Description
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: Fits and compatible with 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)
SUPPORTED MODELS: 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, Fits and compatible with Yamaha, Fits and compatible with Yamaha Jog