2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 14Get this manual
GENERAL INFORMATION
CYLINDER HE ADVALVECAMSHAFT SPECIFICATIONS (After '05)
ITEM Cylinder compression TRX450ER TRX450R Valve clearance Decompressor clearance Valve, valve guide Valve stem O.DValve guide I.DStem-to-guide clearance Valve guide projection above cylinder head Valve seat width Valve spring Exhaust rocker arm Camshaft Free length Arm I.DShaft O.DArm-to-shaft clearance Cam lobe height IN EX IN EX IN EX IN EX IN EX IN EX IN EX STANDARD 343382 kPa (3.53.9 kgfcm2, 5056 psi) 961 -1000 kPa (9.8-10.2 kgfcm ,139145 psi) 0.16 0.03 (0.006 0.001) 0.28 0.03 (0.011 0.001) Right side exhaust valve clearance0.25 0.02 mm (0.010 0.001 in) 5.475-5.490(0.2156-0.2161) 4.965-4.980(0.1955-0.1961) 5.500-5.512(0.2165-0.2170) 5.000-5.012(0.1969-0.1973) 0.0100.037 (0.00040.0015) 0.0200.047 (0.00080.0019) 16.1-16.3(0.63-0.64) 17.9-18.1 (0.70-0.71) 1.1-1.3(0.043-0.051) 1.3-1.5(0.051 -0.059) 40.68 (1.602) 42.82 (1.686) 12.00012.018 (0.47240.4731) 11.96711.975 (0.47110.4715) 0.0250.051 (0.00100.0020) 35.04035.280 (1.37951.3890) 34.21434.454 (1.34701.3565) 25.97825.993 (1.02281.0233) 26.010-26.026 (1.0240-1.0246) Unit: mm (in) SERVICE LIMIT