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  • Feature a cast aluminum cylinder with a nickel carbide plated bore
  • All kits come with a cylinder, cylinder head, piston assembly (piston, rings, wrist pin, and circlips), carbon reeds and all top end gaskets
  • Carburetor, listed below, is recommended for these big bore kits.
  • Crankshafts are a great alternative to an OEM replacement crankshaft and are manufactured to the highest standards
  • Replacement piston kits and top end gasket sets are available separately

 
This item fits the following models:
 
Aprilia Scarabeo 50 2T 2004 - 2006
Yamaha CW50 Zuma II 1997 - 2001
Yamaha CY50 Jog 1992 - 2001
Yamaha YJ50 Vino 2001 - 2004
Yamaha YJ50RA Vino Classic 2002 - 2005
Yamaha YW50 Zuma 2002 - 2011
Yamaha Zuma 50F 2012 - 2015