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

Dimensions

DIMENSIONS
Height:
New Head 139.400-139.600 mm (5.4923-5.5002 inch)
Minimum After Resurface 139.000 (5.4766 inch)
Lifter Bores 33.000-33.016 mm (1.3002-1.3008 inch)
Valve Guide Bore 12.000-12.018 mm (0.4728-0.4735 inch)
Valve Installed Height Clearance With Gague Tool No. 83 93 753, Or Equivalent:
Minimum 19.5 ± 0.05 mm
Maximum 20.5 ± 0.05 mm
Nominal 20.2 mm