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SPEC
MAINTENANCE SPECIFICATIONS
MAINTENANCE SPECIFICATIONS
ENGINE
Model YFS200(P) 2002
Piston:
Piston size “D” 65.940 ~ 66.000 mm (2.596 ~ 2.598 in)
Measuring point “H” 10 mm (0.39 in)
Piston off-set 0 mm (0 in)
Piston-to-cylinder clearance 0.035 ~ 0.040 mm (0.0014 ~ 0.0016 in)
<Limit> 0.100 mm (0.0039 in)
Oversize 1st 66.25 mm (2.608 in)
2nd 66.50 mm (2.618 in)
Piston ring:
Sectional sketch Top ring Keystone
B = 1.2 mm (0.047 in)
T = 2.8 mm (0.110 in)
2nd ring Keystone
B = 1.2 mm (0.047 in)
T = 2.8 mm (0.110 in)
End gap (Installed) Top ring 0.20 ~ 0.40 mm (0.008 ~ 0.016 in)
2nd ring 0.20 ~ 0.40 mm (0.008 ~ 0.016 in)
Side clearance Top ring 0.03 ~ 0.05 mm (0.0012 ~ 0.0020 in)
2nd ring 0.03 ~ 0.05 mm (0.0012 ~ 0.0020 in)
Crankshaft:
Crank width “A” 57.90 ~ 57.95 mm (2.280 ~ 2.281 in)
<Runout limit “C”> <0.03 mm (0.0012 in)>
Big end side clearance “D” 0.2 ~ 0.7 mm (0.008 ~ 0.028 in)
Big end radial clearance “E” 0.021 ~ 0.035 mm (0.0008 ~ 0.0014 in)
Small end free play “F” 0.8 ~ 1.0 mm (0.031 ~ 0.039 in)
Clutch:
Friction plate thickness/quantity 2.92 ~ 3.08 mm (0.115 ~ 0.121 in)/7 pcs.
<Wear limit> <2.8 mm (0.110 in)>
Clutch plate thickness/quantity 1.05 ~ 1.35 mm (0.041 ~ 0.053 in)/6 pcs.
<Warp limit> <0.05 mm (0.002 in)>
Clutch spring free length/quantity 34.5 mm (1.36 in)/5 pcs.
Clutch spring minimum length 30.0 mm (1.18 in)
Clutch housing radial clearance 0.015 ~ 0.049 mm (0.0006 ~ 0.0019 in)
Clutch release method Inner push, cam push
<Push rod bending limit> <0.15 mm (0.006 in)>
D
H
B
T
B
T
C
C
F
D
A
E
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