Valve Guide Replacement - Honda VT750C2 Shadow Spirit Service Manual

CYLINDER HEAD/VALVE
CAM CHAIN TENSIONER
Check the cam chain tensioner for wear or damage.
CAM CHAIN TENSIONER
Replace the cam chain tensioner if necessary.
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VALVE GUIDE REPLACEMENT
NOTE:
Refinish the valve seats whenever the valve guides
are replaced to prevent uneven seating.
Chill new valve guides in the freezer section of a
refrigerator for about an hour.
Do not use
a
torch
Heat the cylinder head to 130 - 140°C (266 - 284°F)
to
heat the cylinder
with a hot plate or oven. Do not heat the cylinder
head; it may cause
head beyond 150°C (302°F). Use temperature indica-
warping.
tor sticks, available from welding supply stores, to
be sure the cylinder head is heated to the proper
temperature.
To avoid burns, wear insulated gloves when han­
dling the heated cylinder head.
Be careful not
to Support the cylinder head and drive out the old
damage the
guides from the combustion chamber side of the
cylinder head.
head.
TOOL:
Valve guide driver
5.5 mm (IN/EX)
07742-0010100
Adjust the valve guide driver to the valve guide
height.
TOOL:
Valve guide driver 07743-0020000
Not available in
U.S.A.
I VALVE GUIDE PROJECTION ABOVE CYLINDER
HEAD:
IN: 18.7 - 18.9 mm (0.736 - 0.744 in)
EX: 17.2 - 17.4 mm (0.68 - 0.69 in)
Drive new guides in from the camshaft side of the
cylinder head to the valve guide height while the
cylinder head is still heated.
Revised: Sectember 2008.2007-2009 VT750C2
9-18