OFNA Racing 2-Speed User Manual
INSTRUCTIONS
#35001 1/8 SCALE 2-SPEED TRANSMISSION SET (Cam Type)
* This two speed transmission is only for "ULTRA”s “ 1/8 Scale Car Kits. (All Models)
2-SPEED ASSEMBLY
* Put the 2 speed cam in
the "D" cut.
35222
Center Gear
Shaft
7mm
5
0
10 15 20 25
mm
* Comes pre-assembled.
Spring
4x4mm
Set Screw
Steel Cam
4 X 5mm
Set Screw
35227
Clutch Cam
Cam Holder
2x5mm
Pin
35225
1St Spur Gear
Holder
(One-Way)
* Push down firmly keeping
the gear straight.
35229
18mm
E-Ring
1St Spur Gear
(49T.48T.47T)
49
*NB, this mark is for
the Counter-clockwise nut.
2nd Spur Gear
(46T.45T.44T)
Counter-clockwise
*Adjustment
Hole
35228
Alum. Nut
* Push bearing into
the gear holder.
35230
8 x 12mm
Flange
Ball bearing
* Note the direction.
if the Cam Holder is installed
around the wrong way, the transmission
won't shift and you will hear a
clicking sound when driving.
35226
2nd Spur gear Holder
(Ball bearing Type)
(Use the parts that come with your kit.)
30170
Brake Joint
7 x 19x 5mm
Bal lbearings
35230
8 x 12mm
Flange
Ball bearing
2 SPEED TRANSMISSION AFTER ASSEMBLY.
49
49
35231
8x10x3mm
Alum. Ring
*Use the ballbearings
that come with your car.
7 x 19x 5mm
49
Ball bearings
30170
Brake Joint
Screw
Cement
5 X 5mm
Set Screw
30200
Center
Diff. Mount
(Rear)
30200
Center
Diff. Mount
(Front)
Screw
Cement
5 X 5mm
Set Screw
(Use the parts that come with your kit.)
3 x 10mm
Tapping Screw
30220
Center Plate
Plastic
Pushing
30210
Brake Cam
Leave 0.5 mm
30180
Brake Pads
30171
Brake Lever
*Use the parts comes
with your kit.
3 x 3mm
Set Screw
Screw
Cement
To Front
ASSEMBLY OF THE2 SPEED CLUTCH BELL
35242
Clutch Bell
(For 2 speed.)
( FOR NORMAL PILOT SHAFT)
10091
Normal
Pilot Shaft
( FOR SG PILOT SHAFT)
10098
5x9x0.3mm
Washer
10098
SG Nut/shims
Pilot Shaft
* Depending on the engine you use,
it may be necessary to use 5x9x0.3mm
washer for a long crank shaft.
34110)
5x10mm
Ball bearing
34110
5x10mm
Ball bearing
35242
Clutch Bell
(For 2 speed.)
30190
Brake Disc
S
cre
w
em
C
t
en
crew
e
S
C
35253
18T 2nd
Clutch Gear
t
en
m
35253
18T 2nd
Clutch Gear
3 x12mm
Screw
35238
14T 1st
Clutch Gear
35238
14T 1st
Clutch Gear
35958
5x8x2.5mm
Ball bearing
35958
5x8x2.5mm
Ball bearing
5x8x0.8mm
Washer
3x8x0.5mm
Washer
5x8x0.3mm
Washer
3x5mm
Screw
3x8x0.5mm
Washer
35243
Dust Cover
35243
Dust Cover
3x5mm
Screw
* Notice the direction of the
2nd clutch gear as shown.
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