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WISECO 4-Stroke Forged Series Piston Kit - ø77.00mm FANTIC XEF/XXF / YAMAHA WR/YZ 250cc 2019-2024
Product code: 279235
Size:
Born over 80 years ago from the passion for racing, Wiseco is a world leader in manufacturing high-performance, forged pistons for the motorcycle, automotive, ATV, snowmobile, personal watercraft, and outboard marine markets.
The Wiseco crew shares the same level of dedication to motorsports as their customers and are focused on continually refining the quality and practices it takes to exceed expectations.
Engineered, forged, and machined on cutting-edge equipment in the U.S. at Wiseco’s Mentor, Ohio manufacturing facility, Wiseco pistons are the undisputed leader in quality and performance.
Wiseco Performance Products, built for racers, by racers.
Fits:
FANTIC XEF 250 [250] | ||||
FANTIC | XEF 250 | 250 | 2024 | |
FANTIC | XEF 250 | 250 | 2023 | |
FANTIC | XEF 250 | 250 | 2022 | |
FANTIC XXF 250 [250] | ||||
FANTIC | XXF 250 | 250 | 2024 | |
FANTIC | XXF 250 | 250 | 2023 | |
FANTIC | XXF 250 | 250 | 2022 | |
YAMAHA WR 250 F [250] | ||||
YAMAHA | WR 250 F | 250 | 2024 | |
YAMAHA | WR 250 F | 250 | 2023 | |
YAMAHA | WR 250 F | 250 | 2022 | |
YAMAHA | WR 250 F | 250 | 2021 | |
YAMAHA | WR 250 F | 250 | 2020 | |
YAMAHA YZ 250 F (CG40) [250] | ||||
YAMAHA | YZ 250 F (CG40) | 250 | 2021 | |
YAMAHA | YZ 250 F (CG40) | 250 | 2020 | |
YAMAHA | YZ 250 F (CG40) | 250 | 2019 | |
YAMAHA YZ 250 FX [250] | ||||
YAMAHA | YZ 250 FX | 250 | 2024 | |
YAMAHA | YZ 250 FX | 250 | 2023 | |
YAMAHA | YZ 250 FX | 250 | 2022 | |
YAMAHA | YZ 250 FX | 250 | 2021 | |
YAMAHA | YZ 250 FX | 250 | 2020 | |
YAMAHA | YZ 250 FX | 250 | 2019 |
YAMAHA YZ 250 F [250] | ||||
YAMAHA | YZ 250 F | 250 | 2024 | |
YAMAHA | YZ 250 F | 250 | 2023 | |
YAMAHA | YZ 250 F | 250 | 2022 |

Since 1940, Wiseco has manufactured forged pistons of outstanding quality for motorcycles, motocross bikes, snowmobiles, and 4-wheeler's. After almost 70 years in the industry, Wiseco has become synonymous with high-quality products that exceed the customer's requirements.
Brand | Model | Year | Name | CC |
---|---|---|---|---|
YAMAHA | YZ | 2019 | 250 | |
YAMAHA | YZ | 2020 | 250 | |
YAMAHA | WR | 2020 | 250 | |
YAMAHA | YZ | 2021 | 250 | |
YAMAHA | YZ | 2021 | Monster Energy Racing Edition | 250 |
YAMAHA | WR | 2021 | 250 | |
YAMAHA | WR | 2022 | 250 | |
YAMAHA | YZ | 2022 | 250 | |
YAMAHA | YZ | 2022 | Monster Energy Racing Edition | 250 |
FANTIC | XEF | 2022 | 250 | |
FANTIC | XEF | 2022 | Trail | 250 |
FANTIC | XXF | 2022 | 250 | |
YAMAHA | YZ | 2023 | Monster Energy Racing Edition | 250 |
YAMAHA | YZ | 2023 | 250 | |
YAMAHA | WR | 2023 | 250 | |
FANTIC | XEF | 2023 | 250 | |
FANTIC | XXF | 2023 | 250 | |
FANTIC | XEF | 2023 | Trail | 250 |
YAMAHA | YZ | 2024 | 50th Anniversary Edition | 250 |
YAMAHA | YZ | 2024 | 250 | |
YAMAHA | WR | 2024 | 250 | |
FANTIC | XXF | 2024 | 250 | |
FANTIC | XEF | 2024 | 250 |