Intake And Exhaust Valve Oil Seal
If following conditions are found, use pliers to pinch oil seal and remove it from valve, and replace it new one.
- Lip is damaged
- Spring out of place
- Reconditioning of surfaces for valve and valve seat is necessary
- Replacement of valve guide is necessary
- Place cylinder head on ST1.
- Press-fit oil seal to the specified dimension indicated in the figure using ST2.
CAUTION:
- Apply engine oil to oil seal before press-fitting.
- When press-fitting oil seal, do not use hammer or strike in.
- Differentiate between intake valve oil seal and exhaust valve oil seal by noting their difference in color.
- ST1 498267800 CYLINDER HEAD TABLE
- ST2 498857100 VALVE OIL SEAL GUIDE
Color of rubber part:
- intake [Black]
- Exhaust [Brown]
Color of spring part:
- Intake [Silver]
- Exhaust [Sliver]