Description

VHM Insert Aprilia RS250 1995 - 2002

Insert AE32149-C with 12.00cc volume is the VHM standard for Aprilia RS250 / Suzuki RVG250 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 AA33102.

• Best overall performance
• Quick to adjust
• Good resistance to detonation

This insert does not fit into an OEM head, only a VHM cylinder head.

The combustion chambers listed are the most popular for road use with 98 octaine E5 fuel.

Piston centre of crown height -0.35mm from the top of the cylinder at TDC

AE32149-A  /  Blind 

AE32149-B / 11.80cc  -0.35  0.90

AE32149-C / 12.00cc  -0.35  0.90 STANDARD

AE32149-D / 12.20cc  -0.35  0.90

AE32149-E / 12.40cc  -0.35  0.90

AE32149-F / 12.60cc  -0.35  0.90

AE32008-xxx / Custom made insert, according to your specifications. (Please email after placing your order; the volume, piston height, squish and shape you require).

Volume including spark plug hole.

Please note if buying a head set you will need to order 2 inserts.