1985-1986 Honda Fourtrax 125 TRX125 Shop Manual, Page 64Get this manual
6SERVICE INFORMATI ON TROUBLESHOOTING CAMSHAFT REMOVAL CYLINOER HEAD REM OV CYLINOER HEAD OISASSEMBL Y
CYLINDER HEADVALVES
VALVE SEAT INSPECTIONI REFACING CY LINDER HEAD ASSEMBLY CYLINDER HEAD INSTALLATION
6-14 6- 16 6- 18
SERVICE INFORMATIONGENERAL
This section covers cylinder head, valves, camshaft and rocker arm maintenanceCamshaft lubrication oil is fed to the cylinder head through an oil control orifice in the crankcaseBe sure that this orifice
is not clogged and that new O-rings and dowel ins are in place before installing the cylinder head
SPECIF ICATIONS
STANDARD 12,5 1.5 kgcm
SERVICE LIMI 9.0 kgcm (128.0 psi) 17.90 mm (0.705 in) 25.90mm (1.020 in) 23.8mm (0.94 in)
Cylinder compression
Camshaft .0 ,
(178 22 psi (0.7060-0.7065 in) (1.0210-1.0215 in) (0.9495-0.9558 in) (0.3937-0.3943 in) (0.3926-0.3932 in)
lobe heIght
17.934- 17.945 mm 25.932-25.945 mm 24.118-24.278 mm 10.000 10.01 mm 9.972-9.987 mm
Rocker arm 1.0
10.10 mm (0.398 in) 9.92 mm 0.08 mm 010 mm (0.391 in) (0.003 in) (0.004 in) .18 in) (1.32 in)