Vespa VNB1-C / VNX Piston Rng (52.7, 1st Oversize, Dyke L Shape)

Replacement Piston Ring for Vespa VNB1-C and VNX

This single piston ring is made for the Vespa VNB1-C and VNX models. It is 52.7mm in diameter, falls into the first oversize category, and has a Dyke L profile. Like other vintage Vespa scooter parts, it plays a key role in keeping the engine running well.

Purpose of This Part

Piston rings help seal the combustion chamber. Once they start to wear, you may notice more smoke, higher oil use, and lower engine compression. This replacement ring helps restore a proper seal and keeps the engine running efficiently.

Specifications

• Size: 52.7mm
• Type: 1st Oversize
• Shape: Dyke L
• Fits: Vespa VNB1-C and VNX engines with a 52.7mm bore (1st oversize piston)

Compatibility

Fits:

• Vespa VNB1-C (1st oversize piston, 52.7mm)
• Vespa VNX (1st oversize piston, 52.7mm)

How to choose: Confirm that the bore of your piston and cylinder measures 52.7mm, and only use this ring if your piston is already 1st oversize.

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