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

Guide-to-Stem Clearance (Wobble Method)
Intake Valve:
Standard (New) 0.04 - 0.09 mm (0.002 - 0.004 inch)
Service Limit 0.16 mm (0.006 inch)

Exhaust Valve:
Standard (New) 0.11 - 0.16 mm (0.004 - 0.006 inch)
Service Limit 0.24 mm (0.009 inch)

Guide-to-Stem Clearance (Valve Guide I.D. minus Valve Stem O.D. Method)
Intake Valve:
Standard (New) 0.020 - 0.045 mm (0.0008 - 0.0018 inch)
Service Limit 0.08 mm (0.003 inch)

Exhaust Valve:
Standard(New) 0.055 - 0.080 mm (0.0022 - 0.0031 inch)
Service Limit 0.12 mm (0.005 inch)

Valve Guide Installed Height:
Intake 21.20 - 22.20 mm (0.835 - 0.874 inch)
Exhaust 20.63 - 21.63 mm (0.812 - 0.852 inch)