VHM 8.40 +1.60 1.00 Cylinder head domeRef : VHM0907 / VHMAE32059-K

This 8.40 cm³ insert is the VHM reference for the Yamaha YZ85 and has been developed for optimum performance. The combustion chamber fits perfectly into the VHM cylinder head and is easy to replace. The last digits of the reference number are engraved on the insert for easy identification.

• Better overall performance
• Quick adjustment
• Good resistance to detonation