1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 125Get this manual
Quality of the image is intentionally reduced!
7CYLINDER HEADCYLINDERPISTON SE.RVICE INF'O'R MATION TROUBLESHOOTING
Valve stem 0.0IN
I o.i (0 .OO6}
5.475,5.490 (0.2156.21 51) 50.456,.410 (0 .2148.2154) 5.5005