![Moose Offroad Piston Kit - 77.00 mm - Yamaha [MPX1090C]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/1280x1280/products/120825/130752/0DBE4A0F-023B-42A9-AA93-AA0656A2E123__15576.1786950288.png?c=2 "Moose Offroad Piston Kit - 77.00 mm - Yamaha [MPX1090C]")
![Moose Offroad Piston Kit - 77.00 mm - Yamaha [MPX1090C]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/120825/130752/0DBE4A0F-023B-42A9-AA93-AA0656A2E123__15576.1786950288.png?c=2 "Moose Offroad Piston Kit - 77.00 mm - Yamaha [MPX1090C]")
Moose Offroad Piston Kit - 77.00 mm - Yamaha [MPX1090C]
Manufacturer Part Number: MPX1090C
Parts Unlimited Part Number: 09106494
Product Type: Piston & Ring Kits
Piston Kit - 77.00 mm - Yamaha
Details
- Units: Kit
- Bore - Oversize: Standard
- Engine Type: 4-Stroke
- Product Name: Piston Kit
- Piston Material: Forged
- Style: High Performance
- Riding Style: Off-Road
- Piston Material: Aluminum Alloy
- Bore Size: 77.00 mm
- Compression Ratio: 14.5:1
- Feature X-style forgings for ultimate strength, minimizing friction, durability, power, and weight reduction
- Full radius dome designs maximize quench while eliminating hot spots that promote detonation
- Internal bracing maximizes durability while decreasing friction in the pin assembly
- Piston kit includes wrist pin, rings, & circlips
- Made in the USA
Verified Fitment
- 2016 Yamaha YZ250F
- 2017 Yamaha YZ250F
- 2014 Yamaha YZ250F
- 2018 Yamaha YZ250F
- 2015 Yamaha YZ250F
Yes
![Moose Offroad Piston Kit - 77.00 mm - Yamaha [MPX1089]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/120843/130769/C817510B-0812-4A83-B815-50644E8FC354__70875.1786950303.png?c=2 "Moose Offroad Piston Kit - 77.00 mm - Yamaha [MPX1089]")
![Moose Offroad Piston Kit - 77.00 mm - Kawasaki [MPX3050C]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/120823/130750/43D79B27-A741-4BD8-9FA0-168DBB076DF2__93095.1786950287.png?c=2 "Moose Offroad Piston Kit - 77.00 mm - Kawasaki [MPX3050C]")
![Moose Offroad Piston Kit - 77.00 mm - Kawasaki [MPX3062]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/120842/130770/BD4DEF38-4205-4AFA-9369-92E9AB7C7DCF__97419.1786950303.png?c=2 "Moose Offroad Piston Kit - 77.00 mm - Kawasaki [MPX3062]")
![Moose Offroad Piston Kit - 77.00 mm - Kawasaki [MPX3061]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/120832/130759/9A1EE560-ACC4-4569-90C7-7E788A6C60F4__06563.1786950294.png?c=2 "Moose Offroad Piston Kit - 77.00 mm - Kawasaki [MPX3061]")
![Moose Offroad Cylinder - 77.00 mm - Yamaha [MSECW20013]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/120948/130875/ECB5F4DF-F6D1-42D2-9BDF-8A6F562CDA9B__38917.1786950383.png?c=2 "Moose Offroad Cylinder - 77.00 mm - Yamaha [MSECW20013]")