2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 12Get this manual
GENERAL INFORMATION
CYLINDER HEADIVALVECAMSHAFT SPECIFICATIONS
Cylinder compressionat 350 rpm (min-I) Valveclearance
Valve, valve guide Valve stem 0.0Valve guide I.Dclearance-
IN EX IN EX
STANDARD 550 kPa (5.6 kgfcm80 psi) 0.15 (0.006)
O.33l0.013l 5.4755.490 (0.2156 0.21611 5.4555.470 (0.2148 0.21541 5.500 5.512 (0.2165 0.2170) 0.010 0.037 (0.0004 0.0015) 0.030 0.057 (0.0012 0.0022) 14,8 -15.2 (0.580.60)
Unit: mm (in) SERVICE UMIT
5.45 (0.215) 5.43 (0.2141
Valve guide projection above cylinder head
Valve seat width
Valve spring Free length
IN EX IN EX INIEX
Inner Outer
I 5.53 (O.21S} 0.12 (0.005)
0.14 (0.006)
1.0 1.1 (0.039
17.3- 17.7 (0.68O.70l 0.0431
Rocker arm
Camshaft and cam follower
Arm WShaft 0.0Arm-to-shaft clearance Cam lobe height