Hisun HS800UTV - DRIVETRAIN COMPONENTS (SHEAVES, BELTS)

ENGINE
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NOTE:
To ease guide removal, installation and to
maintain correct fit, heat the cylinder head to
100 °C (212 °F) in an oven.
a. Install the new valve guide using a valve guide
remover ① and valve guide installer ②.
b. After installing the valve guide, bore the
valve guide using a valve guide reamer ③
to obtain proper stem-to-guide clearance.
NOTE:
A
fter replacing the valve guide reface the
valve seat.
c. If the valve seat is to wide or narrow o
r
cracked, grind it to ensure impermeability.
3). Lap:
• valve face
• valve seat
NOTE:
After reface the valve seat or replacing the
valve and valve guide, the valve seat and
valve face should be lapped.
a. If the pipe will be replaced, grind the valve
seat again.
CAUTION:
Do not let the compound enter the gap
between the valve stem and the guide.
b. Install the valve into the cylinder head.
c. Turn the valve until the valve face and valve
seat are evenly polished, then clean off all o
f
the compound.