CHAPTER 3B ENGINE 50cc/80cc ATV SERVICE MANUAL09.0
CHAPTER 3B ENGINE PAGE 3B - 8 -
3.2.2 Disassembling of camshaft
Remove four bolts and two nuts and take off
cylinder head cover.
Disassemble tension seal bolt and spring.
Use the kick start lever to turn engine slowly
until “T” mark on flywheel lines up with
indicator on crankcase and check position of
camshaft to find if both valves are closed.
The hole in the cam gear should be away
from the engine, if this is not correct rotate
the crank one revolution to achieve this
alignment.
Remove four bolts and remove camshaft
fixed seat.
Remove rocker arms and pivots.