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50cc top end kit Ø40mm 2FAST FASTINO DERBI euro 3, 4 & 5

CY50D

50cc competition version of the 2 FAST DERBI Euro 3, 4 and 5 kit

Engine preparation
€408.33
Quantity
Shipping in 1 to 3 days

Description

The famous 2FAST 50cc kit for DERBI EURO 3, 4, and 5 engines... also known as FASTINO for "little FAST." Cylinder bore and stroke: 52x52mm, like the original DERBI , designed for a 40mm stroke and 90mm connecting rod, also like the original! Often used for modifications to competition engines, it's the only serious competitor to the BIDALOT RACING WR. This engine is clearly designed to deliver its full power at high RPMs; it's a true competition engine that requires a large carburetor, a tuned exhaust, and sound technical knowledge to be fully exploited!

The piston is identical to the BIDALOT WR RACING FACTORY, but the BIDALOT one has a lightweight pin while this one has a standard pin!

Product Details
CY50D
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Kit 50cc high engine Ø40mm... Quick view

Reference: 034000

CARENZI Compétition

Kit 50cc high engine Ø40mm CARENZI cast iron DERBI euro 3 & 4

The latest cast iron from CARENZI, the high cast iron engine which brings a very good performance gain on DERBI euro 3 and 4 while preserving the solidity and the legal displacement of 50cc.

Price €141.66
Attention, may require a delay of more than 20 days!
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Attention, may require a delay of more than 20 days!