CYLINDER HEAD
Page 4A-30 90-828631R3 MARCH 1999
Valve Guide Replacement
1. Heat the cylinder head in an oven to 390° F (200°C). This will help to ease guide removal
and installation and to maintain correct interference fit.
2. Remove the valve guide using a valve guide remover.
55806
a
a-Valve Guide Remover (91-809495A1)
3. Install the new valve guide and circlip using a valve guide installer bushing along with
the valve guide remover.
55807
a
b
a-Valve Guide Remover (91-809495A1)
b-Valve Guide Installer Bushing (91-809496A1)
4. After installing the valve guide, ream the valve guide using a valve guide reamer to ob-
tain proper stem-to-guide clearance.
55808
a
a-Valve Guide Reamer (91-809497A1)
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