ENGINE SPECIFICATIONS
2-7
Small end inside diameter 23.015–23.028 mm (0.9061–0.9066 in)
Crankshaft
Width A 97.95–98.00 mm (3.856–3.858 in)
Runout limit C 0.020 mm (0.0008 in)
Big end side clearance D 0.320–0.474 mm (0.0126–0.0187 in)
Big end radial clearance E 0.022–0.046 mm (0.0009–0.0018 in)
Limit 0.09 mm (0.0035 in)
Balancer
Balancer drive method Gear
Clutch
Clutch type Wet, multiple-disc
Clutch release method Outer push, screw push
Operation Left hand operation
Clutch lever free play 5.0–10.0 mm (0.20–0.39 in)
Friction plate 1, 3 thickness 2.90–3.10 mm (0.114–0.122 in)
Wear limit 2.80 mm (0.1102 in)
Plate quantity 2 pcs
Friction plate 2 thickness 2.92–3.08 mm (0.115–0.121 in)
Wear limit 2.82 mm (0.1110 in)
Plate quantity 7 pcs
Clutch plate thickness 1.90–2.10 mm (0.075–0.083 in)
Plate quantity 8 pcs
Warpage limit 0.20 mm (0.0079 in)
Clutch spring height 6.70 mm (0.26 in)
Minimum height 6.37 mm (0.25 in)
Spring quantity 1 pc
Clutch housing thrust clearance 0.050–0.450 mm (0.0020–0.0177 in)
Clutch housing radial clearance 0.010–0.046 mm (0.0004–0.0018 in)
Transmission
Transmission type Constant mesh 5-speed
Primary reduction system Spur gear
Primary reduction ratio 70/45 (1.556)
Secondary reduction system Belt drive
Secondary reduction ratio 70/30 (2.333)
Operation Left foot operation
Gear ratio
1st 36/13 (2.769)
2nd 32/18 (1.778)
3rd 29/21 (1.381)
4th 29/26 (1.115)
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