1985-1986 Honda Fourtrax 125 TRX125 Shop Manual, Page 69Get this manual
CYLINDER HEADVALVES DOWEL PIN
InstaJJ the pulse base, Instalt the dowel in into the camshaftNOTE
[io not turn the oit seal lip inside out
Tighten the pulse base with three screwsj
PULSE BASE
OIL SEAL
PULSE ROTOR ASSEMB LY