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Tuning Kit POLINI Sport 177 cc for Vespa 125 GTR 2°/TS/150 Sprint 2°/V/Super 2°/PX125-150/PE/Lusso ->'94
Part no.: 10103000
Including VAT Free shipping
11,4kg / Piece
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Tuning Kit POLINI Sport 177 cc

for Vespa 125 GTR 2°/​TS/​150 Sprint 2°/​V/​Super 2°/​PX125-150/​PE/​Lusso ->'94

  • Ø 63mm
  • stroke 57mm
  • with SIP Road, clutch plates, POLINI air filter, carburettor SI 24 (w/​o separate lubrication), etc.
TUNING SPORT - high-performance
For race use only. Not admitted in the area of the German StVZO!
2 ratings
Including VAT Free shipping
11,4kg / Piece

Product description

The tuning jungle is big, the range of products available is massive and the possibilities are almost infinite. Over the years, a range of most wanted combinations have crystallised in the area of road tuning which fulfil the same requirements: a clear increase in performance, a better exhaust performance and higher top speed, good durability, easy installation, no or limited changes to the engine case, conversion-back possibility, and a good price performance ratio.

The Tuning Kits include most customers' and the SIP team's favourite combinations. They are a very good upgrade for the corresponding engine. They are sporty but great for touring use at the same time. They include all the necessary small components and are therefore the ideal first step for anyone with no previous knowledge of tuning whatsoever.

The ROAD Kit is the starter kit. With this kit, attention has been paid to providing a low cost package which still provides superior acceleration and a higher top speed.

The SPORT Kit contains a high rev cylinder and frequently includes a bigger carburettor. This results in more power and higher speed. The carburettors mostly come without separate lubrication. Those who mix themselves know what happens in the combustion chamber.

The carb. jetting is an approximate value and at 0 m above mean sea level, Hamburg differs from the alps. Both kits represent a sound basis for further tuning. This is always associated with a change of crankshaft, however, which involves opening the engine. If the engine is already old and has done a lot of kilometres, an engine overhaul is recommended. If you're going to open the engine, you are advised to take the opportunity to extend your tuning job to include the crankshaft and gear components.

Conclusion: Tuning kits enable beginners to save money and stress and to benefit from the tuning experience the SIP team has gained over many years.


125-177cc tuning is very thankful and reliable.

With a little over 10 PS, the D.R. kit is a very good ROAD kit. The POLINI kit increases the performance from the original approx 6 HP to approx. 12 PS. The gear cog with 22 teeth transmits the higher revs into speed. Both kits are 'plug&play' tuning kits and do not involve changing the engine case. The kits for the 2 transfer ports come with a modified racing cylinder with matching cylinder base spacer. With the kits for the Vespa PX125-200 E Lusso`95->/`98/MY/`11/Cosa 2 models, the COSA 2 clutch gear wheel / friction plates are also included. The carburettors also come with separate lubrication.


ROAD KIT D.R: 177cc: racing cylinder D.R. 177cc, carburettor DELL`ORTO SI 24.24E from PX200 with/without separate lubrication, racing exhaust SIP ROAD, clutch gear cog 22 teeth Ø 96mm/COSA 2, spark plug, air filter SI PX200, 3 main jets, throttle slide, clutch nut/cage, ignition timing approx. 19°

SPORT KIT POLINI 177cc: racing cylinder POLINI 177cc, carburettor DELL`ORTO SI 24.24E from PX200 with/without separate lubrication, racing exhaust SIP ROAD, clutch gear cog 22 teeth Ø 96mm/COSA 2, clutch plates MALOSSI/NEWFREN, spark plug, air intake system POLINI, 3 main jets, throttle slide, clutch nut/cage, ignition timing approx. 19°


SIP-TIP: A lighter SIP flywheel or a VESPATRONIC/PARMAKIT ignition are also recommended. An Italian/English racing exhaust, a racing crankshaft, a bigger carburettor, GRAND-SPORT piston and MMW cylinder head are the next steps.

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Most helpful review

Leistung satt

Kit war einfach zu montieren, alle Teile waren mit dabei, läuft problemlos und hat richtig Leistung.


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File name File type Description File size
POLINI177cc_Datenblatt POLINI177cc_Datenblatt.pdf 0,14 MB Download
140,0080powertest Polini power test 1400080 0,01 MB Download
Dyno_POLINI177 Dyno POLINI 177 0,21 MB Download
Clutch technology Clutch technology 2,96 MB Download
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