2006-2012 Honda TRX90 TRX90EX/X Service Manual, Page 123Get this manual
CYLINDERPISTON INSPECTION CYLINDER
Inspect the cylinder wall for wear or damageMeasure the cyl inder 1.0i and axis at three levelsTake the maximum reading to determine the cylin der wear
SERVICE LIMIT: 47.05 (1.852 in)
Calculate the piston-to-cylinder clearanceTake max imum reading to determine the clearanceRefer to page 8-6 for measurement of the piston
SERVICE LIMIT: 0.15 mm (0.006 in)
Calculate the ta per and out of ro und at hree levels in and axisTake he maximum reading to determine hem
SERVICE LIMITS: Taper: 0.05 mm (0.002 inOut-of-round: 0.05 mm (0.002 in)
The cylinder must be rebored and an oversize piston fitted if the service limits are exceeded The following oversize pistons are available: