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

DIMENSIONS
Inner Diameter
Intake:
Standard (New) 5.505-5.520 mm (0.2167-0.2173 inch)
Service Limit 5.54 mm (0.2181 inch)
Exhaust:
Standard (New) 5.510-5.530 mm (0.2169-0.2177 inch)
Service Limit 5.55 mm (0.2185 inch)

Installed Height
Intake 24.75-25.25 mm (0.974-0.994 inch)
Exhaust 16.05-16.55 mm (0.632-0.652 inch)