Skip to product information
1 of 2


Wiseco Top End Kit Pro-Lite PK1922 - 16-18 Yamaha YZ250F

Regular price $204.97 USD
Regular price $276.37 USD Sale price $204.97 USD
Sale Sold out

Wiseco Top End Kit Pro-Lite 77.00mm (Std) Yamaha YZ250F 2016-2018 / YZ250FX 17-18

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 YZ250FX. 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 2-stroke Pro-Light piston is them CNC machined for optimal shape and profile to ensure peak performance and durability.

Specifications - Top end Kit PK1922:

  • 40151M07700 - Yamaha '16-18 YZ250F 13.5:1 CR
  • 7700YC - 77.00 mm Ring Set .8 x 1.5mm
  • CW16 - 16mm Round Wire Locks - Set of Two
  • Ring - Set
  • S677 – Piston Pin 16 x 40mm Non-Chromed TW
  • 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 - PK1922
          Yamaha YZ250F Performance Upgrades Engine Mods Accessories

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

        • Moto-house MX Offers Free shipping over $65 dollars

          Free Shipping

          Orders over $65 Ship Free in the continental 48 States