The Namura NA-40025 Hyperdryve piston kit is designed for select Yamaha 700 ATV and side-by-side applications. Featuring a 102.97 mm standard-size piston and an 11:1 compression ratio, this kit supports dependable engine performance for compatible Yamaha Kodiak, Grizzly, and Wolverine models. The piston is engineered for use in the original equipment application and is intended as a complete replacement component for the listed fitments.
Fitment: Fits 2016–2017 Yamaha YFM700K Kodiak IRS, 2016–2017 Yamaha YFM700KP Kodiak EPS IRS, 2016–2017 Yamaha YFM700KPS Kodiak EPS SE IRS, 2016 Yamaha YXE700 Wolverine R-Spec, 2016 Yamaha YXE700 Wolverine R-Spec EPS, and 2016–2017 Yamaha YFM700G Grizzly Fi 4WD IRS models. Verify the exact model and engine configuration before installation.
Important compatibility note: The Namura NA-40025 piston kit will not accept OEM piston rings, and the supplied rings are not compatible with an OEM piston. Use the correct matching components during installation to help ensure proper fit and engine operation. This kit is manufactured by Namura and is identified by manufacturer and vendor part number NA-40025.
Features:
- Brand: Namura
- Manufacturer part number: NA-40025
- Vendor part number: NA-40025
- Product type: Hyperdryve piston kit
- Piston size: 102.97 mm standard size
- Compression ratio: 11:1
- Application: Select Yamaha 700 ATV and side-by-side models
- Fitment: 2016–2017 Yamaha Kodiak YFM700K, YFM700KP, and YFM700KPS models; 2016 Yamaha Wolverine YXE700 models; and 2016–2017 Yamaha Grizzly YFM700G IRS models
- Compatibility: Will not accept OEM rings, and the included rings will not work with an OEM piston
Fitment:
2016 Yamaha YFM700F Grizzly Fi 4WD EPS SE [IRS]
2016 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]
2016 Yamaha YFM700G Grizzly Fi 4WD [IRS]
2016 Yamaha YFM700K Kodiak [IRS]
2016 Yamaha YFM700KP Kodiak EPS [IRS]
2016 Yamaha YFM700KPS Kodiak EPS SE [IRS]
2016 Yamaha YXE700 Wolverine R-Spec
2016 Yamaha YXE700 Wolverine R-Spec EPS
2017 Yamaha YFM700F Grizzly Fi 4WD EPS SE [IRS]
2017 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]
2017 Yamaha YFM700G Grizzly Fi 4WD [IRS]
2017 Yamaha YFM700K Kodiak [IRS]
2017 Yamaha YFM700KP Kodiak EPS [IRS]
2017 Yamaha YFM700KPS Kodiak EPS SE [IRS]
2017 Yamaha YXE700 Wolverine EPS
2017 Yamaha YXE700 Wolverine R-Spec
2017 Yamaha YXE700 Wolverine R-Spec EPS
2017 Yamaha YXE700 Wolverine R-Spec EPS SE
2018 Yamaha YFM700F Grizzly Fi 4WD EPS LE [IRS]
2018 Yamaha YFM700F Grizzly Fi 4WD EPS SE [IRS]
2018 Yamaha YFM700F Grizzly Fi 4WD EPS [IRS]
2018 Yamaha YFM700K Kodiak [IRS]
2018 Yamaha YFM700KP Kodiak EPS [IRS]
2018 Yamaha YFM700KPS Kodiak EPS SE [IRS]
2018 Yamaha YXE700 Wolverine R-Spec EPS
2018 Yamaha YXE700 Wolverine R-Spec EPS SE
2019 Yamaha YXE850 Wolverine X2 R-Spec
2019 Yamaha YXE850 Wolverine X2 R-Spec SE
2020 Yamaha YXE850 Wolverine X2 R-Spec
2020 Yamaha YXE850 Wolverine X2 R-Spec SE
2020 Yamaha YXE850 Wolverine X2 R-Spec XT-R