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 bore diameter 7.003 - 7.029 mm (0.276 - 0.277 inch)
Valve stem diameter 6.947 - 6.965 mm (0.2735 - 0.272 inch)
Valve stem-to-guide clearance 0.140 mm (0.0055 inch) maximum