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Racing Cylinder D.R. 135cc

for Vespa P80X/PX80 E/Lusso
Ø 60,0mm, cast iron, 7 ports,
stroke 48mm, 2 piston ring(s),
with cylinder head


Always dependable, this is an all time favorite. DR has been around a long time and was one of the first to offer conversion cylinders for the 80ccm Vespa PX series, and they're still on top with continuous customer satisfaction.

DR is the Nr. 1 conversion cylinder on the market for the PX 80. They may have well coined the phrases "unbreakable" and "satisfaction guaranteed".

The cast iron cylinder is imposing with 7 transfers, a triple boost port and high quality ASSO piston, together with upper L - piston ring. DR turns an underpowered standard vehicle into a pepped up touring machine with up to 8.4 PS and 6500 rpms with top speeds up to 95 kmh.

Included in delivery is a copy of an inspection report which often helps getting clearance with the authorities, which will put you in a lower insurance class. The report is no longer valid, but usually still effective.

Conclusion: the DR is the classic of all conversion cylinders; dependable and durable. Want more? Then you'll have to install the 57mm stroke crankshaft from a 125/150 model and use the cylinder from the larger 177ccm class.


Cast Iron/ 60mm Bore/ 7 Transfers/ 135.72cc

Cast iron cylinder, 48mm stroke, 7 transfers, triple boost port, piston with 2 piston rings, upper ring as L - ring. Original DR cylinder head is included in delivery as well as gasket set. Crankcase will not need modification; jets and ignition should be checked and optimised.


SIP-TIP: Adjust jets and replace spark plug, both an absolute must. Harmonizes well with 24/24 SI carburettor, a longer primary and SIP Road or SITO Plus exhaust. Vespatronic ignition or HP4 flywheel are both a good addition to round out the upgrade.


SIP-Community User "schwaechling ":

"Topnotch. Power plus in lower speed ranges. In the meantime, driven it over 5,000 km and can highly recommend."

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

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This article can be found in the following exploded drawings ... go Go to Exploded Drawings!
24166200 $127.36
23000000 $103.67
24156300 $147.11
50010000 $127.36
38348800 $93.79
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Racing Cylinders

This item is in stock in sufficient quantity.

4,600g / piece
Stock on hand   Amount


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Spare Parts
fits on the following articles
divider Productname divider Art. No. divider Price divider Stock
Tuning Kit D.R. ROAD 135cc for Vespa P80X/PX80 E/Lusso /PX100E, 10100000 $384.06
icon scootermodels This product fits the following models
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA P80 / P80 E (Frankreich) 80 V8A1T 2T AC `80-`84
VESPA P80X/PX80 E 80 V8X1T 2T AC `81-`83
VESPA PX 80 E Lusso/ EFL/ Arcobaleno / Elestart 80 V8X1T 2T AC `83-`90
VESPA PX100 E 100 VIX1T 2T AC `83-`84

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