03-09 Yamaha YZ450F
10-17 Yamaha YZ450F YZ 450F 102mm 500cc Big Bore Cylinder Athena CP Piston Complete Kit

Part #: (A-YZ450F-1017-102-CG / M345115)
Starting from $589.99

Athena  / CP Carrillo / AZ Quad Parts Conglomerate Kit

102mm 500cc Big Bore Cylinder Top End Kit!

This Is The Best Big Bore Kit On The Market!

Fits Yamaha YZ450F & YZ450FX Dirt Bike Models

Years 2010 2011 2012 2013 2014 2015 2016 2017

This kit includes:
  • 102mm 500cc Nikasil Athena Big Bore Cylinder
  • CP Cariilo Piston Kit (Includes, Piston, Pin, Rings & Clips)
  • 13.5:1 Compression Ratio (We Can Set This For Pump Or Race Gas, Please Specify At Checkout)
  • Piston Kit Will Handle Up To +2mm Bigger Valves!
  • Athena Complete Top End Gasket Set

This is a bolt on kit with no machining required. It will work with your stock head and valves. All parts come with warranty.


Price: $589.99

Photos of 03-09 Yamaha YZ450F 10-17 Yamaha YZ450F YZ 450F 102mm 500cc Big Bore Cylinder Athena CP Piston Complete Kit

FREE STANDARD SHIPPING is available in all US lower 48 states, APO addresses, and Puerto Rico via USPS or UPS. (*Exceptions apply for Alaska and Hawaii.)
Free standard shipping means we will select an option that gets you your parts as soon as possible while still being economically priced.

*Shipments to Alaska and Hawaii are free as long as the parts will fit in a USPS Priority Mail Flat Rate box or envelope.
For any other type of shipping there will be a charge.


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