Restore dependable top-end performance with the Vertex Pistons VTK24212A-2 piston kit, designed for select KTM 85 SX, KTM 85 SXS, and Husqvarna TC85 85cc two-stroke motorcycles. The exact-fit A piston is matched to the cylinder bore to help maximize power and performance while reducing blow-by and oil consumption. This complete kit includes the piston, piston rings, wrist pin, and circlips required for installation.
The piston skirt features a high-tech molybdenum disulfide (MoS2) coating that supports faster break-in and helps increase piston service life. Vertex Pistons heat treats the piston using a T-5 hardening and tempering cycle to promote durability under demanding riding conditions. The result is a carefully engineered replacement solution for riders and technicians seeking reliable fitment and consistent engine performance.
This Vertex Pistons piston kit fits 2010 through 2014 KTM 85 SX models in 17/14 and 19/16 configurations, 2012 through 2014 KTM 85 SXS models, and the 2014 Husqvarna TC85 17/14. Verify the motorcycle model, year, wheel configuration, and cylinder requirements before installation. This product is intended for powersports applications and is not California Air Resources Board approved.
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