Valve, Intake/Exhaust

All Specifications Given In Inches Unless Otherwise Noted.

Stem Diameter
Intake 0.3126 - 0.3134 [09]
Exhaust 0.3126 - 0.3134 [09]
Installed Height --
Valve Recess 0.039-.060
Maximum Tip Refinish --
Face Angle, degrees [02]
Margin [01]
Intake 0.031
Exhaust 0.031
Valve Clearance
Intake 0.010 [03]
Exhaust 0.020 [03]

Footnotes:

Adjust valves when the engine is cold, below 60°C (140°F)

[02] - Intake 30°
Exhaust 45°
[03] - Adjust specification for cold engine.
[09] - Standard diameter. Valve should be replaced if wear exceeds 0.002 inch.