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Racing Cylinder D.R. by SIP

50cc for Vespa 50 1° Serie,
Ø 38,4mm, cast iron, 3 ports,
conrod 0,0mm,
w/o cylinder head,
cylinder base turned for V50
1° series


Ladies and gentlemen, start your engines! DR, one of best known Italian tuning manufacturers offers beginners a well balanced 50cc tuning kit. This 50cc tuning kit is nicely made comes with 3 transfers and is spiced up with a pinch of extra performance. Outwardly, identical with the original and moves with slightly faster acceleration and top speed: this is sure to turn up the heat under your everyday riding around town.

The 50cc OLYMPIA and the 50cc DR are identical in construction, so OLYMPIA is a good alternative, should no DR be in stock.

Conclusion: moving into the realm of Vespa tuning starts with the DR; good quality and durability with a small performance plus puts this kit in the forefront.


Cast iron/ 38.4mm bore/ 3 transfers/49.80cc

Cast iron cylinder, 43mm stroke, 3 transfers, pistons with 2 piston rings, 6mm exhaust studs, delivered without cylinder head, the original cylinder head can be still used. Includes gasket set, compression 8:1. Jets should be adjusted. Fits all Vespa 50/PK/XL/XL2 models, except PK automatic. Transfers match the originals, casing must not be modified.


SIP-TIP: Main jet 53-55mm and new spark pugs are mandatory. Your motor will be more sportier with a 16/ 16 carburettor, original exhaust with a fat manifold or the SITO Banana.


SERIE PRO also manufactures cylinders for Vespa 50 1° Serie V5A1T -> 92876. We've modified them so that they fit the first 50's Vespas with their smaller cylinder base connection in motor block.

Customers also searched for this article with:  race cylinder, performance cylinder, race cilinder, tuning cylinder

icon explos Spare Parts Catalogue
This article can be found in the following exploded drawings ... go Go to Exploded Drawings!
41021000 $63.92
41031000 $74.27
Our Alternatives
for this item
10005100 $126.92
24201600 $147.59
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87050000 $1.13
45102000 $83.67

2,052g / piece
Stock on hand   Amount


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divider Productname divider Art. No. divider Price divider Stock
Racing Cylinder D.R. by SIP 50cc for Vespa 50 1° Serie, Ø 38,4mm, cast iron, 3 ports, 10002100 $111.87
icon scootermodels This product fits the following models
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA 50 / N 50 V5A1T 2T AC `63-`71 -> 92876, 1. series

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