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8. CYLINDER/PISTON ATV 150/125
SPECIFICATIONS mm (in)
ATV 150 Standard Service Limit
I.D. 62.0362.045 62.1 (2.484)
(2.48122.4818)
Cylinder Warpage 0.05 (0.002)
Cylindricity 0.05 (0.002)
True roundness 0.05 (0.002)
Top 0.0150.055 0.09 (0.0036)
Ring-to-groove (0.0060.0022)
clearance 0.0150.055
Second 0.09 (0.0036)
(0.0060.0022)
Top 0.10.25 (0.0040.01) 0.5 (0.02)
Piston, Ring end gap Second 0.10.25 (0.0040.01) 0.5 (0.02)
piston ring Oil side rail 0.20.7 (0.0080.028)
Piston O.D. 61.9662 (2.47842.48) 61.9 (2.476)
Piston O.D. measuring position 5 (0.2) from bottom of skirt
. Piston-to-cylinder clearance 0.010.04 (0.00040.0016) 0.1 (0.004)
15.00215.008
Piston pin hole I.D. 15.04 (0.6016)
(0.600080.30016)
Piston pin O.D 14.99415 (0.599760.6) 14.96 (0.5984)
0.0020.014
Piston-to-piston pin clearance 0.02 (0.008)
(0.000080.00056)
15.01615.034
Connecting rod small end I.D. bore 15.06 (0.6024)
(0.600640.60136)
8-3