2Bros Parts

PISTON KIT 20-22 YZ450F YAMAHA 97.00MM, FORGED WOSSNER 8965DC

£150.08

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Wossner 8965DC forged piston kit for bore 97.00mm. Piston size 96.98mm. Features superior strength and design engineered for optimal combustion chamber heat transfer to cylinder walls. Elliptically designed for uniform surface under heat expansion, eliminating localized pressure and distributing thrust loads evenly to prevent piston collapse. Made in Germany. Includes clip part number CW18, pin part number WP054, and two ring version part number RIK97.00.

Specifications
SKU
56-W4787.C.WO
Brand
Wossner
Availability
In Stock (2)

Fitments (13)

MakeModelYear
FANTICXEF 4502022
FANTICXEF 4502023
FANTICXEF 4502024
FANTICXXF 4502022
YAMAHAWR 450F2021
YAMAHAWR 450F2022
YAMAHAWR 450F2023
YAMAHAYZ 450F2020
YAMAHAYZ 450F2021
YAMAHAYZ 450F2022
YAMAHAYZ 450FX2021
YAMAHAYZ 450FX2022
YAMAHAYZ 450FX2023
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
97mm
Variant Id
291312
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner 8965DC Forged Piston Kit 97.00mm

This Wossner piston kit is engineered for superior performance and durability. Featuring a 97.00mm bore size, this kit is designed as a standard replacement part (STD) for specific Yamaha models.

Key Features:

  • Forged Construction: Wossner forged pistons offer exceptional strength and advanced design compared to cast pistons.
  • Optimized Heat Transfer: Engineered to efficiently transfer combustion chamber heat to the cylinder walls, promoting optimal engine operating temperatures.
  • Elliptical Design: The piston features an elliptical shape that accounts for heat expansion. This design ensures a uniform surface under heat stress, preventing localized pressure and distributing thrust loads evenly to avoid piston collapse.
  • German Engineering: Manufactured in Germany, ensuring high-quality standards and precision.
  • Included Components: This kit includes a high-performance piston, clips (Part No CW18), pin (Part No WP054), and a two-ring set (Ring Part No RIK97.00).
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

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