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 bushing inside diameter 5.510 - 5.530 mm (0.2169 - 0.2177 inch)

Valve guide Bushing oil clearance
Standard Intake 0.025 - 0.060 mm (0.0010 - 0.0024 inch)
Exhaust 0.030 - 0.065 mm (0.0012 - 0.0026 inch)
Maximum Intake 0.08 mm (0.0032 inch)
Exhaust 0.10 mm (0.0039 inch)

Valve guide bushing bore diameter
STD 10.285 - 10.306 mm (0.4049 - 0.4058 inch)
O/S 10.335 - 10.356 mm (0.4069 - 0.4077 inch)

Valve guide bushing protrusion height 8.7 - 9.1 mm (0.343 - 0.358 inch)