2004-2006 Honda FourTrax Rancher TRX350TE/TM/FE/FM Service Manual, Page 153Get this manual
CYLINDERPISTON Do no; damagE: ;]Isron r',Cog bl' spreading .he Enos roo far
Spread each piston ring and remove it by lifting up at point opposite the gap
Clean carbon deposits from the ring grooves with ring that will be disca rdedNever use wi re brush; it will scra tch the groove
INSPECTION
CYLINDER Inspect the cy linder bore for sc ratch or wear Measure the cylinder 1.0at three levels in an and YaxisTake the maximum reading to determine the cylinder wearSERVICE LIMIT: 78.60 mm (3.094 in) Calculate the cylinder -to-pis ton clearanceRefer to page 9-6 for measurement of the piston .0