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Piston Kit - 71.94 mm - Beta
Fitment:
2018 Beta 300 RR (2 Stroke)
2018 Beta X-Trainer 300
2019 Beta 300 RR (2 Stroke)
2019 Beta X-Trainer 300
2020 Beta 300 RR
2020 Beta X-Trainer 300
2021 Beta 300 RR
2021 Beta 300 RX
2021 Beta X-Trainer 300
2022 Beta 300 RX
2023 Beta 300 RX
2024 Beta 300 RX
2025 Beta 300 RX
The PROX Piston Kit is designed as an OEM replacement for select Beta motorcycles. This 71.94 mm kit is manufactured in Japan and is identified by manufacturer part number 01.7398.A. It fits the 2022 and 2023 Beta 300 RX, 2019 Beta X-Trainer 300, 2018 through 2021 Beta X-Trainer 300 models, 2018 and 2019 Beta 300 RR (2 Stroke), 2020 and 2021 Beta 300 RR, and 2021 Beta 300 RX.
Constructed from a high-silicon-content aluminum alloy, the piston is cast to meet or exceed OEM specifications and CNC-machined to extremely close tolerances. The kit includes the piston, ring kit, wrist pin, and circlips for a comprehensive piston replacement solution. Distributor part number was not provided.
Features:
- Brand: PROX
- Product: Piston Kit
- Size: 71.94 mm
- Manufacturer Part Number: 01.7398.A
- Manufacturing: Made in Japan
- Design: OEM replacement
- Material: High-silicon-content aluminum alloy
- Machining: CNC-machined to extremely close tolerances
- Included Components: Piston, ring kit, wrist pin, and circlips
- Vehicle Fitment: 2022 and 2023 Beta 300 RX; 2018 through 2021 Beta X-Trainer 300; 2018 and 2019 Beta 300 RR (2 Stroke); 2020 and 2021 Beta 300 RR; and 2021 Beta 300 RX
Fitment:
2018 Beta 300 RR (2 Stroke)
2018 Beta X-Trainer 300
2019 Beta 300 RR (2 Stroke)
2019 Beta X-Trainer 300
2020 Beta 300 RR
2020 Beta X-Trainer 300
2021 Beta 300 RR
2021 Beta 300 RX
2021 Beta X-Trainer 300
2022 Beta 300 RX
2023 Beta 300 RX
2024 Beta 300 RX
2025 Beta 300 RX