How can I determine whether my piston is reusable so as to replace just the piston rings?

The most common problem of a piston that needs replacement is in case there are scratches on its body.

What other parts I may need to replace when replacing the piston rings?

To replace the piston rings you need to disassemble the engine, so you also need to replace the cylinder gasket.

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Piston Ring Set for RUGGERINI Engines (85mm) [#A2277, #00A22R0770, #0082110090]

$34.93

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MD85.0, MD 85.1
MD95.0, MD 95.1
MD170
MD171
MD190
MD191
MD196
MD199
MD350, MD350NR
MD351
MD358
RD200
RD201
RD208

Details

This listing is is about a brand new after-market top-quality Piston Ring SetTips for safely installing piston rings for 1 piston with diameter 85mm (STD), which fits the above RUGGERINI models, and replaces OEM Part Numbers #A2277, #00A22R0770 and #0082110090.

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Specifications

Specifications
Country of Origin	Italy
Product Code	1008566
Compatible Brand	RUGGERINI
Compatible Models	RUGGERINI MD85.1, MD85.0, RD200, MD358, RD208, MD199, MD351, MD196, MD190, MD191, MD170, RD201, MD171, MD95.1, MD95.0, MD350
OEM Part #	A2277, 00A22R0770, 0082110090

Questions (2)