PROX Piston Kit 71.95 mm Beta 01.7398.B — 2018–2024 Beta 300 Fitment

Piston Kit - 71.95 mm - Beta

The PROX Piston Kit 71.95 mm, manufacturer part number 01.7398.B, is designed as an OEM replacement for select Beta motorcycles. Manufactured in Japan, the piston is cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications and is CNC-machined to extremely close tolerances.

This kit includes the piston, ring kit, wrist pin, and circlips. It fits the 2018 Beta 300 RR (2 Stroke), 2023 Beta 300 RX, 2018–2021 Beta X-Trainer 300, 2022–2024 Beta 300 RX, and 2020 Beta 300 RR. Distributor part number: 09106269. Manufacturer part number: 01.7398.B.

Features:

• Brand: PROX
• Product: Piston Kit
• Size: 71.95 mm
• Manufacturer Part Number: 01.7398.B
• Distributor Part Number: 09106269
• Construction: Cast from a high-silicon-content aluminum alloy
• Machining: CNC-machined to extremely close tolerances
• Manufacturing Origin: Made in Japan
• Kit Contents: Piston, ring kit, wrist pin, and circlips
• Fitment: 2018 Beta 300 RR (2 Stroke), 2023 Beta 300 RX, 2018 Beta X-Trainer 300, 2021 Beta X-Trainer 300, 2022 Beta 300 RX, 2019 Beta X-Trainer 300, 2020 Beta 300 RR, 2020 Beta X-Trainer 300, 2024 Beta 300 RX, 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