Valve Seat, Cut
Place cylinder head on wooden blocks.
Intake and exhaust - use Guide Drift KM - 340 - 7.
Valve seat (II)
- 45° side with KM - 340 - 13.
Upper correction angle (I)
- 30° side with KM - 340 - 13.
Lower correction angle (III)
| - 60° side with KM - 340 - 26. | |||
|---|---|---|---|
| .P. E5322.tif | 9 | 7,5 | tiff;; |
| .D. ICON05.tif | 0,75 | 0,75 | tiff;; Clean |
Cylinder head.
| .D. ICON06.tif | 0,75 | 0,75 | tiff;; Inspect |
Dimension for valve seat width:
1.0 to 1.5 mm (intake).
1.7 to 2.2 mm (exhaust).
| Valve stem projection - use KM - 512 as shown. | |||
|---|---|---|---|
| .P. E5070.tif | 9 | 7,5 | tiff;; |
| .D. ICON06.tif | 0,75 | 0,75 | tiff;; Inspect |
| If dimension 'I' is exceeded, install new valves, then check valve stem projection again. | |||
| .P. D7601.tif | 9 | 7,5 | tiff;; |
| .D. ICON06.tif | 0,75 | 0,75 | tiff;; Inspect |
If valve stem projection is still too large, after replacement of valves, replace cylinder head.
| Before installing valves - see operations 'Valve, Grind' and 'Valve, Grind in'. |