Which insert for what▾
AE32296 inserts for the VHM head AA33183
Beta RR250 2T '18-24, X-PRO '25
Beta RR250 2T '18-24, X-PRO '25 VHM standard: Beta RR250 2T 2018–2024 / RR250 2T Racing 2019–2024 / RR250 2T X-PRO 2025
Beta RR250 2T '18-24, X-PRO '25
Beta RX250 '26
Beta RX250 '26
Beta RX250 '26 VHM standard: Beta RX250
Beta RX250 '26
In general: smaller volume = higher compression = more pull but better fuel needed; larger volume = lower compression, the engine revs out more freely and tolerates pump fuel. If in doubt, take the standard.
Based on the VHM manufacturer charts.
VHM head insert Beta RR 250 2T 18-24 / Beta RR 250 2T Racing 19-24 / Beta RR 250 2T X-PRO 2025 / Beta RX 250 2026 – M 20.50 cc
SKU: AE32296-M
Insert (combustion chamber)
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Which insert for what▾
AE32296 inserts for the VHM head AA33183
Beta RR250 2T '18-24, X-PRO '25
Beta RR250 2T '18-24, X-PRO '25 VHM standard: Beta RR250 2T 2018–2024 / RR250 2T Racing 2019–2024 / RR250 2T X-PRO 2025
Beta RR250 2T '18-24, X-PRO '25
Beta RX250 '26
Beta RX250 '26
Beta RX250 '26 VHM standard: Beta RX250
Beta RX250 '26
In general: smaller volume = higher compression = more pull but better fuel needed; larger volume = lower compression, the engine revs out more freely and tolerates pump fuel. If in doubt, take the standard.
Based on the VHM manufacturer charts.
Exchangeable combustion chamber (insert) for the VHM cylinder head AA33183. Chamber volume 20.50 cc. 🔴 The insert fits ONLY the VHM head AA33183 — it cannot be fitted into the OEM head. For the stock (OEM) piston. Compared with the VHM standard (21.50 cc) it has a smaller volume, i.e. higher compression: the engine pulls harder but needs higher-octane fuel, otherwise it may detonate. Quick to change — the insert simply sits in the head and seals with O-rings. The last characters of the part number are engraved on the insert, so you cannot mix them up. Fits: Beta RR 250 2T (2018–2024); Beta RR 250 2T Racing (2018–2024); Beta RR 250 2T X-PRO (2025–0); Beta RX 250 (2026–0).
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