Crankshaft
Width A 69.25–69.30 mm (2.726–2.728 in)
Runout limit C 0.030 mm (0.0012 in)
Big end side clearance D 0.350–0.850 mm (0.0138–0.0335 in)
Balancer
Balancer drive method Gear
Clutch
Clutch type Wet, multiple-disc
Clutch release method Inner push, cam push
Clutch lever free play 10.0–15.0 mm (0.39–0.59 in)
Friction plate thickness 2.70–2.90 mm (0.106–0.114 in)
Wear limit 2.60 mm (0.1024 in)
Plate quantity 6 pcs
Clutch plate thickness 1.50–1.70 mm (0.059–0.067 in)
Plate quantity 5 pcs
Warpage limit 0.20 mm (0.0079 in)
Clutch spring free length 40.10 mm (1.58 in)
Limit 38.10 mm (1.50 in)
Spring quantity 5 pcs
Clutch housing thrust clearance 0.100–0.350 mm (0.0039–0.0138 in)
Clutch housing radial clearance 0.010–0.044 mm (0.0004–0.0017 in)
Push rod bending limit 0.500 mm (0.0197 in)
Transmission
Transmission type Constant mesh 5-speed
Primary reduction system Spur gear
Primary reduction ratio 74/24 (3.083)
Secondary reduction system Chain drive
Secondary reduction ratio 48/15 (3.200)
Operation Left foot operation
Gear ratio
1st 37/13 (2.846)
2nd 29/16 (1.812)
3rd 29/22 (1.318)
4th 29/28 (1.035)
5th 23/28 (0.821)
Main axle runout limit 0.08 mm (0.0032 in)
Drive axle runout limit 0.08 mm (0.0032 in)
Main axle assembly width 102.20–102.40 mm (4.02–4.03 in)
Shifting mechanism
Shift mechanism type Shift drum and guide bar
Shift fork thickness 4.76–4.89 mm (0.1874–0.1925 in)
C
C
D
A
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