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.

$42.59

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Piston Ring Set for LOMBARDINI 7LD740, 8LD 740-2, 8LD740-2L (100.5mm) [#8211004] and related spare parts.

This listing is about a brand new after-market Piston Ring SetTips for safely installing piston rings for the following LOMBARDINISpare Parts for LOMBARDINI engines engine models that fits one (1) piston. This Piston Ring Set has diameter 100.5mm (Oversize +0.5), it replaces OEM Part #8211.004:

Our Piston Rings are branded and come directly from the top-quality and worldwide-known OEM Manufacturer CABER.
Our Piston Rings are made from I-Cast Iron with high bending strength according to ISO STD 6621-3:1990 and DIN 70909.
Protect your valuable machine. Use only Branded & High-Quality Parts. Enjoy thousands hours of safe and trouble-free operation!

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