cylinder head -NARAKU- 21/23, 62mm for Yamaha X-Max, YZF, WR 125

Original price was: €442,79.Current price is: €132,84.

SKU: NK60075 Categories: , Tag:

Big Bore and still not enough? Then here we have the Naraku Racing 4-valve cylinder head with 62mm combustion chamber. More passage, reinforced valve springs and larger valves (21/23mm). Fits Yamaha X-Max, WR, YZF-R 125cc and other 125cc mopeds with YI-3 engine. The carburetor jetting or the injection system must be retuned (e.g. with Malossi Force Master). Newer models have the lambda sensor connection directly at the exhaust. This must be closed on older models.
The cylinder head is suitable for the following big bore cylinders: Naraku NK600.74, Polini 166.0101, Malossi M.3114852 and other cylinders with 62-64mm bore.
Supplied without shafts for the roller cam followers.

  • Combustion chamber: 62mm
  • inlet valves: 23mm
  • Exhaust valves: 21mm

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