Cylinder Head Naraku 22\/25, 66mm Yamaha Xmax \/ YZF \/ WR 125

4V cylinder head Naraku 22\/25, 66mm Yamaha XmaxCylinder head Naraku 22\/25, 66mm Yamaha Xmax \/ YZF \/ WR 125. 4-valve racing cylinder head with 66mm combustion chamber.

The cylinder head has a big bore diameter, reinforced valve springs and larger valves (22\/25mm).

Fits Yamaha X-Max, WR, YZF-R 125cc and other 125cc with YI-3 injection engine. The carburetor settings or the injection system must be readjusted (e.g. with Malossi or Polini injection module).

Details Naraku Racing 4-valve cylinder headCylinder head w. 66mm combustion chamber2 intake valves: 25mm2 exhaust valves: 22mm