SERVICING INFORMATION 19-5
TRANSMISSION + DRIVE CHAIN
Unit: mm (in) Except ratio
CARBURETOR
ITEM STANDARD LIMIT
Primary reduction ratio 3.210 (61/19) —
Final reduction ratio 4.000 (48/12) —
Gear ratios Low 2.153 (28/13) —
2nd 1.764 (30/17) —
3rd 1.470 (25/17) —
4th 1.238 (26/21) —
Top 1.090 (24/22) —
Shift fork to groove clearance
No.1, 2 & 3
0.10 – 0.30
(0.004 – 0.012)
0.50
(0.020)
Shift fork groove width
No.1, 2 & 3
5.00 – 5.10
(0.197 – 0.201)
—
Shift fork thickness
No.1, 2 & 3
4.80 – 4.90
(0.189 – 0.193)
—
Drive chain Type DID 520 DMA2 —
Links 112 links —
20-pitch
length
—
323.8
(12.75)
Drive chain slack 35 – 45
(1.4 – 1.8)
—
Gearshift lever height 5 – 10 (0.2 – 0.4)
(Above the top face of the foot rest)
—
ITEM
SPECIFICATION
E-03, 000 E-19, 28
Carburetor type FCR37MX ←
Bore size 37 mm
(1.46 in)
←
I.D. No 10H0 10H1
Idle r/min 2 100 ± 50 r/min ←
Float height 8 mm
(0.31 in)
←
Fuel level 6.5 mm (0.26 in)
(Above the datum point)
←
Main jet (M.J.) #162 #170
Jet needle (J.N.) NLCT-3rd NLCT-4th
Slow jet (S.J.) #45 ←
Slow air jet (S.A.J) #100 ←
Starter jet #75 ←
Pilot screw 1 and 1/2 turns back ←
Leak jet #40 ←
Throttle stop screw Adjust to the specified idle speed. ←
Throttle cable play
(pulling cable)
2 – 4 mm
(0.08 – 0.16 in)
←
Hot starter cable play Approx. 3 mm (0.12 in) ←
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