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Wiseco Top End Kit Pro-Lite PK1899 - 14-15 Yamaha YZ250F / WR250F 15-17

Regular price $237.33 USD
Regular price $303.95 USD Sale price $237.33 USD
Sale Sold out

Wiseco Top End Kit Pro-Lite 77.00mm (Std) Yamaha YZ250F 2014-2015 / WR250F 15-17

Wiseco Forged Piston have been setting the performance standards for motocross 4-stroke engines for years. Now Wiseco offers a great performance top end kit for your Yamaha YZ250F or WR250F. Wiseco give you all you need to perform your top end maintenance. What’s in the kit a performance Forged Pro-Lite piston, rings, wrist pin, top end gasket kit, c-clips and wrist pin bearing.

Each Pro-Lite forged piston is manufactured in the USA in Wiseco own plants. The 4-stroke Pro-Light piston is them CNC machined for optimal shape and profile to ensure peak performance and durability.

Specifications - Top end Kit PK1899:

  • 40116M07700 - Yamaha YZ250F '14-15 13.5:1 CR 7700YC
  •     7700YC - 77.00 mm Ring Set .8 x 1.5mm
  •     CW16 - 16mm Round Wire Locks - Set of Two
  •     Ring - Set
  •     S742 – Piston Pin 16 x 41.91mm Non Chromed SW
  •     W6929 – Top End Gasket Kit Yamaha YZ250F '14-18


  • Each Pro-Light piston is built from race proven designs that are chosen by the top race teams in all forms of racing including Supercross, Motocross, GNCC, Superbike, and more
  • Wiseco piston kits feature a complete top end gasket kit that gives you everything you need to complete your rebuild from premium materials.
  • Forged pistons offer superior strength to weight ratio utilizing aerospace alloy.
  • High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power.
  • Part number - PK1899
2014 - 2015 - YZ250F / 2015 - 2017 WR250F / 2015 YZ250FX

Moto-House MX - Choice of Champions - The best Motocross shop in Central Florida. Located in Clermont/Groveland Fl. 


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