Athena 70cc Cylinder Kit for Yamaha Zuma

2003 and up for horizontal engines.

Simply the best kit for Yamaha Zuma that is very forgiving and works for all in all types of set ups.

A pipe and carb help a lot. A 17.5 auto and 19mm manual are great additions as well as Leo Vince ZXR pipe all found here.

Racing cylinder is a high quality aluminum cylinder with an extremely hard chrome plated cylinder coating.

The exhaust port with is large for longer valve timing and a much higher compression. We definitely recommend at least a 17.5 carburetor he still better to use a 19mm carburetor.

Kit comes with:
• Cylinder
• Piston Kit with Rings and 10mm Wrist Pin w/circlips
• Gaskets (3)
• Reeds to add more gas and better gas flow
  
  We do suggest adding a jet, air filter plus an exhaust to for over all best performance.
  
  This features an aluminum cylinder with nickel carbide plated bore.
  
  Because the cylinder is aluminum rather than cast iron the engine stays cooler and cools down quickly. This will produce more even power and make better use of oil plus the engine will last longer so you get a much better value than cast iron.
  
  47.6mm bore gives you 70cc of pure power, remember you will need more air and gas to get the full effect.
  
  
  
  Scootertronics uses Athena kits in our Zuma racing scooters along with MRP products and Polini products.