1985-1986 Honda Fourtrax 125 TRX125 Shop Manual, Page 68Get this manual
CYLINDER HEADiVALVES
CAMSHAFT-TD-END HOLE INSPECTION
Measure the end hole 1.0SERV ICE LIMITS :
R: 18.05 mm (0 .7" inL: 26.05 mm (1.026 in )
Calculate the camshaft to end hole clearanceSERVICE LIMITSR: 0.12 mm (0,005 inL: 0.16 mm to .006 in)
INDEX MARK
CAMSHAFT INSTAL LATION
Pull the recoil starter rope and align theT" mark
on the rotor with the index mark