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Polini Cylinder Kit 100cc P.R.E. 50mm / 50mm stroke Piaggio Zip SP LC

Polini Item no.: P140.0220

Polini Cylinder Kit 100cc P.R.E. 50mm / 50mm stroke Piaggio Zip SP LC

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Data Sheet
Suitable for (3)


Italian tuning specialists Polini are introducing their outstanding P.R.E. racing kit (Polini Racing Engine), and this is the engine's heart: Polini Cylinder P.R.E. 100cc Piaggio. The cylinder was designed to be combined with other P.R.E. components - crankshaft, crankcase, intake etc.

The cylinder is based on Polini's 125cc GP cylinder, the well-known racing kit that was used successfully at several Moto GP World Championships. It differs quite a bit from Polini's equally famous "Big Evo" cylinders in so far as stud bolt layout is completely different, allowing for much bigger cooling channels (close-deck system) and a very large exhaust port with central bridge. The cylinder head is the same as the one used in the GP 125cc kits, with a 6-scew fixing system and special combustion chamber.

  • 50mm stroke
  • 100mm connecting rod
  • 1-ring piston, 14mm piston pin
  • 5 transfer ports
  • bridged exhaust port (for 3-screw flange)
  • monobloc cylinder head

Note: due to the different stud bolt placement, this P.R.E. 100cc cylinder cannot be mounted with original crankcases. You can only use it with Polini's P.R.E. crankcase.

Not street-legal, designed for racing!

Data Sheet

Name Polini Cylinder Kit 100cc P.R.E. 50mm / 50mm stroke Piaggio Zip SP LC
Item No. P140.0220
Brand Polini
Homologation No
Displacement 100cc
Stroke 50 mm
Conrod Length 100 mm
Product Line Hyper racing
Material Aluminium
Bore 50 mm
Piston Pin 14 mm

Your product goes with the following manufacturers and their models:


Quartz 50cc LC

Zip 2 SP 50cc LC

Zip SP 50cc LC

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