Valve Guide Replacement - Honda INTERCEPTOR 2002 Service Manual

VALVE/VALVE GUIDE
Check that the valve moves smoothly in the guide.
Inspect each valve for bending, burning or abnor-
mal stem wear.
Measure and record each valve stem O.D.
SERVICE LIMITS :
IN: 4.465 mm (0.1758 in)
EX: 4.455 mm (0.1754 in)
Ream the guides to remove any carbon deposits
before checking clea ra nces.
Insert the reamer from the combustion chamber
side of the head and always rotate the reamer clock-
wise.
TOOL:
Valve guide reamer, 4.5 mm 07HMH-ML00101
Measure and record each valve guide I.D.
SERVICE LIMIT: IN/ EX: 4.540 mm (0.1787 in)
Subtract each valve stem O.D. from the correspond-
ing guide I. D. to obtain the stem-to-guide clearance.
SERVICE LIMITS:
IN: 0.075 mm (0.0030 in)
EX: 0.085 mm (0.0033 in)
Reface the valve
If the stem-to-guide clearance is out of standard,
seats wheneverrhe
determine if a new guide with standard dimensions
valve guides are
would bring the clearance within tolerance. If so,
replaced (page 8·
replace any guides as necessary and ream to fit.
271.
If the stem-to-guide clearance is out of standard
with the new guides, replace the valves and guides.
VALVE GUIDE REPLACEMENT
Chill the replacement valve guides in the freezer
section of a refrigerator for about an hour.
Heat the cylinder head to 100- 150°C (2 12 - 300° F)
with a hot plate or oven.
I
NOTICE
I
Do not use a torch to heat the cylinder head; it may
cause warping.
Support t he cylinder head and drive out the valve
guides from combustion chamber side of the cylin-
der head.
TOOL:
Valve guide driver
07HMD-ML00101
CYLINDER HEAD/VALVES
VALVE GUIDE DRIVER
8-25