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
STD 10.985 - 11.006 mm (0.4325 - 0.4333 inch)
O/S 0.05 11.035 - 11.056 mm (0.4344 - 0.4353 inch)
Valve guide bushing
Inside diameter 6.010 - 6.030 mm (0.2366 - 0.2374 inch)
Outside diameter (for repair part)
STD 11.033 - 11.044 mm (0.4344 - 0.4348 inch)
O/S 0.05 11.083 - 11.094 mm (0.4363 - 0.4368 inch)