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Vertex Top End Piston Kit - 1999-2022 Yamaha YZ250/ 2016-2022 YZ250X

Regular price $168.26 USD
Regular price $197.95 USD Sale price $168.26 USD
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Vertex Top End Piston Kit - 1999-2022 Yamaha YZ250/ 2016-2022 YZ250X

To maintain peak performance and prevent damage to the cylinder plating, it is recommended by most OEM manufacturers to replace the piston and rings every 25-30 hours on small-bore motocross engines.
As the leading supplier of 2-stroke pistons to Husqvarna and KTM, Vertex Pistons has a renowned reputation for exceptional performance and state-of-the-art manufacturing processes. Their Yamaha YZ250 Top-End piston kits are expertly crafted using premium aluminum alloys with an 18% silicon content for reliable and long-lasting results.

Vertex Top End Pistons Kit:

  • Vertex piston skirts are coated with a high-tech Molybdenum Disulfide coating. This allows for faster break-in time and increased piston life
  • Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston
  • All pistons are heat treated with a T-5 hardening and tempering cycle
  • All rings are OEM replacements
  • Top end piston kit includes piston, rings, pins, circlips, top end gaskets, and wrist pin bearing or cam chain where applicable
  • Fits the Yamaha YZ250 1999-2022 / Yamaha YZ250X 2016-2022
  • Vertex Part number Top End A Kit - VTK22584A-2 / Top End B Kit - VTK22584B-2
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