WOSSNER Piston Kit, 79.93 mm, Arctic Cat/Yamaha, K7511DA-3

Piston Kit - 79.93 mm - Arctic Cat | Yamaha

The WOSSNER Piston Kit measures 79.93 mm and is designed for listed Arctic Cat and Yamaha snowmobile applications. Manufacturer part number K7511DA-3. The kit includes the piston, rings, wrist pin and pin locks.

Enhanced piston pin oiling slots, radial boss machining and annular grooves support improved wrist pin lubrication. The lightweight piston uses tight piston wall clearance for quieter engine operation. A coated skirt helps reduce friction and improve break-in performance, while ring land treatment supports ring seal and oil control. The design also features double-bridged forging where noted.

Fitment includes the 2021 Yamaha SW10SG Sidewinder STX GT, 2021 Yamaha SW10XL46 Sidewinder XTX 146 LE, 2021 Yamaha Sidewinder 1000 X-TX LE with 141-inch track, 2021 Arctic Cat ZR 9000 Thundercat, 2018 and 2019 Yamaha SW10XS41 Sidewinder XTX 141 SE, 2018 Yamaha SW10LL Sidewinder LTX LE, 2020 Yamaha Sidewinder L-TX LE with 137-inch track, 2020 Yamaha Sidewinder L-TX GT with 137-inch track, and 2019 Yamaha Sidewinder M-TX LE with 153-inch track.

Features:

• Size: 79.93 mm piston
• Construction: Lightweight piston with tight piston wall clearance for quieter engine operation
• Lubrication: Enhanced piston pin oiling slots, radial boss machining and annular grooves
• Skirt: Coated to reduce friction and improve break-in performance
• Ring land: Treated to support improved ring seal and oil control
• Forging: Double-bridged forging design where noted
• Kit contents: Piston, rings, wrist pin and pin locks
• Manufacturer part number: K7511DA-3

Fitment:
2017 Arctic Cat M 9000 King Cat Special Edition w/162" Track
2017 Arctic Cat M 9000 King Cat w/162" Track
2017 Arctic Cat XF 9000 Cross Country Limited
2017 Arctic Cat XF 9000 Crosstrek
2017 Arctic Cat XF 9000 High Country Limited 141
2017 Arctic Cat XF 9000 High Country Limited 153
2017 Arctic Cat ZR 9000 Thundercat
2017 Yamaha Sidewinder M-TX SE
2017 Yamaha Sidewinder M-TX SE w/153" Track
2017 Yamaha Sidewinder S-TX DX
2017 Yamaha Sidewinder X-TX LE
2017 Yamaha SW10BL Sidewinder BTX LE
2017 Yamaha SW10BS Sidewinder BTX SE
2017 Yamaha SW10LD Sidewinder LTX DX
2017 Yamaha SW10LL Sidewinder LTX LE
2017 Yamaha SW10LS Sidewinder LTX SE
2017 Yamaha SW10MS62 Sidewinder MTX 162 SE
2017 Yamaha SW10RL Sidewinder RTX LE
2017 Yamaha SW10RS Sidewinder RTX SE
2017 Yamaha SW10SD37 Sidewinder STX 137 DX
2017 Yamaha SW10XL37 Sidewinder XTX 137 LE
2017 Yamaha SW10XL41 Sidewinder XTX 141 LE
2017 Yamaha SW10XS Sidewinder XTX SE
2018 Arctic Cat M 9000 King Cat 162
2018 Arctic Cat XF 9000 Cross Country Limited
2018 Arctic Cat XF 9000 Crosstrek
2018 Arctic Cat XF 9000 High Country Limited 141
2018 Arctic Cat XF 9000 High Country Limited 153
2018 Arctic Cat ZR 9000 Thundercat
2018 Yamaha Sidewinder B-TX LE w/153" Track
2018 Yamaha Sidewinder M-TX SE
2018 Yamaha Sidewinder R-TX LE w/137" Track
2018 Yamaha SW10BL Sidewinder BTX 153 LE 50th
2018 Yamaha SW10BS Sidewinder BTX 153 1.75 SE
2018 Yamaha SW10LD Sidewinder LTX DX
2018 Yamaha SW10LL Sidewinder LTX LE
2018 Yamaha SW10LL Sidewinder LTX LE 50th
2018 Yamaha SW10LS Sidewinder LTX SE
2018 Yamaha SW10M53 Sidewinder MTX 153
2018 Yamaha SW10M62 Sidewinder MTX 162
2018 Yamaha SW10ML53 Sidewinder MTX 153 LE
2018 Yamaha SW10ML62 Sidewinder MTX 162 LE 50th
2018 Yamaha SW10MS53 Sidewinder MTX 153 SE
2018 Yamaha SW10MS62 Sidewinder MTX 162 SE
2018 Yamaha SW10RL Sidewinder RTX LE 50th
2018 Yamaha SW10RS Sidewinder RTX SE
2018 Yamaha SW10SD37 Sidewinder STX 137 DX
2018 Yamaha SW10SD46 Sidewinder STX 146 DX
2018 Yamaha SW10XL Sidewinder XTX 1.75 LE 50th
2018 Yamaha SW10XS37 Sidewinder XTX 137 SE
2018 Yamaha SW10XS41 Sidewinder XTX 141 SE
2019 Arctic Cat M 9000 King Cat 162
2019 Arctic Cat XF 9000 Cross Country Limited
2019 Arctic Cat XF 9000 High Country Limited 153
2019 Arctic Cat ZR 9000 Thundercat
2019 Arctic Cat ZR 9000 Thundercat iACT
2019 Yamaha Sidewinder M-TX LE w/153" Track
2019 Yamaha Sidewinder M-TX SE w/153" Track
2019 Yamaha Sidewinder M-TX SE w/162" Track
2019 Yamaha Sidewinder M-TX w/153" Track
2019 Yamaha Sidewinder M-TX w/162" Track
2019 Yamaha Sidewinder R-TX LE w/137" Track
2019 Yamaha Sidewinder R-TX SE w/129" Track
2019 Yamaha Sidewinder S-TX DX w/137"
2019 Yamaha Sidewinder SRX LE
2019 Yamaha Sidewinder X-TX LE
2019 Yamaha SW10BL53 Sidewinder BTX 153 LE
2019 Yamaha SW10LD Sidewinder LTX DX
2019 Yamaha SW10LL Sidewinder LTX LE
2019 Yamaha SW10LS Sidewinder LTX SE
2019 Yamaha SW10ML62 Sidewinder MTX 162 LE
2019 Yamaha SW10XL41 Sidewinder XTX 141 LE
2019 Yamaha SW10XS41 Sidewinder XTX 141 SE
2020 Arctic Cat ZR 9000 Thundercat ARS II w/137" Track
2020 Arctic Cat ZR 9000 Thundercat iACT
2020 Yamaha Sidewinder 1000 S-TX GT w/146" Track
2020 Yamaha Sidewinder 1000 X-TX LE w/141" Track
2020 Yamaha Sidewinder 1000 X-TX LE w/146" Track
2020 Yamaha Sidewinder 1000 X-TX SE w/141" Track
2020 Yamaha Sidewinder 1000 X-TX SE w/146" Track
2020 Yamaha Sidewinder B-TX LE w/153" Track
2020 Yamaha Sidewinder L-TX GT w/137" Track
2020 Yamaha Sidewinder L-TX LE w/137" Track
2020 Yamaha Sidewinder L-TX SE w/137" Track
2020 Yamaha Sidewinder SRX LE w/137" Track
2020 Yamaha Sidewinder X-TX LE
2021 Arctic Cat ZR 9000 Thundercat
2021 Arctic Cat ZR 9000 Thundercat ATAC
2021 Yamaha Sidewinder 1000 X-TX LE w/141" Track
2021 Yamaha Sidewinder 1000 X-TX SE w/141" Track
2021 Yamaha SW10BL53 Sidewinder BTX 153 LE
2021 Yamaha SW10LG Sidewinder LTX GT
2021 Yamaha SW10LL Sidewinder LTX LE
2021 Yamaha SW10LS Sidewinder LTX SE
2021 Yamaha SW10SG Sidewinder STX GT
2021 Yamaha SW10XL46 Sidewinder XTX 146 LE
2021 Yamaha SW10XS46 Sidewinder XTX 146 SE
2021 Yamaha SW1NSR Sidewinder SRX LE
2022 Arctic Cat ZR 9000 Thundercat ARS II w/137" Track
2022 Arctic Cat ZR 9000 Thundercat ATAC
2022 Arctic Cat ZR 9000 Thundercat EPS
2022 Yamaha Sidewinder X-TX LE w/146" Track
2022 Yamaha Sidewinder X-TX SE w/146" Track
2022 Yamaha SW10LG Sidewinder LTX GT EPS
2022 Yamaha SW10LL Sidewinder LTX LE
2022 Yamaha SW10LS Sidewinder LTX SE
2022 Yamaha SW10SG Sidewinder STX GT EPS
2022 Yamaha SW10XL46 Sidewinder XTX 146 LE
2022 Yamaha SW10XS46 Sidewinder XTX 146 SE
2022 Yamaha SW1NSR Sidewinder SRX LE
2023 Yamaha Sidewinder L-TX GT w/137" Track
2023 Yamaha Sidewinder L-TX SE EPS w/137" Track
2023 Yamaha SW10LG Sidewinder LTX GT EPS
2023 Yamaha SW10LL Sidewinder LTX LE EPS
2023 Yamaha SW10LS Sidewinder LTX SE
2023 Yamaha SW10SG Sidewinder STX GT EPS
2023 Yamaha SW10XL46 Sidewinder XTX 146 LE
2023 Yamaha SW10XS46 Sidewinder XTX 146 SE
2023 Yamaha SW1NSR Sidewinder SRX LE EPS
2024 Yamaha SW10LG Sidewinder LTX GT EPS
2024 Yamaha SW10LL Sidewinder LTX LE EPS
2024 Yamaha SW10LS Sidewinder LTX SE
2024 Yamaha SW10SG Sidewinder STX GT EPS
2024 Yamaha SW10XL46 Sidewinder XTX 146 LE
2024 Yamaha SW10XS46 Sidewinder XTX 146 SE
2024 Yamaha SW1NSR Sidewinder SRX LE EPS
2025 Yamaha SW10LG Sidewinder LTX GT EPS
2025 Yamaha SW10LL Sidewinder LTX LE EPS
2025 Yamaha SW10LS Sidewinder LTX SE
2025 Yamaha SW10ML Sidewinder MTX LE 153
2025 Yamaha SW10SG Sidewinder STX GT EPS
2025 Yamaha SW10XL46 Sidewinder XTX LE
2025 Yamaha SW10XS46 Sidewinder XTX SE
2025 Yamaha SW1NSR Sidewinder SRX LE EPS