Polini 47mm Horizontal Minarelli Corsa Cylinder Kit

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SKU: 146-50

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Current Stock: 5

Polini Corsa 47mm (70cc) Horizontal Minarelli Big Bore Cylinder and Head Kit. Kit includes cylinder, aluminum cylinder head, piston, rings, piston pin and bearing, cir clips, head gasket, base gasket, exhaust gasket, exhaust studs, and spark plug.

When you use this Polini 47mm Big Bore Kit in conjunction with your stock crankshaft you will increase your total displacement to 70cc! The manufacturer claims 11.5bhp at 10,600RPM is possible with this kit.

Fits the following and more:

  • Yamaha Jog and Zuma (02-12)
  • Aprilia Scarabeo 50
  • Malaguti Ciak, F10, F12 and F15 A/C, and Yesterday 50
  • PGO Big Max
  • Genuine Buddy 50 and Roughhouse 50
  • Eton Beamer 2

Please see our Warranty & Returns Policy.

*You may need to modify your engine case to accommodate the larger cylinder.

  • Upgrades to 70cc
  • Ships from Factory with Ring Installed on Piston
  • Cylinder Bore: 47mm
  • Cylinder Sleeve Outer Diameter: 50.8mm
  • Wrist Pin Diameter: 10mm
  • Includes a Champion RN2C/818C Spark Plug (14mm Thread, ¾" Reach)
Aprilia, Eton Beamer II (49cc) 05-06, Genuine Buddy 50, Genuine Roughhouse 50, Malaguti Ciak 50 (49cc) '02-'05, Malaguti F12 Phantom (49cc) '02-'05, Malaguti F15 Firefox (49cc) '02-'05, Malaguti Yesterday (49cc) '01-'06, Yamaha, Yamaha Jog

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