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Polini Crankcase P.R.E. 100cc Piaggio Zip SP LC

Polini Item no.: P050.0952

Polini Crankcase P.R.E. 100cc Piaggio Zip SP LC

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Data Sheet
Suitable for (23)


Tuning specialists Polini introduce their outstanding P.R.E. racing kit (Polini Racing Engine), and this is the basis for all the high-end components: the Polini Crankcase P.R.E. 100cc Piaggio. The crankcase is based on the crankcase layout for short Piaggio engines which is the engine mostly used at the Polini Cup. Even though the base is quite similar, the details and the remaining engine components are quite different.

  • increased crankcase volume
  • innovative support to optimize cylinder to exhaust alignment
  • made from light alloy
  • reinforced bearing seats
  • improved torsional resistance

The P.R.E. crankcase is a high-end piece of equipment, designed for the race track and for dedicated tuners. As such, it is customizable - you can add different tuning parts such as a lighter / heavier flywheel. It also offers the possibility to use different brake systems, both in combination with the Polini Torsen WD swingarm: you can either run it with a standard drum brake and original rim or you can switch to disc brake if you upgrade your scooter with the new P.R.E. engine mount plus Polini rim + 2-piston caliper.

The crankcase is "empty", that means without bearings and oil seals (and any other engine components).

Data Sheet

Name Polini Crankcase P.R.E. 100cc Piaggio Zip SP LC
Item No. P050.0952
Brand Polini

Your product goes with the following manufacturers and their models:


Scarabeo 50cc AC (2005-2006) (Piaggio engine)


Quartz 50cc LC

Sfera 1st series 50cc AC (1991 - 1994)

Sfera NSL 50cc AC

Sfera RST 50cc AC

Vespa S 50cc 2-stroke AC

Zip 1st series 50cc AC (1991 - 1994)

Zip 2 50cc AC CAT (after 1999)

Zip 2 50cc AC as from 2009 (LBMC25E)

Zip 2 SP 50cc LC

Zip Base 50cc AC (after 1999)

Zip Base 50cc AC (before 1999)

Zip FastRider 50cc AC

Zip RST 50cc AC (1996-2000)

Zip SP 50cc LC

Zip SSL 25 (after 1999)

Zip SSL 25 (before 1999)


ET2 50cc AC ZAPC 16000

ET2 50cc AC after 2000 ZAPC38100

LX 50cc AC - 2-stroke

LXV 50cc 2-stroke AC

Primavera 50cc 2T AC after 13

S 50cc 2T AC after 07

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