Skip to content
Supplier shippingshown before checkoutSame-day dispatch
← Back to shop
TOP END PISTON KIT; YAMAHA 65 YZ 18-23
Offroad

ATHENA

TOP END PISTON KIT; YAMAHA 65 YZ 18-23

SKU P4C0435198001B·Uncategorized
$117.35

Out of stock · stock as of Sep 3, 2026

Shipping calculated at checkout

30-day returns on unused parts

Details

Give your 2-stroke engine the ultimate refresh with this perfectly tuned, all-in-one top-end rebuild kit. Combining a high-performance cast aluminum piston with Athena's legendary top-end gaskets, this package takes the guesswork out of your engine maintenance. The piston is gravity-cast from a premium, high-silicon aluminum alloy and CNC-machined for a flawless profile, ensuring optimal flow and perfect flame propagation. Meanwhile, the included gaskets undergo advanced surface treatments and stress-relieving processes for an unbeatable seal under extreme cylinder pressures. Restore your lost compression, reduce internal friction, and get back to dominating the dirt with race-ready reliability straight out of the box. Complete top-end solution combines a cast 2-stroke piston and gasket kit for a perfectly tuned rebuild Manufactured from high-performance, high-silicon aluminum alloy for exceptional strength and heat resistance Molybdenum disulfide skirt coating drastically reduces friction and internal engine wear Precision CNC-machined profile ensures smooth flow and optimal flame propagation Advanced top-end gaskets feature proprietary surface treatments for maximum sealing reliability Includes: Cast 2-Stroke Piston (Domed Head) Piston Ring (1) Biconical Piston Pin Complete Top End Gasket Kit Piston Size: 43.45mm (B-Size) Pin Dimensions: 12x35x8mm Compression Height: 24.0mm

Specs

Vehicle
Offroad
Weight Lb
0.0
Shipping Class
standard

Related Parts