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SPEC
ENGINE SPECIFICATIONS
Piston
Piston-to-cylinder clearance 0.020 ~ 0.035 mm (0.0008 ~ 0.0014 in) 0.150 mm
(0.0059 in)
Diameter D 49.970 ~ 49.985 mm (1.9673 ~ 1.9679 in) ----
Height H 5 mm (0.20 in) ----
Piston pin bore (in the piston)
Diameter 15.002 ~ 15.013 mm (0.5906 ~ 0.5911 in) 15.043 mm
(0.5922 in)
Offset 0.5 mm (0.020 in) ----
Offset direction Intake side ----
Piston pin
Outside diameter 14.995 ~ 15.000 mm (0.5904 ~ 0.5906 in) 14.975 mm
(0.5896 in)
Piston-pin-to-piston-pin-bore clear-
ance
0.002 ~ 0.018 mm (0.0001 ~ 0.0007 in) 0.068 mm
(0.0027 in)
Piston rings
Top ring
Ring type Barrel ----
Dimensions (B × T) 1.00 × 1.95 mm (0.039 × 0.077 in) ----
End gap (installed) 0.10 ~ 0.25 mm (0.004 ~ 0.010 in) 0.50 mm
(0.020 in)
Ring side clearance 0.03 ~ 0.07 mm (0.0012 ~ 0.0028 in) 0.12 mm
(0.0047 in)
2nd ring
Ring type Taper ----
Dimensions (B × T) 1.0 × 2.0 mm (0.039 × 0.079 in) ----
End gap (installed) 0.10 ~ 0.25 mm (0.004 ~ 0.010 in) 0.60 mm
(0.024 in)
Ring side clearance 0.02 ~ 0.06 mm (0.0008 ~ 0.0024 in) 0.12 mm
(0.0047 in)
Item Standard Limit
H
D
T
B
B
T
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