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RMS Cylinder Kit 70cc d=47mm Vespa 50

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RMS Item no.: R100080281

RMS Cylinder Kit 70cc d=47mm Vespa 50

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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. Apart from OEM quality parts, RMS designs tuning parts so you can boost your moped / scooter engine.

This is a RMS Cylinder Kit 70cc Vespa 50cc; the 47mm bore will boost your Vespa from the original 50cc to impressive 70cc. It is a "Sport" cylinder, so you will notice a nice increase in torque and wider power band. More power means you have to adjust the rest of your set-up a bit - we definitely recommend a reinforced crankshaft capable of dealing with the increase in power.


  • complete kit: cylinder + cylinder head + piston + gaskets
  • 47mm diameter => 70cc
  • for Vespa 50cc
Additional Information
Name RMS Cylinder Kit 70cc d=47mm Vespa 50
Item No. R100080281
Brand RMS
Homologation Yes
Displacement 70cc
Stroke Original
Conrod Length Standard
Product Line Sport
Material Cast Iron
Engine Type 2-stroke
Cooling Type AC
Bore 47 mm
Piston Pin Original
Number of Piston Rings 2
Cylinder Head Included
Fits to (22)

Your product goes with the following manufacturers and their models:

Vespa Classic
50cc N 1963 - 1971 (V5A1T), 50cc N 1989 (V5X5T), 50cc PK 1982 - 1984 (V5X1T), 50cc R 1969 - 1983 (V5A1T), 50cc Rush 1988 (V5X4T), 50cc Special 1969 - 1972 (V5A2T), 50cc Special 1973 - 1975 (V5B1T), 50cc Special 1975 - 1983 (V5B3T), 50cc Sprinter 1971 - 1979 (V5SS2T), PK 50cc S 1982 - 1984 (V5X2T), PK 50cc S Automatic 1984 (V5A1T), PK 50cc S Elestart 1983 - 1984 (V5X2T), PK 50cc XL 1985 (V5X3T), PK 50cc XL Elestart 1985 (V5X3T), PK 50cc XLS 1985 (V5S2T), PK PKS PKXL 50cc SS (V5S1T), PK PKS PKXL 50cc XL2 (V5N1T), PK PKS PKXL 50cc XL2 HP (V5N2T), V50 V90 PV ET8 50cc Special Elestart (V5A3T), V50 V90 PV ET10 50cc Special Elestart (V5B2T), V50 V90 PV ET12 50cc Special Elestart (V5B4T), V50 V90 PV ET14 50cc SR 1975 (V5SS2T)