Which insert for what▾
AE32321 inserts for the VHM head AA33201
VHM standard: MR250 / EC250
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 Rieju MR 250 / MR 300 21-25 / GasGas EC 250 / EC 300 18-19 – C 20.00 cc
SKU: AE32321-C
Insert (combustion chamber)
Price incl. VAT (23%)
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24-month warranty
on all parts
Which insert for what▾
AE32321 inserts for the VHM head AA33201
VHM standard: MR250 / EC250
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.
Description
Exchangeable combustion chamber (insert) for the VHM cylinder head AA33201. Chamber volume 20.00 cc. 🔴 The insert fits ONLY the VHM head AA33201 — it cannot be fitted into the OEM head. For the stock (OEM) piston. This is the VHM standard insert for this head — the default choice if you are not sure which one to pick. 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: Rieju MR 300 (2021–2025); GasGas EC 300 (2018–2019); GasGas EC 250 (2018–2019); Rieju MR 250 (2021–2025).
Compatibility (2)
Specifications
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