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Pinasco Cylinder Kit 177cc cast iron 57mm stroke Vespa PX 125cc

Pinasco Item no.: PIN-25031805

Pinasco Cylinder Kit 177cc cast iron 57mm stroke Vespa PX 125cc


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Data Sheet
Suitable for (30)


Andrea Pinasco was one of the first mechanics who successfully tried to improve the performance of classic Vespa scooters, and his company Pinasco consequently became one of the household names for Vespa tuning. Carburetors, cylinders, exhausts, crankshafts - everything to make your vintage Vespa run better and faster.

Pinasco Cylinder Kit 177cc cast iron 57mm stroke Vespa PX 125cc, relaunch of Pinasco's classic 177cc racing cylinder. It is a cast iron 'Big Bore' (63mm) cylinder that will increase displacement up to 177cc while allowing to retain the original crankshaft. Port timings are designed for racing, with excellent power and impressive torque throughout the entire rpm range; with great torque already available at low rpm.

The cylinder is made of hard-wearing cast iron and comes with a 2-ring piston and a special cylinder head with central spark plug. The cylinder is basically plug and play, with a sufficient increase in power for those who do not want to invest money, time and effort into tuning projects. There are, however, options for modifications and upgrades.

We recommend using a reinforced Pinasco crankshaft with 57mm stroke.

  • cast iron cylinder
  • 2-ring piston
  • HC cylinder head
  • gaskets

Data Sheet

Name Pinasco Cylinder Kit 177cc cast iron 57mm stroke Vespa PX 125cc
Item No. PIN-25031805
Brand Pinasco
Homologation No
Homologation No
Displacement 177cc
Stroke 57 mm
Conrod Length Standard
Product Line Sport
Material Cast Iron
Bore 63 mm
Piston Pin Original

Your product goes with the following manufacturers and their models:


Star 125cc 2-stroke

Vespa PX T5 Cosa

125 Cosa CL (VNR1T)

125 Cosa CLX (VNR1T300)

125 Cosa CLX (VNR1T301)

125 PX 1977 - 1982 (VNX1T)

125 PX 1983 (VNX1T)

125 PX E 1981 - 1985 (VNX2T)

125 PX E Lusso 1984 - 1997 (VNX2T)

125 PX E Lusso Elestart 1984 (VNX2T)

150 Cosa CL (VLR1T)

150 Cosa CLX (VLR1T300)

150 Cosa FL (VLR2T)

150 PE 1981 - 1983 (VLX1T)

150 PX 1978 - 1984 (VLX1T)

150 PX 1980 (VLX1T)

150 PX E 1978 - 1984 (VLX1T)

150 PX E Lusso 1984 - 1997 (VLX1T)

150cc PX Arcobaleno 1983 - 1984 (VLX1T)

P150S 1978 - 1984 (VBX1T)

Vespa Rally Sprint GT

125 GT 1964 - 1973 (VNL2T)

125 GTR (VNL2T)

125 GTR 1968 - 1978 (VNL2T)

125 TS (VNL3T)

125 TS 1975 - 1978 (VNL3T)

150 Sprint (VLB1T)

150 Sprint 1965 - 1974 (VLB1T)

150 Sprint Veloce (VLB1T)

150 Sprint Veloce 1969 - 1979 (VLB1T)

150 Super (VBC1T)

150 Super 1965 - 1979 (VBC1T)

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