Grind the valve face to the correct angle using a valve refacer [Figure 60-80-29].
Grind the valve seat surface in the cylinder head to the correct angle [Figure 60-80-30].
Check the seat surface and valve face (Item 1) [Figure 60-80-31].
If the seat surface is too wide, use a 15ยฐ cutter on the exhaust or 30ยฐ cutter on the intake (Item 2) to get the correct width (Item 3) [Figure 60-80-31].
