Instructions – OFNA Racing LD3 Pro User Manual
Page 33
SHIFT UP TIMING ADJUSTMENT
* Adjust the engine before adjusting the clutch shift timing.
Adjust the engine as per engine instruction manual.
1. Once the engine adjustments have been completed, proceed to the
adjustment of the clutch shoe shift timing.
(Using a 1.5mm allen wrench to adjust the clutch shoe on either side.)
Note:
Clockwise--------Shift timing will become slower.
Counter-clockwise---Shift timing will become quicker.
2. Adjust the clutch shift timing for your track conditions.
As you tighten (Clockwise) the 2x10mm screw , the shift timing will
become slower.
As you loosen (Counter-clockwise ) the 2x10mm screw, the shift timing
will become quicker.
3. Set the shift timing to the track conditions while the car is running.
M2x10mm
Hex Screw
M2x10
Hex Screw
3x3mm
Set Screw
* Use a 1.5mm allen wrench to
set the clutch shoe.
* Adjust the 3x3 set screw witch is used
to
the distance between the clutch
shoe and clutch bell.
adjust
* Adjust the M2 x 10mm hex screw will be
change the shift timing of the clutch
shoe.
ADJUSTING THE SHIFT POINT
1.5mm
Allen Wrench
Clockwise
(Tighten)
Counter-clockwise
(Loosen)
INSTRUCTIONS
#38322 SPEED TRANSMISSION
2 SPEED GEAR RATIO COMBINATIONS
2 SPEED OPTION PARTS
IMPORTANT:
The sum of the spur gear and clutch gear for1st gear must be equal.
Also, he sum of the spur gear and clutch gear for 2nd gear
.
be equal
Example:
1st gear 45+13=58
2nd gear 41+17=58
Must be equal
* Also 2 tooth and 5 tooth differences are possilbe, but not shown..
SPUR GEAR
CLUTCH GEAR
16T/20T
44T/40T
43T/39T
42T/38T
41T/37T
(4 tooth difference - OFNA standard)
17T/21T
18T/22T
19T/23T
S
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SPUR GEAR
CLUTCH GEAR
16T/21T
44T/39T
43T/38T
42T/37T
(5 tooth difference)
17T/22T
18T/23T
19T/24T
S
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( STANDARD)
¤
j
¾
¦
(MODIFY)
38298 37T Spur Gear, Gray 1st
38299 41T Spur Gear, Gray 2nd
38300 38T Spur Gear, Gray 1st
38301 42T Spur Gear, Gray 2nd
38302 39T Spur Gear, Gray 1st
38303 43T Spur Gear, Gray 2nd
38304 40T Spur Gear, Gray 1st
38305 44T Spur Gear, Gray 2nd
SPUR GEAR:
Number
Description
CLUTCH GEAR:
Number
35944 16T-1st Clutch Gear
38306 17T-1st Clutch Gear
38307 18T-1st Clutch Gear
38308 19T-1st Clutch Gear
35945 20T-2nd Clutch Gear
35946 21T-2nd Clutch Gear
38309 22T-2nd Clutch Gear
38310 23T-2nd Clutch Gear
38311 24t-2nd Clutch Gear
Description
Here
NOT Here, at ball set screw!