Piston Rings d=47.4mm for RMS cylinder (R100080281) 70cc Vespa 50
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Description
RMS, Italy, is a prolific manufacturer of OEM quality aftermarket parts for many scooter brands, including Vespa Vintage and Vespa Modern parts. Their catalogue is extensive, with equipment made for even the most vintage models.
This RMS Piston Rings 47.4 x 1.5mm is a spare part for the 70cc cylinder by RMS for Vespa (article no. R100080281). They are meant for the oversize 47.4mm piston.
- set of 2 piston rings
- d = 47.4mm
- for RMS cylinder 70cc
piston ring
Piston rings are sealing elements. They are inserted into the grooves of the piston to ensure sealing between the piston and the cylinder wall. Piston rings vary in size and shape and can be chrome-plated or cast iron, depending on the type of cylinder.
2-stroke piston Ring
The upper ring (often chrome-plated) is fireproof and seals the combustion chamber. The lower ring provides lubrication to the cylinder liner. 1-ring pistons perform both functions, but this results in a shorter service life.
4-stroke piston Rings
The upper ring also has the function of sealing the combustion chamber, while the middle ring collects excess oil and contributes to engine compression. The lower ring, known as the oil scraper ring, prevents engine oil from entering the combustion chamber.
Piston rings play a crucial role in the proper functioning and service life of the cylinder, whether on a motorcycle, scooter or moped.
| Piston Rings d=47.4mm for RMS cylinder (R100080281) 70cc Vespa 50 | |
|---|---|
| Article no. | R100100284 |
| EAN | 1001002840001 |
| Weight | 0,08 kg |
| Brand | RMS |
| Product type | Piston ring |
| Homologation | Yes |
| Stroke | Original |
| Conrod length | Standard |