2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 14Get this manual
GENERAL INFORMATION
CYLINDER HEADVALVECAMSHAFT SPECIFICATIONS
Unit: mm (in) ITEM Cylinder compression at 450 rpm (min-1) Valve clearance Valve, valve guide Valve guide I.DStem-to-guide clearance Valve guide projection above cylinder head Valve seat width Valve spring Rocker arm Free length Arm I.DShaft O.DArm-to-shaft clearance Camshaft and cam follower Cam follower O.DFollower bore I.DFollower-to-bore clearance Cylinder head warpage 0.10 (0.004) Cam lobe height Valve stem O.DIN EX IN EX INEX IN EX IN EX INEX Inner Outer INEX INEX INEX IN EX INEX INEX INEX STANDARD 608 902 kPa (6.2 9.2 kgfcm 2, 88 131 psi) 0.15 (0.006) 0.23 (0.009) 5.475 5.490 (0.2156 0.2161) 5.455 5.470 (0.2148 0.2154) 5.500 5.512 (0.2165 0.2170) 0.010 0.037 (0.0004 0.0015) 0.030 0.057 (0.0012 0.0022) 15.8 16.2 (0.62 0.64) 18.8 19.2 (0.74 0.76) 1.0 1.1 (0.039 0.043) 38.82 (1.528) 51.17 (2.015) 12.000 12.018 (0.4724 0.4731) 11.964 11.984 (0.4710 0.4718) 0.016 0.054 (0.0006 0.0021) 33.9602 34.1202 (1.33701 1.34331) 34.1959 34.3559 (1.34629 1.35259) 22.467 22.482 (0.8845 0.8851) 22.510 22.526 (0.8862 0.8868) 0.028 0.059 (0.0011 0.0023) 1.4 (0.06) 37.8 (1.49) 49.0 (1.93) 12.05 (0.474) 11.92 (0.469) 0.08 (0.003) 33.790 (1.3303) 33.946 (1.3365) 22.46 (0.884) 22.54 (0.887) 0.07 (0.003) 5.45 (0.215) 5.43 (0.214) 5.53 (0.218) 0.12 (0.005) 0.14 (0.006) SERVICE LIMIT