VHM head insert KTM 65 SX 24-27 / Husqvarna TC 65 24-27 / GasGas MC 65 24-27 – E 5.55 cc
HeadVHM

VHM head insert KTM 65 SX 24-27 / Husqvarna TC 65 24-27 / GasGas MC 65 24-27 – E 5.55 cc

SKU: AE32353-E

Insert (combustion chamber)

69,00 €

Price incl. VAT (23%)

Delivery 5–8 pracovných dní
1

Shipping from €3.90

to a pickup point

30-day returns

no questions

24-month warranty

on all parts

Which insert for what▾

AE32353 inserts for the VHM head AA33217

AE32353-BVolume: 5.10 cc
AE32353-CVolume: 5.25 cc
AE32353-DVolume: 5.40 cc

VHM standard

AE32353-EVolume: 5.55 cc
AE32353-FVolume: 5.70 cc
AE32353-010Volume: 5.25 cc

for the VHM 12° piston

AE32353-020Volume: 5.25 cc

for the VHM 12° piston

AE32353-011Volume: 5.40 cc

for the VHM 12° piston VHM standard

AE32353-021Volume: 5.40 cc

for the VHM 12° piston VHM standard

AE32353-012Volume: 5.55 cc

for the VHM 12° piston

AE32353-022Volume: 5.55 cc

for the VHM 12° piston

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 AA33217. Chamber volume 5.55 cc. 🔴 The insert fits ONLY the VHM head AA33217 — it cannot be fitted into the OEM head. For the stock (OEM) piston. Compared with the VHM standard (5.40 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. The manufacturer's chart in the photos shows the choice by fuel, track type and elevation. Use it as a starting point. Fits: Husqvarna TC 65 (2024–2027); KTM 65 SX (2024–2027); GasGas MC 65 (2024–2027).

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