Kyosho USA-1 Nitro Crusher User manual

RADIO CONTROLLED .21ENGINE POWERED OFF-ROAD RECREATION VEHICLE
CAR CRUSHER
e REALISTIC SCALE MODEL OF EVERETT W.JASMER'S ·usA -I" MONSTER TRUCK,
THE MOST POWERFUL IN THE WORLD.
e SCALE CAR-CRUSHER PERFORMANCE WITH REAL ENGINE POWER AND SOUND.
e HUGE 6.5 INCH (165mm) TIRES CLIMB OVER HIGH OBSTACLES AND COPE WITH
ROUGH TRACKS.
HIGH ~ GRIP TREAD PATTERN FOR TOP TRACTION.
e LING- TRAVEL ALL-INDEPENDENT SUSPENSION WITIT DOUBLE WISHBONES
AND DUAL SHOCKS TO SOAK UP THE BUMPS AND KEEP CONTROL.
e MANY REALISTIC CHROME, NO "A" - FINISH PARTS AND DECORATIVE
SELF -ADHESIVE LOGO DECALS FOR SCALE APPEARANCE.
e TWO - CIIANNEL W/ TWO SERVOS, 21 SIZE E~GINE, RADIO CONTROL SET
(N OT INCLUDED)
~ KIT N0 . 3241 ~
· ----------------------~----------~----

mI NSTALLAT ION OF BRAKE & COUNTER GEAR
STA GE l <Applying of Drake Lining > STAGE 2 <As5embly of Counter
Cear >
• ~ llrakc Lining
STA GE 3
l> Cenl<r OiH. 1
Housing (A) 1
\
"fSXtOCollar
• lit Counter Cear Shaft
trERing (£•4)
o 5 X 12 IVIISh•er
~ Coun lcr Gear
• Counter Gear Mount
MS Flange
Nut
view on
page 19 . Center Oiff.
( a...,mbly )
~ ~ Br ake Stc>ppcr
<?J · ft. · Dr ake Carnr--~r;v:
M 3 X 3 Set Scr•riw-4'
.Of sx 10 Bearing
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" Center Diff. Housing (B) •
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""-... : ...........
~==.t,., I' : ........................
I : .............
'-1..--" <.;;>, :..~
b~
~&- r- M 4 X8
,o. Bind Screw
\':l'l
"' I "'~
J. OJ 4o " • Th< long 3 holes ar< to
• I : lnstall the counter gen.
. d. l
.
.
~:
~
,. Finished to assemble. loosen this 4 holes
temporarily. And tighten till the center
diH. rotates lightly,
iin ADJUSTMENT OF COUNTER GEAR Counter em
By 1 ...
I
•
- 9 -
Adjust the backlash botween the
spur gear and lhc counter gear.
By 2 . ..
Adjust th e backlash botween the
clutch bell and the counter gear.
( After
ILl (installotion of engine).)
adjust at 2 .
Clutch Bell
1\ITRO-CRt:SHE .R
l

ill ASSEMBLY OF STE E RI NG PORTION
These parts arc in lh< bog (t:S-2. 4. 7)
STAGEI
( t\sscmblr or Tic Rod
STAGE2
Assemble 2 Sets (or
l ch and l'lght.
~l0 6. a &II (silver)
)
~
Screwir;; ~ ~
~~ ·•• u &II End
ceo-
Bend as sho wn.
<ll<nding Side llod
@
-
Screw in .
(fl INS TALLATION OF RADIO SYSTEM
u Servo Sa ,.cr Uorn ( t\)
STAGE3 M
3XIS
~Bind Sere•<
11 E Ri ng (t:-
{\i!l-- n t 6 Alumi.
Collar
Tie Rod
@
M4 x 8 Rind Screw
Th ese parts are in lho ba g (US- 2. 4. 8. 9) .
• Use th e high - to rqu e type to th e steer ing s ervo , STAGE2
• When the car runs on the
so il ed ro ad . II Is bcu cr 10
put th e rad io co ver to the
rec eiv er.
Remove the post
..._ _ _ carcfull)'.
NO. 3241 USA·I 1-: I TilO -C il t.:SIIIm
If don' t Cilto the: ho l es
• Fast en the r ccch·cr and the
recch·cr bauer) ' to the radio
plate wilh the strap.
i--- ?f ; Antenna Pipe
Pl ug in theconnect ors .
Insert
14 St rap (L)
Receiver
receiver sw ilcll'-..
connector and
the SCt\'O conncc.tor
lhrough lhcsc boles. wll< <>r•cfuii....C/
- 1 0-
10 consume lhc batllcr·): _-
When the steering
scn ·o becomes sfo,,·.
chanJ,:c the steering
~r\'O \\ hh new one.

II] INSTALLATION OF REAR ASSEMBLY
~ , These parts are in the bag (US-2. 4. 7. 9) . <Installation of
Rea r Shock )
M4 Flan e Nut
() fuel Tank Pivot I
M3XtO TP BindScrew I . :
--~~· .
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I
4-
: ...
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E:P
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I N I
~ b& ! ~
M4 X 1ST • Bind Screw~
Ball End
iE INSTALLATION OF FRONT ASSEMBLY
Th ese parts are In
the bag (US-2. 4. 7) •
M3x12 HI Screw - -Gall
*Install the l eft 0 ~~~~;/;;,_.~s_, ~SJ~!r-
sidc in the
s11me way.
• Rear Shock-
M4x10 Bind Screw
.....
u To rq ue Rod Pi vot)
.,.,,.,. 0 Adjust the torque rod to fit on
..,....,..... the to rque rod pivot by turnin&
the ball end.
M4 X 15
.
. ... .. .
.
. ~- · ~ ..
• • • • 0 •
** Bumper **
* Jn case you purshase
the bumper to
rep lacement. need to
shorten the bumper
as be low. *
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.,
··. .. .. .
--
..... .-:-. .
•• .• •'!'
.-:.
1
1
~·- :::::::=-- M4 X20
b- .; > TP FH Screw
110 mm
- 1 1-
NO. 32., USA· I . 1\ITilO-CilUSi iE il

m INSTALLATION OF CLUTCH
li!J These pan s ar e in the b ag
(VS -2. 8. 9)
M3X2SCa pScrcw -~
Ff--;;;;:::;:::7" M 3 XIO Cap Screw
{N'ote) rr you r transmi tter docs not
h a\'e se r vo reve - rs ing. install the carb
in the opposite dire ct ion.
This il lu s tr ation shows how the earb
is installed with a ra d io that has
$Cr vo reversing.
'/J-- -7~ Ai r Cleaner
• Mo unt the carb at an a n~le
asshown, make sure
not ru b on an) • thing.
(For ENY A Eng in e) 'Itt En gine 1\ , 'l Ou ln <:- -1- -H
2
2 Ridges
'-
1 nsert the hex
wrench. ti gh ten
ft'>-.. the shaft
'" Strap (M)
~ - t~ Citotch l {o iJa r
P ' "'~,h BearingCase
(13T)
Washer
Short Di stan ce
( F'or OS En gine) One Ridge C
lut ch Shoe
il!1 INSTALLATION OF ENGINE 1D
& ENGINE CONTROL SERVO
These part s arc in lhe b ag (US- 2. 4. 8. 9) .
Remove the air cleaner · from t he
carb, be s unk into t he fu el.
Because avo id the sa nd and
little dushcs.
"" Tube
M4 XIO Fla ng e
"' Tank Seal
M3X I!; --IJ
TP
Bind Scrcc\\t
Set thealuminum
pipe to the bottom
or t he Cuc l tan k. '(
First, install the rubbe r bush
tO the fuel tJnk. insert the a lum i. pipe,
N0 .3241 USA·1 1\ ITRO-CilUSI-IER
-12-
.. Strap (i\1)
)
l~outc the servo
t hr ough the servo
mount.
H XIS Washer
• I( using a la rge servo.
place the servo spacer(.W)
In between t he set \'O
and servo mount.
~ I
1 1
~*" Servo Spacer
i-i

[fj INSTALLATION OF RADIO PLATE
Th<Se ports are in the bag ( t,;S -2. 7, S. 9)
flcnd th e steering rod
reUeting the height
of the servo,
lle carefu l....
esc the screw provided
with )'OUr radio set. - -~
Servo Ilorn
~Steering Rod
C) (Lar ge and long )
1'his is not the brake rod. M
3X3
Those port .s ore in the bag (US-2) •
M• x1s Oind Screw
Plate Joint
• Illustration
or earb ~nd brake lin kage
ii3 ENGINE CONTROL
LINKAGE
lllus trat io n of carb and brake
linkage for radio with servo
f or radio \\ 'ith servo rev~
Arrange the linka. ge In
such a way that. when
che engine run s slo wl y.
M3X3 Se t Screw I
(h 2 to pper I
Cut off excess length.
I
1.-- IJ'"' the screw pr ov1dtd
..J.---... with yo ur radio stl
• for smoothly to opera te the linkag e.
bend tho cn~rino control rod (lib ) •
-13-
Q Slo" the brake l ever pushes
High
in the direction or the
allow and activate the
brake slightly: and when
you rev up theengine. the
brake should be disengaged
High • ..
• Illustr at i on ol carb and
brake linkage lor radio
with normal servo.
Arrange the linkage in
such a way that whtm
'f.i§~LSio":t;h~e eng ine runs slowly.
1 brake le•· er pushes
in a he direction of I he
allow and acaivaae the
brakoslightly: and
when you rev up 1 he
engine. the brake should
be disengaged.
NO. 32 AI USA•I ii: JTK O-C l lUS IIER
I

mJ CEMENTING TIRE & WHEEL
• · Tire
•
• Ik careful about
the dir«tion or
wheel iind tire.
* RI CIIT *
Make 2 pieces.
8 Wheel
-
-short
* I.E:FT *
Make 2 pieces-.
1 I'LA TE OF WHEEL )
--long
• Paint surface can be dama~tcd by fuel. coating with fuel-resi$tant
material is recommended•
• As the plate portion to apply hard to put a instant glut": .filr it by
a sandpaper.
{Wash the apply i ng POrtion or tire to remove any oil and rinse
thoroughly with clean water.)
--
Fit the t ire
into the
groove.
. . ..... . ................................................... 4 •••••• 0 ................... 0 ••••••••••
STA GE 2
While pushing the tire out
away r rom th ·c rim put a
d rop of instant glue in
thegroove of the rim in
the l ocation and order
shown below.
)
)
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P1D INSTALLA TIO N OF TIRE 1"ne •• ,.rts areln the bag <us-2. 9) • * Install
the left side
same as the right .
* RIC11T * 1i Wheel Stopper
( Front )
8 f 8X16
t\luminun\
\\'oshcr
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Be careful abo .. ~ the
dirc~tion or tire.
~ 8 Wheel Stopper Bo lt
~~ ··· ·· · · ······· · ······ ~~
• t:sc a rubbcr-b3.scdg1u! 8f 8X16'Aiuminum
to the- wheel bolts. I Washer
.I her the Rlue has/
dried, tighten them.
• J:Oit 3 dent or wheel st opper with
the sha rt. And then push in. * I!ICIIT *
-14 -
• Fit a dena or wheel
stopper with the
sha rt. ®f 2.6X16 Shart
.~nd then push ln.

< Bac k >
PIJ CUTTING BODY Hole for Ro
ll Bar
(on both sides 6pcs. f S• )
• Cut the shaded area with a r ou nd cuucr.
Make holes wiih a awl. ____ ........_
• · ri nish the rough edges wi th
a sander. «:~t
Holes f or f'ront Shock
( .3M )
Top
~-
Ho le for th roug h
. Antenna Pipe c• 6•)
Holes for
Oody Mount ~ u + --t- -- +- 1-- -- --+!-·- Center
( 4pcs.• 6 .. .) ..._ 1=~ ~-
P}iJ PAINTI NG
First wash the body to remove
any oil or dirt and rinse thoro ughl y
with cl ean water.
Pai nt the inside of body.
You c.an o bta in a color
sc heme by ma ski ng a portion
wilh tape then r emovin g t he
tape and painting,
App ly the light es t co lor l as t.
Paint the bo dy to a w hite colo r.
And paint t he bed a b lac k.
Reference t he p ic ture
of thi sca se.
!\ •1ask t he windows (r om
th e inside wilh th e
Micron Li ne Tape.
~ INSTALLATION OF CARBURETOR
Th ese Parts are in
Lhe bag (US- 2. 9)
<l!i> · Dummr Air Cleaner Cove , r-(! ~~
0 Dummy Air Clc ;;~n e r-- - -t"
in lhc same way .
- 15-
Holes f or Rear Shock (f 3- >
Inside of the bed.
•s•
~-
Pol yca Color
l "> a int
(Kyosho)
••••••••••••••••••
ICYDSHD
"' 1 121
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• Th ese spe'Cia l Lax an Scissors make •
: trimming bodies a breeze and the !
: sander comes in handy for rinishi nS:
: the rough edges , :
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ICYDSHD
•N'o 1 84 1 ••• lmm
• •
.No. 1 842 ••• 1. 5mm
! Ko. 1848 ••• 2 .5m m
• Colo r: White, Red
•
• Yello w, Green.
: Blu e and ""oc "· l
•
• For border •• ., ,., .,
! O,tlmm ••• No.
: 0.7mm ••• NO.
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ecyoSHD •
•••••• • •••• • •••••
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.., 2230 •
• •
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:Black.Vio let.f. Orangc.
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; f.Pink. Yellow Gr een
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•and C al son ic Blue •
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•••• •••••• •••••••••••• •• ••••
~ '==-===--- M 3 X 8 T P Dind Screw
N0 . 3241 US A·1
!\IT R O-CRt:SI!Eil
I

( PLATF.OF' llOOY I' ARTS I
M2 .6 X8 T P Rll Screw
(s ilver)
Paint surfaoc can be damaged b) • fuel,
coating with fuel-resistant material
is recommended,
.)It!loll llar llack Stoy (R)
~ __..;: :::;~= :::; "\'\-:'l r--0 1 1oll Bar llack Stay
~--~: ~ ~ c:c;> (1 .)
M2 .6X8 T P RH Screw
~ J
(silver) •Install Roll Bar Rack Stay (R) & (L) first.
• Put on the lock ring of
the ri ght sidesame as
1-""'~-..,...._"""" t.he leh .
...... u f 0 lle corcrul about
the direction.
Push in.
P1!j INSTALLATION OF ACCESSARlES PARTS
These pa rt s arc in the bag (US- 2. 9) .
Apply instant glue
then push in.
•
~ l"ront Grill
;'1.1irror ~'J~~:U~n :\- ...-
€tFront Crill Stcoppor
Cppc:r
[
=:::.-:-": 1
--· ~
i\ppl)' instant glue
then push in.
8 Fronl Shoxk (l'latc)
( :\lirror Seal Actual Site t>rawh'g>
NO. 3241 USA •l XITi lO- Clll;SIIIill
Cut 2 pieces
same as the actuol
site dnwlng.
M3 X8 T P Dind Screw...._-1--'
• ~lake should
become i nside.
-16-
3X8 T POind Screw
,. .,6)
8 ;\• 1i rr or
Seal
<Back >
M3 xs T POi nd Screw

PIH APPLING DECAL AND INSTALLAT ION OF SIDE GUARD
Th= ports are in the bag (US-9)
( Attentio n of applying the d ecal.) and t he box.
• Cut off the decals along the cutout line whh a $Cissors.
• Do not appl )' sudd~nl)'. con, • inc:c yourself of the
position by trying the decals with the ba•oking__.-
• P3PCr on.
Be careful not to have air bu lbblcs,.-....
lef
t. Apply it by a way of
pushing up from the center to
the outside. """iii'..
(E$pecialr. the lorgcst
decal..
..)
PJl i NS T ALLATION OF BODY These
pans are in
the bag (US-2) .
InStall the body pin in the
body mounts of front
and rea r.
1 ~
~ knd the body pins up
.... at the ends.
"-.)' 1'his will allow )'OU to
~ remove them easily.
-17-
Cut remalndtr of the d~ls.
N0 . 32 41 US A•1 :'\ITilO-CRl!SIIER
I