Valve Guide - Ream

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Measure the diameter of the valve guide using gauge KM-571-B and a commercially available inside micrometer.

Fig 1: Measuring Diameter Of Valve Guide
Courtesy of SUZUKI OF AMERICA CORP.

An oversize service code is on the valve guide and the valve stem end. The following table gives the correct size, reamer, and production code for each service.

VALVE GUIDE AND VALVE STEM END REFERENCE CHART

Size	Reamer	Production Code	Service Code
Normal	-	-	K
0.075	KM-805	1	K1
0.150	-	2	K2

Ream the valve guide from the upper side of the cylinder head to the next oversize.
After reaming, cross out the code and emboss the valve guide with the new code.

Fig 2: Identifying Valve Guide Reamer (KM-805) On Upper Side Of Cylinder Head
Courtesy of SUZUKI OF AMERICA CORP.