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 Inspection

Inspection
1. Remove the valves.





2. Measure the valve in these areas.
Intake Valve Dimensions
A Standard (New): 34.90 - 35.10 mm (1.374 - 1.382 inch)
B Standard (New): 115.70 - 116.30 mm (4.555 - 4.579 inch)
C Standard (New): 5.485 - 5.495 mm (0.2159 - 0.2163 inch)
C Service Limit: 5.455 mm (0.2148 inch)
Exhaust Valve Dimensions
A Standard (New): 29.90 - 30.10 mm (1.177 - 1.185 inch)
B Standard (New): 113.90 - 114.50 mm (4.484 - 4.508 inch)
C Standard (New): 5.450 - 5.460 mm (0.2146 - 0.2150 inch)
C Service Limit: 5.420 mm (0.2134 inch)