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TOP END PISTON KIT; YAMAHA 250 WR-F / YZ-F 14-15
Offroad

ATHENA

TOP END PISTON KIT; YAMAHA 250 WR-F / YZ-F 14-15

SKU P5F0770187008B·Uncategorized
$236.56

Out of stock · stock as of Sep 3, 2026

Shipping calculated at checkout

30-day returns on unused parts

Details

Breathe new life into your 4-stroke enduro engine with Athena's Forged Top End Piston Kit. Designed for riders who expect maximum performance and reliability, this complete rebuild kit pairs a precision-forged piston with Athena's premium top-end gasket kit for a hassle-free installation and race-proven durability. Manufactured using a reverse extrusion forging process and precision CNC machining, the piston delivers exceptional strength, superior heat resistance, and consistent power output, while premium Japanese piston rings and Athena's advanced gasket technology provide outstanding sealing and long-lasting performance. Complete top-end rebuild kit featuring a forged 4-stroke piston and premium gasket set Reverse-extruded forged aluminum piston for maximum strength and durability Precision CNC-machined for OEM-quality fit and consistent performance Premium Japanese piston rings with wear-resistant coatings reduce friction and extend engine life Forged side relief skirt design improves stability, reduces wear, and promotes smooth engine operation Premium gasket materials provide dependable, leak-free sealing under demanding riding conditions Includes: Forged 4-Stroke Piston Piston Rings (2) Piston Pin / Wrist Pin Circlips Complete Top End Gasket Kit Piston Size: 76.97mm Displacement: 250cc Compression: 13.5:1 Piston Type: Forged Skirt Design: Forged Side Relief Compression Height: 20.40mm Piston Pin: Standard Big End Pin Diameter: 16 x 10 x 42mm

Specs

Vehicle
Offroad
Weight Lb
0.0
Shipping Class
standard

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