Which insert for what▾
AE32272 inserts for the VHM head AA33166 / AA33175
250EXC '17, 250EXC TPI / TE250i '18-23 VHM standard: 250EXC with OEM piston
250SX '17-22, TC250 '17-22
250SX '17-22, TC250 '17-22 VHM standard: 250SX with OEM piston
250SX '17-22, TC250 '17-22
250SX '17-22, TC250 '17-22 for the VHM 12° piston VHM standard: VHM 12° piston APKT25021754A1
250EXC '17, 250EXC TPI / TE250i '18-23
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 KTM 250 SX / Husqvarna TC 250 17-22 / GasGas MC 250 22-23 / KTM 250 EXC TPI / Husqvarna TE 250i 18-23 / GasGas EC 250 21-23 – S 23.00 cc
SKU: AE32272-S
Insert (combustion chamber)
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Which insert for what▾
AE32272 inserts for the VHM head AA33166 / AA33175
250EXC '17, 250EXC TPI / TE250i '18-23 VHM standard: 250EXC with OEM piston
250SX '17-22, TC250 '17-22
250SX '17-22, TC250 '17-22 VHM standard: 250SX with OEM piston
250SX '17-22, TC250 '17-22
250SX '17-22, TC250 '17-22 for the VHM 12° piston VHM standard: VHM 12° piston APKT25021754A1
250EXC '17, 250EXC TPI / TE250i '18-23
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 AA33175. Chamber volume 23.00 cc. 🔴 The insert fits ONLY the VHM head AA33175 — it cannot be fitted into the OEM head. For the stock (OEM) piston. Compared with the VHM standard (24.00 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: Husqvarna TE 250i (2018–2022); KTM 250 EXC TPI (2018–2023); KTM 250 XC TPI (2020–2023); KTM 250 XC-W TPI (2019–2023); GasGas EC 250 (2021–2023).
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