Big Bore Complete Cylinder Kit

New Athena 70CC Cylinder Kit 2002-2011

ALUMINUM CYLINDER WITH NICKEL-CARBIDE COATING

CYLINDER HEAD

HIGH PERFORMANCE MATCHED COMPLETE PISTON KIT

2 CARBON PERFORMANCE REEDS

ATHENA GASKET SET

EASY TO FOLLOW DIRECTION

  • Kits come complete with aluminum cylinder (with a nickel carbide-plated 47.66mm bore), cylinder head, piston assembly (piston, rings, 10mm wrist pin and circlips), carbon reeds and all required top-end gaskets
  • Optional high-performance crankshafts (sold separately) replace OEM and are manufactured to Athena's highest standards
  • Replacement top-end gasket kits and piston kits also available separately
2002YamahaZuma 50
2003YamahaZuma 50
2004YamahaZuma 50
2005YamahaZuma 50
2008YamahaZuma 50
2009YamahaZuma 50
2010YamahaZuma 50
2011YamahaZuma 50
2012YamahaZuma 50F
2013YamahaZuma 50F
2014YamahaZuma 50F
2015YamahaZuma 50F
2014YamahaZuma 50FX
2015YamahaZuma 50FX
1997YamahaJog 50
1998YamahaJog 50
1999YamahaJog 50
2000YamahaJog 50
2001YamahaJog 50
2012YamahaBig Wheel 50

This item will ship SAME business days (Monday-Friday) after payment has cleared. International shipping time can be up to 1-2 weeks for processing and customs.

Buyer pays fixed shipping costs. Delivery Time: Allow 2-4 business days for delivery of items in the continental United States. Allow 4-6 business days for shipments to Alaska, Hawaii and International Orders. We are not responsible for carrier or customs delays. All customs costs for international orders are the responsibility of the buyer.

You must notify us in advance of all returns for authorization. Returns must be postmarked within 30 days of original shipment date, and must be in original shipped condition, including all packaging. All shipping costs are the responsibility of the buyer except in the case where we have shipped you the wrong item. All returns may be subject to a restocking fee.

Our dealership has a rock-solid reputation of providing excellent service, support, and satisfaction. We pride ourselves on giving our customers the best service available, the best parts and accessories, and a staff that understands all aspects of our business.

How do we stay small and sell big? It's simple: years of experience. At Apex Racing, our mission is to offer you the latest in parts and products, at the best prices, and with unparalleled service. We pledge to use our best efforts to make your experience both beneficial and enjoyable. Once you give us a try, we're sure you'll be back for more!