1986-1987 Honda TRX350 FourTrax 4X4, 1987-1989 TRX350D Foreman 4X4 Service Manual, Page 87Get this manual
8CYLINDERPISTON SERVICE INFORMATION TROUBLESHOOTING CYLINDER
PISTON PISTONCYLINDER INSTALLATION
SERVICE INFORMATION
SPECIFICA TIONS
ITEM Cylinder STANDARD 81 .000-81 .010 mm (3.1890-3.1894 in) SERVICE LIMIT 81 10 mm (3 .1 93 inl 0.10 mm (0.004 in) 10 mm (0 .004 in) 0.10 mm (0.004 in) 80 .90 mm 3 185 in) 21 .04 mm (0.828 in) 20.96 mm (0.825 in) 0.02 mm (0.001 in) 0.09 mm (0.004 in) 0.09 mm (0.004 in) .55 mm (0 .022 in)
1.0Taper Out of round Warpage across top Piston .0Piston pin bore Piston pin ODPiston-to-pin clearance Piston ring-to-ring groove clearance Piston ring end gap TOP SECOND
-80.965-80 .985 mm (3 .1 8761884 in) 21.00221.008 mm (0.8269-0.8271 in) 20.000-20 .994 mm (0.7874-0 .8265 in) 0.002-0.014 mm (0 .0001 -0 .0006 in) .015-0.045 mm (0 .0006-0.0018 in) .015.045 mm (0.0006-0 .0018 in) 0.20-0.35 mm (0.008-0.014 in) 0.20-0.70 mm (0.008.028 in) 0.015-0 .045 mm (0.00060.0018 in) 21 .020-21 .041 mm (0.8276-0.8284 in)