2006 Honda TRX680 Rincon Factory Service Manual, Page 229Get this manual
CYLINDERPISTON
SERVICE INFORMATION
GENERAL
The cylinder and piston can be serviced with the engine installed in the frameTake care not to damage the cylinder wall and pistonBe careful not to damage the mating surfaces when removing the cylinderRocker arm and valve lubricating oil is fed through the oil passage in the cylinderClean the oil passage before installing the cylinder When disassembling, mark and store the disassembled parts to ensure that they are reinstalled in their original locations
SPECIFICATIONS
Unit: mm (in) ITEM Cylinder I.DOut-of-round Taper Warpage Piston O.Dat 20 (0.8) from bottom Piston pin hole I.DPiston pin O.DPiston-to-piston pin clearance Piston ring end Top gap Second
Oil (side rail)
Piston, piston pin, piston ring
Piston ring-to-ring groove clearance Cylinder-to-piston clearance Connecting rod small end I.DConnecting rod-to-piston pin clearance