Yamaha YZ125
Yamaha YZ125 YZ 125 54mm 54 Athena Stock Bore Cylinder Top End Piston Kit


Starting from $829.98

Athena 54mm Complete Stock / Standard Bore Cylinder Top End Kit!

This is the best and most reliable rebuild kit on the market!

Fits Yamaha YZ125 2 Stroke Dirt Bikes

Select Year Below

This kit includes:
  • 54mm 125cc Nikasil Athena Big Bore Cylinder
  • Athena 54mm Coated Piston Kit (Includes, Piston, Pin, Rings & Clips)
  • Athena Complete Top End Gasket Set
  • Athena Head
  • Athena Head Stud Kit
  • Athena Power Valves


Price: $829.98

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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