Valve grinding (VW Beetle)

Intake valves that are to be reused and have minor signs of wear or burnout on their seating surfaces can be machined on a lathe or grinder.

Caution! Exhaust valves must not be machined!

Size	Kafer 1200 cars	Kafer 1300/1600 cars
Inlet valve
a	31.5 mm	35.6 mm
b	7.94-7.95 mm	7.94-7.95 mm
with	112 mm	112 mm
d	44°	44°
Exhaust valve
a	30.0 mm	30.1 mm
b	7.91-7.92 mm	8.91-8.92 mm
with	112 mm	112 mm
d	45°	45°

When machining the inlet valve, the dimension d must not be allowed to be less than 0.5 mm.

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