1997-2001 Honda TRX250 Fourtrax Recon Service Manual, Page 104Get this manual
CYLINDER HEADCYLINDERPISTON Unit mm (i n)
SPECI FICATIONS
SERVICE LIMIT
Cylinder
Pi ston, piston ring
Out of round Taper Warpage mark direction Pisto O.DPiston 0.0measurement point Piston in bore I.DPiston pin O.Dpin clearance Piston ring-to -ring Top groove clearance Second Top Piston ring end gap
I 68.50068 .510 (2.69682.6972)-