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)

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Valve Guide - Clearance





VALVE GUIDE CLEARANCE
Valve deflection limit (Dial gauge reading):
Intake & Exhaust...............0.2 mm (0.008 inch)

Valve to valve guide clearance = valve guide inner diameter - valve stem diameter:
Standard
Intake......................0.020 - 0.053 mm (0.0008 - 0.0021 inch)
Exhaust....................0.040 - 0.073 mm (0.0016 - 0.0029 inch)

Limit
Intake..........................0.08 mm (0.0031 inch)
Exhaust.........................0.1 mm (0.004 inch)