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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
