2001-2005 Honda TRX250EX Sportrax TRX250EX Factory Service Manual, Page 10Get this manual
GENERAL INFORMATION CYLINDERPISTONCAMSHAFT ITEM Cylinder
Unit mm (i n)
STANDARD
SERVICE LIMIT
68.500-68.510 (2.6968-2.69721
0.10 (0.004) 0.10 (0.004)
Out of round
Warpage
-UrN" mark toward the intake side
0.10 (0.004)
piston pin, piston ri ng
Piston mark direction Piston 0.0measurement point
6-14 (0.2-0.6)
Piston 0.0Piston pin bore I.DPiston pin O.DPiston-te-piston pin clearance Piston ring-to-ring groove clearance
68.462-68.482 (2.6953-2.6961)
15.002-15.008 (0.59060.5909) 14.994- 15.000 (0.5903-0.5906) 0.002-0.014 (O.OOOl-O.0006) 0.015-0.045 (0.00060.0018) 0.015-0.04510.0006-0.0018) 0.20-0.35 (0.008-0.014) 0.40-0.55 (0.016-0.022)