VHM Cylinder Head (2) Yamaha TZ250 2003-2010

This must have high quality road race product will allow fast combustion chamber change to suit the race track layout.
There are many head inserts for this aplication so we have list 3 option for you to choose but if you wish a design of combustion chamber which is different please call on 0044-(0)1487 813755 and we will supply

Extra inserts are 72.00 GBP each when sold as extra or on the own

Volume of head includes spark plug hole and total volume of head with piston at TDC

Standard setting unleaded
Piston height 0.00mm to the top of the cylinder
Volume 12.00 cc
Squish clearance 00.75mm

Full GP setting
Piston height 00.20mm to the top of the cylinder
Volume 12.20cc
Squish clearance 00.75mm

Leaded fuel option
Piston height 00.00mm to the top of the cylinder
Volume 10.80cc
Squish clearance 00.70mm

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