
1. Remove the fuel filler cap and check fuel level.
2. If the fuel level is too low, refuel the tank. Remember adding fuel not over the fuel
filler shoulder.
WARNING:
Gasoline is extremely ammable and explosive under certain condions. Refueling in a well-venlaon area with the engine stopped. Do not smoke and allow
ames or sparks in the area where gasoline is stored or where the fuel tank is refueled. DO not overll the tank (there should be no fuel in the ller neck).
Aer refueling, make sure the feel ller cap is seng back securely. Be careful not to spill fuel when refueling. Spilled fuel or fuel vapor may ignite. If any fuel
is spilled, make sure the area is dry before starng the engine. Avoid repeated or prolonged contact with skin or breathing of fuel vapor. Keep out of reach of
children.
Starng the engine
1. Push the fuel cock to "ON".
2. Push the choke lever to "CLOSE".
NOTE: if the engine is hot, closing the choke is unnecessary.
Engine switch
Fuel cock
Choke lever
OFF
CLOSE
ON
Fuel upper level
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3. Move le the throle lever a lile.
4. Start the engine as follows:
a. Hand-operated kick-starter. Push the engine switch to "ON". Pull slightly the starng rope handle up unl feeling an-acon , and then make a rapid pull.
CAUTION
Releasing tbe handle suddenly may make it hing the engine. Release the handle slowly conforming with its recoiling
force.
b) Electric starter
Push the engine switch to "START" and remain there unl the engine starts. Once the engine starts. reset the engine
switch to "ON".
CAUTION
Use the engine switch not more than 5 minutes each me to avoid damage of the engine. Try once more 10 minutes
later aer last aempt failures.
Running the engine
1. Preheat the engine and push back the choke lever to "OPEN".
2. Set the throle lever in proper posion to ensure the engine runs at required velocity.
Running the engineRunning the engine
Choke lever
ON
Throle lever
Low speedHigh speed
OPEN
Engine switch
(Electric start type)
Starng rope handle
(Electric start type)
ON
Engine switch
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Engine oil alarm (*Not available on all models)
The engine oil alarm is designed to funcon when the engine oil in the
crankcase is insucient. Lack of engine oil may damage the engine. Once
oil level in the crankcase is too low, the engine oil alarm will stall the engine
automacally to make it free of damage while the engine switch is sll at
"ON".
CAUTION:
If cannot restart the engine, check the engine oil level rst before go to
other check items. BREAKER (Electric-start type).
The breaker will cut o automacally to protect the charging circuit of the
baery in the case that short circuit or incorrect connecon of the baery
poles occurs. The green indicator in the breaker will jump out with the
circuit cung o. Aer nding troubles and troubleshoong, depress the
breaker buon to tun the breaker on.
Operang on mountainous areas
On mountainous areas, the standard mixture rao is relavely too big so the engine performance may be impaired while the fuel consumpon may increase,
besides, too big mixture ratio will pollute the spark plug to result in starting the engine difficultly. This' problern can be solved by amending the
carburetor technological status. If always using on highlands with a height above sea level of 1000 meters, ask your dealer for doing the job. However, the
engine power will decrease by about 3.5% with every 305 meters up in height.
CAUTION : Amended engine applicable to highlands may be damaged seriously in area below altitude of 1000 meters for overheating, because its
mixture ratio is too small tor operation in low altitude area. In the case, ask your dealer to recover the engine to its normal technical status.
STOP
In emergency, push the engine switch to "OFF" to stall the engine; to stop it in normal, do
as follows:
1. Push right the throle lever to the boom.
2. Push the engine switch to "OFF".
3. Set the fuel cock to "OFF".
CAUTION: Sudden stopping at high speed under heavy load is forbidden, otherwise damage will result.
Exhaust control system
With the engine running, carbon monoxibe, oxide of nitrogen and hydrocarbon will produce, and in certain condions, oxide of nitrogen and hydrocarbon will
react chemically each other to make smoke while carbon monoxide is toxic, so exhaust control of them is very important. The company decreases the exhaust
emissions by introducing poor-fuel carburetors and other devices into the engine to solve the problem. To keep the exhaust of your engine with in the standard
exhaust emission, pay aenon to the following :
1. Maintenance
maintain the engine periodically in accordance with the maintenance schedule in the manual. The aintenance schedule is made out on the base of normal use
in normal condions, if using under heavy load, dusty or wet circumstances or in high temperature, service of -the engine should be done more oen.
2. Replacement of Parts
We recommend that you should choose such parts which are manufactured by the company or equivalent to these in quality as replacement ones.
Replacement without so high quality as the original as the exhaust control system in effectiveness.
3.Modifying
Modifying the exhaust control system may make actual exhaust emissions exceeding statutory limit values. Illegal modicaons as such:
a) Dismantle or modify any part of air intake or exhaust system.
b) Modify or take o speed - adjusng connecon device or speed adjustment device to result in the engine's running beyond the set parameters.
Exhaust control system
Fuel cock
OFF
Engine switch Throle valve
lever
Low speed
Throle lever
Dipsck
Upper level mark
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4. Problems aecng exhausng emissions
a. Dicult starng or dicult stopping.
b. Unstable idling.
c. Give o black smoke or too much fuel consumpon.
d.Poor ignion sparks or sparks returned.
Once you nd any of the above problems, contact your dealer for help.
Maintenance
Each me First month
or 20hrs
Each seasons
or 50hrs
Every 6 months
or 100 hrs
Each year
or 300 hrs
Engine Oil Oil Level Check ✓
Replace ✓✓
Reducon gear oil Oil level check ✓
Replace ✓ ✓
Air cleaner Check ✓
Clean ✓1 ✓1✳
Replace ✓✳✳
Deposit Cup Clean ✓
Spark plug Clean, adjust ✓
Replace ✓
Spark eliminator Clean ✓
Idling Check-adjust ✓2
Valve clearance Check-adjust ✓2
Fuel tank & fuel lter Clean ✓2
Fuel supply line Check Every two years (do a replacement if necessary)
Maintenance Schedule
Item Frequency
Cauon:
Use only parts from the company or equivalents in quality; otherwise engine damage may result.
Note:
✳: only for inside-ventilating double-core carburetors.
✳✳: only for paper core air cleaners. Every two years or 600 hours later for dust collecting air cleaners.
1: More often than that in the schedule if in dusty circumstances.
2: Should be done by your dealer unless you are specially trained and well equipped with tools.
WARNING:
Stall the engine before service. If service is required with the engine running, be sure to keep good ventilation in the area. The exhaust emissions from the
engine contain toxic carbon monoxide, inbreathing of it may result in injury and even death.
Replacement of engine oil
(Engine oil)
Dipsck
Drain plug
Oil level
Oil ller cap
(Engine oil in the reducon gear box)
Drain
plug
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CAUTION:
Air guide
A sll hot engine is helpful to drain out the engine oil in the crankcase rapidly and enrely.
1. Turn o the oil ller cap an drain plug to drain engine oil thoroughly. Reinstall the drain plug and screw in securely.
2. Fill the specied engine oil up to the upper level mark.
3. Reinstall the oil ller cap.
NOTE:
Do not dump oil containers or discarded engine oil into rubbish boxes or onto the ground. For the sake of environ-
mental protecon, we suggest you take in discarded engine oil with a closed container and bring to local recycling
staon.
SERVICE OF AIR CLEANER
A dirty air cleaner may block enough air's owing into the carburetor. To keep the the carburetor in good working
condions, please service the air
cleaner periodically. If operang the engine inextremely dusty area, the job should be done more oen.
WARNING:
Never clean the air cleaner core in gasoline or low ash-point detergents, or explosion may happen.
CAUTION:
Never run the engine without an air cleaner, or air with dirt and dust may enter the engine and speed the engine'
s wear.
Unscrew the wing nut, dignantle the air cleaner housing.Check if the two cores are damaged, if so, replace it
ith a new one.
a) Foam lter element: clean with home detergents and arm water(or non-ammable or high ash-point cleans-
ing solvents) and dry up, then soak in clean engine oil unl saturated. Squeeze out excess oil, otherwise, the en-
ine will discharge smoke in starng stage.
b) Paper lter elanent: knock the core against a solid plane to get rid of accumulated dust or blow out dust from
inside to outside with high-pressure air ow (not more than 30 psi) . Never clean with a brush, as brushing may
orce the dust into the core ber. If the core is extremely lthy , replace it with a new one.
Dust-collecng type
1. Unscrew the wing nut, dismantle the air cleaner housing, check if the two cores are damaged, if so, replace it
with a new one.
a) Foam lter element: clean with some detergents and warm water or non- ammable or high ash-point cleansing solvents) and dry up, then soak in clean
engine oil unl saturated. Squeeze out excess oil, otherwise, the engine will discharge smoke in starng stage.
b) Paper lter element : knock the core against a solid plane to got rid of accumulated dust or blow out dust from inside to outside with high-pressure air ow
(not more than 30 psi) w.Never clean with a brush, as brushing may force the dust into the core ber. If the core is extremely lthy, replace it with a new one.
2. Clean the dust-collecng hood: screw o the three special semi-round screws and remove the hood,wash parts with water and then dry up. Reinstall the
hood.
CAUTION :
- When reinstalling the dust collecng core air cleaner, make sure to embed the n on the pre-air cleaner hood in the dent in the dust — collecng hood.
- Install the air guide in correct order.
Single-core type
1. Remove the wing nut and air cleaner housing. and take out the lter element.
2. Clean with home detergents (or high ash-point cleansing solvents) and warm water, and dry up.
3. Soak in clean engine oil unl saturated; squeeze excess oil, or the engine will exhaust smoke in starng stage.
tarng stage.
4. Reinstall the lter element and air cleaner housing.
Air guide
Dust collecng hood
Dent
Paper lter element
Foam lter element
Air cleaner housing
Pre-air
cleaner hood
Special
semi-round
screw
Air
cleaner
housing
Paper
lter
element
Foam lter
element
Only for
non-sound
type
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OIl bath type
1. Remove the nut and air cleaner housing, and take out the lter element.
2. Clean with home detergents (or high ash-point cleansing solvents) and warm water, and dry up.
3. Soak in clean engine oil unl saturated. Squeeze excess oil, or the engine will discharge smoke in
starng stage.
4. Empty the air cleaner housing of oil. Clear away the dust inside with non-ammable or high ash-
point cleansing solvents, and dry it up.
5. Fill the air cleaner housing with the specied engine oil up to the standard oil level mark.
6. Reinstail the air cleaner.
WASHING OF DEPOSIT CUP
Set the fuel cock at "OFF", disconnect the deposit cup and O-ring. Wash in non-ammable or high
ash-point cleansing solvents, and then try thern up, at last, reinstall it . Set the fuel cock to "ON" and
check for leaks.
WARNING
- Gasoline is extremely ammable and explosive in certain condions. Keep cigaree, sparks and open ames away.
- Aer reinstalling the deposit cup, make sure the area around the engine is dry enough.
SPARK PLUG
Spark plug type: BPR6ES(NGK) or NHSp LD F6RTC
Proper spark plug clearance ensure the engine's normal running under no deposit around the spark plug.
Warning: Be careful not to touch the muer during or just aer running the engine.
O-ring
Deposit cup
Foam
Air cleaner housing
Foam
Standard oil
level mark
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1. Remove the spark plug cap.
2. Clear away dirt around the spark plug base.
3. DismantIe the spark plug with a spark plug wrench.
4. Clean with a steel brush. If the insulator is damaged, replace the spark plug instead.
5. Measure the spark plug clearance with a feeler. The clearance should be 0,7 ~ 0,8 mm. If adjustment is necessary,
bend the side electrode carefully.
6. Check if the spark plug gasket is in good condions, or replace with a new one. Screw on the spark plug to the boom
rst by hand and then screw in by a spark plug wrench. if a new spark plug is used, twist 1/2 more turns aer impacng
the gasket, if reinstall the original one, just twist 1/8 - 1/4 more turns.
CAUTION :
- Spark plug wrench
- The spark plug must be ghtened securely, or it may become very hot to damage the engine.
'Only use recommended spark plug or the equivalent. Incorrect heat range of the spark plug may damage the en-
gine.
CARBURETOR IDLING ADJUSTMENT
1. Start and preheat the engine unl arriving at the normal working tempera-
ture.
2. Obtain standard idling by adjusng the throle xing screw under the en-
gine's idling. Standard idling: 1700± 150rpm
TRANSPORT, STORAGE AND REMOVAL FROM STORAGE
✓ Transport
Transport with the fuel cock turned o. Transport or store the engine when it is cool so as to avoid geng burns or re.
CAUTION:
Do not incline the engine so as to avoid fuel's spill. Spilled fuel or fuel vapor may ignite to cause re.
✓ Storage
If the engine is not kept in use for a long me, be sure to store it properly. Make sure the storage area is dry and free of dust.
Drain plug Deposit cup
Align the arrow of the
starng sleeve with
the hole in the starter.
Throle xing screw
0,7 - 0,8 mm
Spark plug wrench
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Removal from Storage
Before reusing, service the engine in accordance with the instrucon of the table.
Storage Time Service Item
Within one month None
One - two months Drain out original fuel of the fuel tank and refuel
Two month - one year
Drain out original fuel of the fuel tank and refuel
Drain out fuel in the carburetor 1
Empty the deposit cup 2
Above one year
Drain out original fuel of the fuel tank and refuel
Empty the fuel cup in the carburetor 1
Empty the deposit cup 2
(1)Screw o the drain plug and drain out fuel in the carburetor.
(2)Turn o the engine switch rst,disconnect the deposit cup and empty it. Note: for the sake of environmental protecon, we recomment to ll the discard-
ed fuel into a closed container and bring to local recyling staon. Never pour freely -
WARNING:
Fuel is extremely ammable and explosive under certain condions. Keep cigaree, open ames and sparks away from operang site.
Problem Cause Remedy
1. Not normal cylinder compression
2. Not normal spark plug spark
3. Fuel system funconality
4. Fuel supply not smooth or no fuel smooth
Not enough fuel in fuel tank
Air vent in the fuel ller cap is clogged
Fuel cock is clogged
Improper or clogged main oil ow hole
Need valve is not closed properly or start hole
clogged
Float is damaged or scking
Fill fuel, open fuel cock
Dredge air vent
Clean rst and then dredge
Readjust or clean, blow to get through
Dismantle needle valve and repair, clean, blow
to get through
Repair oat
1. Not normal cylinder compression
2. Not normal spark plug spark
3. Fuel system funconality
4. Fuel supply not smooth or no smooth fuel
Fuel is too lthy or deteriorated
There is water in fuel
Too much fuel in engine
Wrong fuel brand
Replace
Replace
Drain extra fuel, dry up spark plug electrodes
Select proper fuel brand corresponding with
the requirements.
1. Not normal cylinder compression
2. Not normal fuel supply
3. Normal high - pressure coil spark
4. Spark plug is in bad condions
Too much carbon deposit and dirt around elec-
trodes
Electrodes or insulators are seriously damaged
Improper electrodes gap
Clear dirt or any deposits
Replace spark plug
Adjust to proper value
1. Not Normal cylinder compression
2. Not normal fuel supply
3. No high pressure coil spark
4. Not normal spark plug funcon
High pressure coil is damaged
Ignion coil is damaged
Magneto loses magnesm
Replace
Replace
Replace
1. Poor cylinder compression
2. Not normal fuel supply
3. Not normal ignion
Piston ring is worn or over wear limit
Piston ring is broken
Piston ring is scking
Spark plug not installed, ghtened / without gasket
Air leakage between cylinder block & cylinder head
Replace
Replace
Clear up carbon fouling
Tighten with a gasket in
Check cylinder gasket and the atness of the
surface by which cylinder block contacng
with cylinder head, ghten cylinder head bolts
in spulated order to spulated torque.
I. Diculty starng with the engine
Troubleshoong
1. By using kick-starter
WARNING:
- When tesng the spark plug never hold the high voltage wire of the spark plug with wet hands.
- Make sure there is not spilled fuel outside the engine and that the spark plug isn't dipped with fuel.
- To prevent re, keep sparks far away from the spark plug mount hole.
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