Description
Comparison points and tradeoffs
When comparing SPI, SM-09281, 2 Standard Bore Piston Kits for Ski-Doo 850 ETEC fits 2017-2025 Models – 82mm with other Pistons options, use this source-backed detail as the primary discriminator: Compatible with Ski-Doo models below: 2019-2023 Backcountry 850 ETEC 2024-2025 Backcountry 850 Adrenaline ETEC 2019-2025 Backcountry 850 X ETEC 2019-2025 Backcountry 850 XRS ETEC 2025 Backcountry 850 XRS ETEC Turbo R 2023-2025 Expedition 850 SE ETEC 2020-2025 Expedition 850 Xtreme ETEC 2018-2025 Freeride 850 ETEC 2022-2023 Freeride 850 ETEC Turbo 2024-2025 Freeride 850 ETEC Turbo R 2024-2025 MXZ 850 Adrenaline ETEC 2.
Use this second fact to evaluate the tradeoff: Item Weight: 3 pounds. A third point to compare across alternatives is: Pistons are for standard bore size 82.00mm.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
| Manufacturer | SPI |
|---|---|
| Brand | SPI |
| Item Weight | 3 pounds |
| Package Dimensions | 9 x 7 x 5 inches |
| Manufacturer Part Number | (2)SM-09281 |
Compatible with Ski-Doo models below:
2019-2023 Backcountry 850 ETEC
2024-2025 Backcountry 850 Adrenaline ETEC
2019-2025 Backcountry 850 X ETEC
2019-2025 Backcountry 850 XRS ETEC
2025 Backcountry 850 XRS ETEC Turbo R
2023-2025 Expedition 850 SE ETEC
2020-2025 Expedition 850 Xtreme ETEC
2018-2025 Freeride 850 ETEC
2022-2023 Freeride 850 ETEC Turbo
2024-2025 Freeride 850 ETEC Turbo R
2024-2025 MXZ 850 Adrenaline ETEC
2024-2025 MXZ 850 Adrenaline ETEC Blizzard Package
2018-2019/2023 MXZ 850 Blizzard ETEC
2017-2022 MXZ 850 TNT ETEC
2017-2022/2024-2025 MXZ 850 X ETEC
2018-2025 MXZ 850 XRS ETEC
2025 MXZ 850 XRS ETEC Competition Package
2024-2025 MXZ 850 XRS ETEC Competition Package Turbo R
2017-2023 Renegade 850 Adrenaline ETEC
2024-2025 Renegade 850 Adrenaline ETEC Enduro Package
2018 Renegade 850 Back Country ETEC
2018 Renegade 850 Back Country X ETEC
2019-2023 Renegade 850 Enduro ETEC
2017-2023 Renegade 850 X ETEC
2018-2023 Renegade 850 XRS ETEC
2024-2025 Summit 850 Adrenaline ETEC
2024-2025 Summit 850 Adrenaline ETEC Edge Package
2022-2023 Summit 850 Edge ETEC
2024 Summit 850 HCE ETEC
2025 Summit 850 HCE ETEC Turbo R
2017-2023 Summit 850 SP ETEC
2017-2025 Summit 850 X ETEC
2020-2025 Summit 850 X ETEC Expert Package
2021-2022 Summit 850 X ETEC Turbo
2023-2025 Summit 850 X ETEC Turbo R
2020-2022 Summit 850 X ETEC Turbo Expert Package
2023-2025 Summit 850 X ETEC Turbo R Expert Package
Source product highlights
- Manufactured by SPI & Made in Taiwan
- Included is two piston kits (pistons, rings, circlips and wrist pins)
- T-Moly series pistons feature silicone aluminum alloy construction with Teflon and molybdenum coating and a hard anodized crown
- All kits are interchangeable with OEM components
- Pistons are for standard bore size 82.00mm




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