Place cylinder head on two wooden strips insert tool into valve guide.
Position correct cutter on valve seat and using light pressure achieve a minimal removal of material.
- = 75°
- = 45°
- = 15°
Coat valve seat with fine grinding paste and insert valve in guide turn valve 1/6th of a rotation using thumb pressure.
Remove valve and check valve seat contact pattern. If valve doe not fit perfectly recut seat slightly again.
Grind-in valves - see operation "Valve Grind-in".
