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YX160 4V Cylinder Head Kit


Complete YX160 4V Cylinder head kit with all internal parts & covers.


This is a 4 Valve cylinder head kit. A 4 Valve Piston MUST be used with this head kit!



  • Intake Valve Size = 21mm
  • Intake Valves = x2
  • Exhaust Valve Size =18mm
  • Exhaust Valves = x2



  • YX150 - Type 1 (With YX160 HEAD)
  • YX160
  • Z155 (If fitting to Z155 then you will need a YX Manifold kit as the casting angle is different & you must use your origional z155 cam sprocket)

Please Note:

  • Cam sprocket not included.
  • Gaskets NOT included.
  • Valve clearences will need to be adjusted and set before installation. Must be installed by a professional. If damage is to occur this will be due to incorrect installation.
  • All Castings have little holes in them around the head, these are drain holes for water.
  • Photos of head will be sent to you before dispatch as proof the item was undamaged, we have had customers in the past assemble the part incorretly, caused damaged and try to return as unused.

Item Includes:

  • YX160 Cylinder head 4 VALVE 
  • Inlet and exhaust valves fitted
  • Standard Camshaft Fitted
  • Camshaft and tappet covers.
  • Rocker Arms, Pins & Adjusters


YX160 4V Cylinder Head Kit

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