Valve Guide Replacement; Cam Chain Tensioner - Honda 1998 VT750C Service Manual

CYLINDER HEAD/VALVES
CAM CHAIN TENSIONER
Check the cam chain tensioner for wear or damage.
Replace the cam chain tensioner if necessary.
VALVE GUIDE REPLACEMENT
NOTE:
Refinish the valve seats whenever the valve guides
are replaced to prevent uneven seating.
Chill the valve guides in the freezer section of refrig-
erator for about an hour.
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Wear insulated gloves to avoid burns when han-
dling the heated cylinder head.
Heat the cylinder head to 130 - 140°C (275 - 290°F)
with a hot plate or oven. Do not heat the cylinder head
beyond 150°C (300°F). Use temperature indicator
sticks, available from welding supply stores, to be
sure the cylinder head is heated to proper tempera-
ture.
CAUTION:
Using a torch to heat the cylinder head may cause
warping.
CHAIN TENSIONER
Be careful not
to
damage the cylinder head.
Support the cylinder head and drive out the old
guides from the combustion chamber side of the
cylinder head.
TOOLS:
Valve guide remover
5.5 mm (IN)
6.6 mm (EX)
CAUTION:
07742-0010100
07742-0010200
10-18