Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Valve Guide

Valve Guide Outer Diameter Intake Standard 10.023 - 10.034 Millimeter (mm)
Limit 10.223 - 10.234 Millimeter (mm)
Exhaust Standard 10.023 - 10.034 Millimeter (mm)
Limit 10.223 - 10.234 Millimeter (mm)
Valve Guide Inner Diameter
Finished Size
Intake 6.000 - 6.018 Millimeter (mm)
Exhaust 6.000 - 6.018 Millimeter (mm)
Cylinder Head Valve Guide Hole Diameter Intake Standard 9.975 - 9.996 Millimeter (mm)
Limit 10.175 - 10.196 Millimeter (mm)
Exhaust Standard 9.975 - 9.996 Millimeter (mm)
Limit 10.175 - 10.196 Millimeter (mm)
Interference Fit Of Valve Guide 0.027 - 0.059 Millimeter (mm)
Valve Deflection Limit 0.2 Millimeter (mm)
Projection Length "L" 14.0 - 14.2 Millimeter (mm)