5-25
VALVES AND VALVE SPRINGS
ENG
NOTE:
NOTE:
2. Replace:
S valve guide
To ease valve guide removal and installation,
and to maintain the correct fit, heat the cylinder
head to 100_C (212_F) in an oven.
a. Remove the valve guide with the valve guide
remover
1
.
b. Install the new valve guide with the valve
guide installer
2
and valve guide remover
1
.
c. After installing the valve guide, bore the
valve guide with the valve guide reamer
3
to
obtain the proper valve-stem-to-valve-guide
clearance.
After replacing the valve guide, reface the valve
seat.
Valve guide remover
(4 mm, 0.16 in)
90890-04111,
Valve guide installer
(4 mm, 0.16 in)
90890-04112,
Valve guide reamer (4 mm, 0.16 in)
90890-04113, YM-04113
3. Eliminate:
S carbon deposits
(from the valve face and valve seat)
4. Check:
S valve face
Pitting/wear ! Grind the valve face.
S valve stem end
Mushroom shape or diameter larger than the
body of the valve stem ! Replace the valve.
To Next Page
Loading...
Need help?
General
