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To keep the rings from rotating on 2 stroke engines. You will not see this on 4 stroke engines.

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11y ago

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What is a piston ring expander?

The purpose of a piston ring expander is to make it easier remove and install piston rings. Because of the low torque they use, they help to prevent damage to the piston rings.


When a piston has three rings the bottom ring will be?

The bottom ring in a piston with three rings is typically the oil control ring. Its purpose is to regulate the amount of oil that reaches the cylinder wall to maintain proper lubrication without excess oil consumption.


How do i check piston oil ring?

You have to disassemble the entire engine, remove the piston and check the rubber ring around that piston.


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What is the minimum number of piston rings?

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What is a pistol ring in a car used for?

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How do you compress the piston rings in an 86 cutlass?

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What does d n mean on a piston ring?

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