Valve Stem And Valve Guide; Clearance - TGB EST 1000 Service Manual

VALVE OUT OF ROUND

Valve Stem and Valve Guide

Clearance

▪ Using a micrometer and a small gauge
measure valve stem and valve guide in three
places.
NOTE: Clean valve guide to remove carbon
deposits before measuring.
▪ Change valve if valve stem is out of
specification or has other damages such as
wear or friction surface.
▪ Replace valve guide out of cylinder head if
valve guide is out of specification or has other
damages such as wear or friction surface.
5-2. ENGINE TOP END
5-2-13