PRE-RELEASE

Valve seats

Valve seats

Use a valve cutter set with T-wrench, locating spindle part no. 83 93 928, valve seat cutters part no. 83 93 936 (60°) and part no. 78 61 040 (45°).





Valve seat angle:

Inlet and exhaust valves: 45.25° ± 0.25

Regrinding angle:

Inlet and exhaust valves: 60°

Valve seat width:

Intake valve: 1.0 - 1.5 mm

Exhaust valve: 1.5 - 2.0 mm

PRE-RELEASE

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