Excess Oil Consumption

We listed possible causes of the problem excess oil consumption:

1. Improper grade of oil
2. Improper venting of oil system
3. Piston rings worn, broken or incorrectly installed
4. Breather line exiting in low pressure area and blocked or missing vacuum break hole on breather line
5. Cracked pistons
6. Defective supercharger seal
7. Piston oil drain holes clogged
8. Oil pressure too high
9. Too much clearance between intake valve and guide

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