1987 Honda Fourtrax TRX 250X Service Manual, Page 81Get this manual
CYLINDERPISTON
CYLINDER REMOVAL
Remove the cylinder head (Section 6)NOTE
Keep the cam chain from faUing into the crankcase when fe moving the cylinder Remove the cylinder mount bolts, cam chain guide and cylinder
Remove the gasket and dowel pins
CYLINDER INSPECTIDN
Inspect the cylinder walls or scratches and wearMeasure and record the cylinder 1.0at three levels in both an and axisTake the maximum reading to determine the cylinder wear
SERVICE LIMIT: 74 .10 mm {2.917 inl Calculate the piston-to-cylinder clearanceTake the maximum reading to determine the clearanceSERVICE LIMIT: 10 mm (0 .004 inl