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 Stem To Guide Clearance:
Standard Value:
Intake 0.020 - 0.050 mm (0.008 - 0.0019 inch)
Exhaust 0.050 - 0.085 mm (0.0019 - 0.0033 inch)
Limit:
Intake 0.1 mm (0.004 inch)
Exhaust 0.15 mm (0.006 inch)