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 & Exhaust Standard 11.023 - 11.034 Millimeter (mm)
Service 11.223 - 11.234 Millimeter (mm)
Valve Guide Inner Diameter
(Finished size)
Intake 7.000 - 7.018 Millimeter (mm)
Exhaust 7.000 - 7.018 Millimeter (mm)
Cylinder Head Valve Guide Hole Diameter Intake & Exhaust Standard 10.975 - 10.996 mm
Service 11.175 - 11.196 mm
Interferences Fit Of Valve Guide 0.027 - 0.059 mm
Stem To Guide Clearance Intake Standard 0.020 - 0.053 mm
Limit 0.08 mm
Exhaust Standard 0.040 - 0.073 mm
Limit 0.1 mm
Valve Deflection Limit 0.2 mm
Projection Length "L" 13.3 - 13.9 mm