Description
In order to install V4 HEAD on Piaggio engines 125 ie 4T LC produced as from September 2009 and featuring roller rocker arms in the cylinder head, you need to buy Malossi camshaft (Code = 5911962)
or Polini Camshaft (Code =P169.4001) besides PIAGGIO products.
4STROKE V4 HEAD
Monumental Achievement – MAIC Racing
Soaring scooter performance with a power increase of 20%-25%
The first head for all Piaggio scooters that have a 4-stroke, liquid cooled engine with the following displacements: 125*cc, 180*cc, 200 cc, 250 cc, 300 cc. With more than seventy applications and designed and developed to deliver great excitement, insures this head a brilliant future.
Technical Specifications:
* Head made of gravity-fed cast aluminium alloy, tempered and sandblasted, machined within thousandth (mm) tolerances utilizing super precise work cells.
* Valve guides designed with new profile, made using a powdered metal sintering process (steel, phosphorous, carbon, copper and manganese).
* Valve seats made of cobalt-molybdenum steel alloy characterised by copper infiltration and a special heat/chemical treatment. Increased intake valve – ø 25 mm, made of a special steel alloy and a special heat/chemical treatment.
* Increased exhaust valve – ø 22.2 mm and made of Nimonic 80 material (Nickel, Chromium, Titanium, and Aluminium alloy).
* Exhaust and Intake valve springs made of Si-Cr oil-tempered and annealed steel, designed to operate optimally under increased loads due to increased engine power.
* This new head was developed to be used exclusively with Malossi / Polini cylinders for the displacements 125 cc / 180 cc. , while with all other displacements, this new head can be used with the original cylinders. The head is pre-assembled and ready for installation.
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