![Wiseco Piston Kit - 74.00 mm - Yamaha [40078M07400]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/1280x1280/products/120791/130718/E661D6DF-2A3D-42B9-B9BC-DAC1963DE29A__97175.1786950262.png?c=2 "Wiseco Piston Kit - 74.00 mm - Yamaha [40078M07400]")
![Wiseco Piston Kit - 74.00 mm - Yamaha [40078M07400]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/120791/130718/E661D6DF-2A3D-42B9-B9BC-DAC1963DE29A__97175.1786950262.png?c=2 "Wiseco Piston Kit - 74.00 mm - Yamaha [40078M07400]")
Wiseco Piston Kit - 74.00 mm - Yamaha [40078M07400]
Manufacturer Part Number: 40078M07400
Parts Unlimited Part Number: 09104164
Product Type: Piston & Ring Kits
Piston Kit - 74.00 mm - Yamaha
Details
- Skirt Coating: ArmorGlide®
- Displacement: 249 cc
- Piston Material: Forged 2618 Aluminum
- Riding Style: ATV
- Riding Style: Off-Road
- Compression Ratio: 9.5:1
- Model: Forged Series
- Units: Kit
- Engine Type: 4-Stroke
- Product Name: Piston Kit
- Bore - Oversize: Standard
- Piston Diameter: 73.95 mm
- Bore Size: 74.00 mm
- Stroke Length: 58.00 mm
- Designed and built for 4 stroke engine models
- Kit includes piston, piston rings, wrist pin(s) and circlips
- Made in the USA
Verified Fitment
- 2008 Yamaha YFM250 Raptor
- 2011 Yamaha YFM250 Raptor
- 2013 Yamaha YFM250 Raptor
- 2009 Yamaha YFM250 Raptor
- 2010 Yamaha YFM250 Raptor
- 2012 Yamaha YFM250 Raptor
- 2014 Yamaha XT250
- 2017 Yamaha XT250
- 2013 Yamaha XT250
- 2023 Yamaha XT250
- 2016 Yamaha XT250
- 2022 Yamaha XT250
- 2024 Yamaha XT250
- 2018 Yamaha XT250
- 2021 Yamaha XT250
- 2015 Yamaha XT250
- 2019 Yamaha XT250
- 2020 Yamaha XT250
- 2025 Yamaha XT250
- 2008 Yamaha YFM250 Raptor SE
- 2008 Yamaha YFM250 Raptor SE Custom
- 2011 Yamaha YFM250R Raptor
Yes
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