2Bros Parts

PISTON KIT B 97MM YAMAHA YZ 450 10-13, ATHENA S5F09700002B

£190.48

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Forged Piston Kit B 97mm. This Athena piston is made from a special high-performance aluminum alloy with a high silicon content, ensuring reliability and greater resistance. Produced with cutting-edge CNC machining tools, it guarantees dimensional tolerances of less than 0.01 mm. Some piston skirts feature a molybdenum disulfide coating applied by screen printing to reduce friction, enhancing performance and durability. The piston rings, produced in Japan with wear-resistant coatings (PVD or chromium nitride), increase durability and adapt perfectly to the cylinder liner. This kit contains the piston, pin, circlips, and piston rings. Technical features: Bore Diameter 96.96 mm, Compression Height 24.00 mm, Compression Ratio 12.5:1, Displacement 450 cc, Number Of Segments 3, Piston Pin Type Standard, Piston Type Forged.

Specifications
SKU
56-W261.B.ATH
Brand
Athena
Availability
In Stock (2)

Fitments (8)

MakeModelYear
YAMAHAYZ 450F2010
YAMAHAYZ 450F2011
YAMAHAYZ 450F2012
YAMAHAYZ 450F2013
YAMAHAYZF 4502010
YAMAHAYZF 4502011
YAMAHAYZF 4502012
YAMAHAYZF 4502013
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
97mm
Variant Id
289778
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Athena Forged Piston Kit B - 97mm Bore

Enhance the performance and durability of your motorcycle with the Athena Forged Piston Kit B. Crafted using advanced reverse extrusion and cutting-edge CNC machining, this piston ensures exceptional dimensional accuracy with tolerances of less than 0.01 mm. Made from a specialized high-performance aluminum alloy rich in silicon, it offers the reliability of original equipment (OE) pistons while delivering superior resistance and performance.

The piston features a perfectly smooth profile designed for optimized flow and efficient flame propagation. Some models include a molybdenum disulfide coating applied via screen printing to further reduce friction, boosting both performance and lifespan.

Athena engineers are dedicated to providing advanced technical solutions and the highest quality standards, meeting or exceeding OE production requirements for guaranteed performance and reliability. Each piston is meticulously engineered in Italy by the Athena R&D department and rigorously tested on engine dynamometer benches and on the track under extreme conditions.

This piston kit includes the piston, pin, circlips, and piston rings. All components are designed for replaceability and interchangeability. The included piston rings, produced in Japan with wear-resistant coatings (PVD or chromium nitride), minimize friction with the cylinder liner for higher performance and extended durability, adapting precisely even at low tangential loads.

Key Features:

  • Piston Type: Forged
  • Bore Diameter: 96.96 mm
  • Compression Height: 24.00 mm
  • Compression Ratio: 12.5:1
  • Displacement: 450 cc
  • Number of Piston Segments: 3
  • Piston Pin Type: Standard
  • Big End Pin Diameter: 18x10.5x44.5 mm
  • Net Weight: 0.36 Kg
  • Includes piston, pin, circlips, and piston rings
  • Components are replaceable and interchangeable
  • High-silicon aluminum alloy for enhanced performance and durability
  • Smooth profile for optimal flow and flame propagation
  • Some skirts feature molybdenum disulfide coating to reduce friction
  • Piston rings produced in Japan with wear-resistant coatings
Before you buy

QUESTIONS? JUST ASK

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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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