Arctic Cat 650 Twin2004, Service Manual

Page: 48 / 210

3-19
3
CC131D
3. Push the valve from side to side; then from top to
bottom.
4. Maximum “wobble” deflection must not exceed
specifications.
Measuring Valve Guide
(Inside Diameter)
1. Insert a snap gauge 1/2 way down into each valve
guide bore; then remove the gauge and measure it
with a micrometer.
2. Acceptable inside diameter range must be within
specifications.
3. If a valve guide is out of tolerance, it must be
replaced.
Replacing Valve Guide

NOTE: If a valve guide is worn or damaged, it
must be replaced.
1. If a valve guide needs replacing, insert a valve
guide remover into the valve seat side of the valve
guide. Using a hammer, gently drive the valve
guide out of the cylinder head.
CC137D
2. Using the Standard Valve Guide Reamer (p/n
0444-017), remove any burrs or tight areas from
the valve guide journals.
CC142D
3. To install a valve guide, use a valve guide installer
and gently drive a valve guide with a retaining clip
into the bore from the valve spring side until the
retaining clip just contacts the cylinder head.
CC143D
4. After installing the guide, use the standard valve
guide reamer to remove all burrs and tight areas
that may remain in each valve guide.
CC138D