1999-2002 TRX400EX Fourtrax Service Manual, Page 111Get this manual
8CYLINDERPISTON INFORMATION TROUBLESHOOTING
CYLINDERPISTON REMOVAL PISTONCYLINDER INSTALLATION
SERVICE INFORMATION
GENERAL
The cylinder and piston can be serviced with the engine installed in the frameTake care notto damagethe cylinder wall and pistonDo not damage mating surfaces by using screwdriver when removing the cylinderCamshaft lubricating oil is fed through the oil passage in the cylinderClean the oil passage before installing the cylinder
SPECIFICATIONS
Unit: mm (in) ITEM Cylinder STANDARD
SERVICE LIMIT-
1 .0Out of round Taper Warpage Piston 0.0 at 15 (0.6) from bottom Piston pin hole 1.0Piston pin 0.0Piston-to-p iston pin clearance Piston ring end gap Top Second Oil (side rail) Piston ring -to-ring groove clearance Top Second
85.00.085.010
33468 0.05 (0.002) 0.05 (0.002) 0.10 (0.004) 84.880 (3 .3417) 20.060 (0.7898) 19.964 (0 .7860) 0.096 (0.0038) 0.50 (0 .020) 0.65 (0.026) 0.90 (0 .035) 0.14 (0.006) 0.12 (0.005) 0.10(0.004) 20.067 (0.7900) 0.103 (0.0041)