Inner diameter of the valve guide - use Dial Gauge MKM-571-B and internal measuring instrument. Valve oversizes may already be fitted in production. Oversize identification: at the valve guide and at valve shaft end with the following codes - see "Technical Data".
|
Size |
Reamer |
Code |
|
|
|
Production |
Service |
|
Normal |
|
none |
K |
|
0.075 mm |
KM-664 |
1 |
K1 |
|
0.150 mm |
KM-664 |
2 |
K2 |
|
0.250 mm |
KM-664 |
- |
A |
Ream valve guide from upper side of the cylinder head to next oversize. After reaming, cross out identification and drive in new identification. | 
Measure 