VHM head insert KTM 250 SX 23-27 / Husqvarna TC 250 23-27 / GasGas MC 250 24-27 – F 22.60 cc
HeadVHM

VHM head insert KTM 250 SX 23-27 / Husqvarna TC 250 23-27 / GasGas MC 250 24-27 – F 22.60 cc

SKU: AE32337-F

Insert (combustion chamber)

79,00 €

Price incl. VAT (23%)

Delivery 5–8 pracovných dní
1

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24-month warranty

on all parts

Which insert for what▾

AE32337 inserts for the VHM head AA33209

AE32337-BVolume: 21.00 cc

110 RON fuel

AE32337-CVolume: 21.40 cc

105 RON fuel

AE32337-DVolume: 21.80 cc

102 RON fuel VHM standard

AE32337-EVolume: 22.20 cc

98 RON fuel

AE32337-FVolume: 22.60 cc

98 RON fuel

AE32337-GVolume: 23.00 cc

95 RON fuel

AE32337-021Volume: 21.00 cc

for the VHM 12° piston 110 RON fuel

AE32337-022Volume: 21.40 cc

for the VHM 12° piston 105 RON fuel

AE32337-023Volume: 21.80 cc

for the VHM 12° piston 102 RON fuel VHM standard

AE32337-024Volume: 22.20 cc

for the VHM 12° piston 98 RON fuel

AE32337-025Volume: 22.60 cc

for the VHM 12° piston 98 RON fuel

AE32337-026Volume: 23.00 cc

for the VHM 12° piston 95 RON fuel

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 AA33209. Chamber volume 22.60 cc, intended for 98 RON fuel. 🔴 The insert fits ONLY the VHM head AA33209 — it cannot be fitted into the OEM head. For the stock (OEM) piston. Compared with the VHM standard (21.80 cc) it has a larger volume, i.e. lower compression: better over-rev and more top speed at the cost of bottom-end response. It also tolerates lower-octane fuel. 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: KTM 250 SX (2023–2027); Husqvarna TC 250 (2023–2027); GasGas MC 250 (2024–2027).

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