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

Measurement Specifications

Measure the valve in these areas.





Intake Valve Dimensions
A Standard (New): 33.90-34.10 mm (1.335-1.343 inch)
B Standard (New): 114.85-115.15 mm (4.522-4.533 inch)
C Standard (New): 5.485-5.495 mm (0.2159-0.2163 inch)
C Service Limit: 5.455 mm (0.2148 inch)
D Standard (New): 0.85-1.15 mm (0.033-0.045 inch)
D Service Limit: 0.65 mm (0.026 inch)

Exhaust Valve Dimensions
A Standard (New): 28.90-29.10 mm (1.138-1.146 inch)
B Standard (New): 112.85-113.15 mm (4.443-4.455 inch)
C Standard (New): 5.450-5.460 mm (0.2146-0.2150 inch)
C Service Limit: 5.420 mm (0.2134 inch)
D Standard (New): 1.05-1.35 mm (0.041-0.53 inch)
D Service Limit: 0.95 mm (0.037 inch)