SERVICING INFORMATION 18-3
RADIATOR
TRANSMISSION
Unit: mm (in) Except ratio
DRIVE CHAIN Unit: mm (in)
CARBURETOR
ITEM STANDARD LIMIT
Radiator cap valve release
pressure
95 – 125 kPa
(0.95 – 1.25 kgf/cm
2
, 13.5 – 17.8 psi)
—
ITEM STANDARD LIMIT
Primary reduction ratio 3.368 (64/19) —
Final reduction ratio 4.250 (51/12) —
Gear ratios Low 2.071 (29/14) —
2nd 1.687 (27/16) —
3rd 1.444 (26/18) —
4th 1.200 (24/20) —
5th 1.052 (20/19) —
Top 0.950 (19/20) —
Shift fork to groove clearance
No. 1, 2 & 3
0.05 – 0.25
(0.002 – 0.010)
0.45
(0.018)
Shift fork groove width
No. 1, 2 & 3
4.95 – 5.05
(0.195 – 0.200)
—
Shift fork thickness
No. 1, 2 & 3
4.80 – 4.90
(0.190 – 0.193)
—
ITEM STANDARD LIMIT
Drive chain Type D.I.D 520DMA2 —
Links 114 —
20-pitch length —
323.8
(12.7)
Drive chain slack 40 – 50
(1.6 – 2.0)
—
ITEM SPECIFICATION
Carburetor type TMX38SS
Bore size 38 mm (1.5 in)
I.D. No. 36F8
Float height 8.7 ± 1.0 mm (0.34 ± 0.04 in)
Main jet (M.J.) #370
Jet needle (J.N.) 6CHY17-65-3rd
Pilot jet (P.J.) #42.5
Cut-away (C.A.) #5.0
Air screw (A.S.) 2 turns out
Throttle cable play 2.0 – 4.0 mm (0.08 – 0.16 in) at the throttle grip