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Wössner Pistons 8321D100 Single Ring Forged Piston Kit for Yamaha - YZ125/YZ125X

Part of: Wössner Pistons Single Ring Forged Piston Kit for Yamaha

Other options in this family: Wössner Pistons 8220DB

Manufacturer

Picture for manufacturer Wössner Pistons

Part Number

8321D100
7 reviews
Sale Price

$106.17

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Wössner 8321D100 is a premium forged piston kit engineered for Yamaha YZ125 (2022-2026) and YZ125X (2023-2026) dirt bikes. This single-ring piston design features precision German engineering and is manufactured from high-grade 4032 aluminum alloy for exceptional strength and durability.

Key Features:

  • Forged construction with complete CNC machining for superior accuracy
  • 54.95mm bore size (+1.0mm oversize)
  • Unique PTFE coating on piston skirts allows tighter bore tolerances and easier break-in
  • Polished crown resists detonation and distributes heat evenly
  • Lightweight design reduces wrist pin stress and bearing fatigue
  • Complete kit includes piston, ring, wrist pin, and retaining clips

Wössner Pistons are trusted by professional Supercross, Arenacross, and MX GP racing teams worldwide. As an OEM supplier to major motorcycle manufacturers, Wössner delivers unmatched fit and finish for high-performance two-stroke applications. The lightweight forged design and precision machining make this an ideal choice for racers and enthusiasts seeking maximum performance and reliability.

Fast and easy ordering.

Just fulfilled my expectations!

My order was delivered much sooner than I expected. I'm very pleased with your service!

just what I needed today !!!!!!!!!!!!!

No comment

quick and easy

The product description was spot on which helped me determine it was the right item for me. The item was a very reasonable price. Shipping was prompt. I would recommend this vendor to a friend and would purchase from them again.

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