Suzuki DR650SE - Valve Guide Servicing

3·21 ENGINE
VALVE STEM WEAR
If the valve stem is worn down to the limit, when measured
with a micrometer, where the clearance is found to be in
excess of the limit indicated, replace the valve; if the stem
is within the limit, then replace the guide. After replacing
valve or guide, be sure to recheck the clearance.
~ 09900-20205: Micrometer (0-25 mm)
Standard
IN. : 5.475-5.490 mm (0.2156-0.2161 in)
EX.: 5.455-5.470 mm (0.2148-0.2154 in)
VALVE GUIDE SERVICING
• Remove the valve guide toward the camshaft side with
the valve guide remover.
~ 09916-44910: Valve guide remover/installer
NOTE:
* Discard the removed valve guide subassemblies.
* Only oversized valve guides are available as replacement
part. (Part No. 11115-32E70.)
• Re-finish the valve guide holes in cylinder head with the
reamer CD and handle @.
,gOlf 09916-34580: Valve guide reamer
09916-34541: Reamer handle
• Fit a ring to each vi ave guide. Be sure to use new rings
and valve guides.
• Oil the stem hole, too, of each valve guide and drive the
guide into the guide hole with the valve guide installer.
lim 09916-44910: Valve guide remover/installer
I A CAUTION I
Failure to oil the valve guide hole before driving the new
guide into place may result in a damaged guide or head.
• After fitting the valve guides, re-finish their guiding bores
with the reamer @ and handle @. Be sure to clean and
oil the guides after reaming.
lim 09916-34550: Valve guide reamer
09916-34541: Reamer handle