This insert with 5.40cc volume is the VHM standard for KTM 65SX and is developed for the best overall performance. The combustion chamber fits the VHM cylinder head perfectly and is easy to change. The last numbers of the part number are engraved on the insert for indentification.
Use in combination with VHM head AA33217 and VHM 12° piston APKT06521722 and OEM base gasket 0.70mm + extra base gasket 0.20mm
Best overall performance
Quick to adjust
Good resistance to detonation
Raise cylinder with 0.20mm. This insert does not fit into an OEM head, only a VHM cylinder head.
Specifications
Part number
AE32353-021
Type
VHM standard
Volume [cc]
5.40
Piston height [mm]
+0.40
Squish [mm]
0.75
Piston crown shape
Flat top 12°
Bore
Ø45
Applications
Application
Make
Model
Year
Motocross
KTM
65SX
2024
Motocross
Husqvarna
TC65
2024
Motocross
GasGas
MC65
2024