- Ensure valve seat contacts center of valve face. Ensure seat contact width is .047-.063" (1.2-1.6 mm).
- If point of contact on valve face is too high (closer to stem), remove stock from bottom of valve seat using 60-degree grinding stone.
- If point of contact on valve face is too low (closer to margin), remove stock from top of valve seat using grinding stone of specified angle. See «SEAT CORRECTION ANGLES TABLE»(ref-48846-S23017537022001011500000) .
- Lightly finish seat with 45-degree grinding stone after removing material from top or bottom of seat.
| Application | Angle | |
|---|---|---|
| B2200 | ||
| Exhaust | 15° | |
| Intake | 25° | |
| MX-6 & B2200 | ||
| Exhaust | 15° | |
| Intake | 35° | |
SEAT CORRECTION ANGLES