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

Stem-to-Guide Clearance:
Standard:
Intake 0.018 - 0.069 mm (0.0008 - 0.0028 in.)
Exhaust 0.047 - 0.098 mm (0.0019 - 0.0039 in.)
Max. Allowable Stem-to-Guide Clearance (Rocking Method):
Intake 0.069 mm (0.0028 in.)
Exhaust 0.098 mm (0.0039 in.)