SERVICING INFORMATION 9-29
DRIVE TRAIN
Unit: mm (in) Except ratio
ITEM STANDARD LIMIT
Primary reduction ratio 3.250 (65/20) ———
Secondary reduction ratio 1.235 (21/17) ———
Final reduction ratio 3.200 (32/10) ———
Transmission
gear ratio
Low 3.083 (37/12) ———
2nd 1.933 (29/15) ———
3rd 1.388 (25/18) ———
4th 1.095 (23/21) ———
Top 0.913 (21/23) ———
Reverse 2.833 (29/12 × 34/29) ———
Shift fork to groove clearance 0.10 – 0.30
(0.004 – 0.012)
0.50
(0.020)
Shift fork groove width 4.50 – 4.60
(0.169 – 0.173)
———
Shift fork thickness 4.30 – 4.40
(0.169 – 0.173)
———
Gearshift lever height 17
(0.7)
———
Secondary bevel gear
backlash
0.03 – 0.15
(0.001 – 0.006)
———
Rear drive (final) bevel gear
backlash
0.05 – 0.30
(0.002 – 0.012)
———
CARBURETOR
ITEM
SPECIFICATION
E-03, 24, 28 E-17 E-33
Carburetor type MIKUNI BS29 ←←
Bore size 29 mm ←←
I.D. No. 05G0 05G2 05G1
Idle r/min. 1 500 ± 100 r/min. ←←
Float height 17.1 ± 1.0 mm
(0.67 ± 0.04 in)
←←
Main jet (M.J.)
#137.5 ←
#
Jet needle (J.N.) 4DJ24-1st ←←
Needle jet (N.J.)
P-0M ←
Throttle valve (Th.V.) #100 ←←
Pilot jet (P.J.)
#17.5 ←
#
Pilot screw (P.S.) 2 turns back ← PRE-SET
Throttle cable play 3 – 5 mm
(0.12 – 0.20 in)
←←
Starter (enricher) cable play 0.5 – 1.0 mm
(0.02 – 0.04 in)
←←