Yamaha YZ125
Yamaha YZ125 YZ 125 58mm 144cc Athena Big Bore Cylinder Crank Rebuild Kit


Starting from $1,049.98

Athena 58mm 144cc Complete Big Motor Rebuild Kit!

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

Fits Yamaha YZ125 2 Stroke Dirt Bikes

Select Year Below 

(Check Motor Vin To Confirm Year Before Ordering)

This kit includes:

  • 58mm 144cc Nikasil Athena Stock Bore Cylinder
  • Athena 58mm Coated Piston Kit (Includes, Piston, Pin, Rings & Clips)
  • Athena Head
  • Athena Head Stud Kit
  • Athena Power Valves
  • Wiseco Heavy Duty Crank Shaft 
  • Wiseco Heavy Duty Main Bearings
  • Wiseco Wrist Pin Bearing
  • Bottom End Oil Seals Kit
  • Complete Motor Gasket Set
When Installing this on 1997-1998 You Must Use The Head Pipe From A 1999-2003

All parts come with warranty.

We ship worldwide & ship all domestic orders free!


Price: $1,049.98

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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