SERVICING INFORMATION 7-29
REDUCTION GEAR + DRIVE BELT + DRIVE CHAIN Unit: mm (in) Except raito
CARBURETOR
ITEM STANDARD LIMIT
Reduction ratio Variable change (2.091 – 1.879) —
Reduction gear ratio 4.272 (47/11) —
Final reduction ratio 3.700 (37/10) —
Drive belt width 15.9
(0.63)
14.9
(0.59)
Movable driven face spring free length 76.8
(3.02)
73.0
(2.87)
Drive chain Type D.I.D. 415 —
Links 82 —
20-pitch length —
259.0
(10.20)
Drive chain slack 25 – 35
(1.0 – 1.4)
—
ITEM SPECIFICATION
Carburetor type MIKUNI VM13
Bore size 13 mm
I.D.No. 43G0
Idle r/min 2 000 ± 150 r/min.
Float height 23.4 ± 1.0 mm
(0.92 ± 0.04 in)
Main jet (M.J.) #58.8
Jet needle (J.N.) 3N39
Needle jet (N.J) E-6
Pilot jet (P.J) #12.5
Air screw (A.S.) PRE-SET
Throttle cable play 3 – 5 mm
(0.12 – 0.20 in)
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