Pinasco SI 26/26 ER carburettor without mixer for Vespa

Description

Version with effective carburettor diameter 26 mm. All "SI" model carburettors can be installed on all large-frame Vespas from the 1959 VBA to the latest PX. With enlarged float chamber holes. Max jet 122, min. 60-160, emuls. BE3, air brake 160. PINASCO "R" SPECIAL SERIES CARBURETTORS has been developed for the racing world and for the most demanding tuners. The modifications made to the Pinasco "R" carburettors increase carburettor performance and allow for more efficient and precise carburetion. All Pinasco carburettors marked with the letter "R" have CNC-machined internal fuel passages that ensure optimal fuel flow and eliminate the "fuel starvation" effect. The float cover is also fully machined in the passages, ensuring perfect filling of the float chamber. In the SI 26/26 "R" series, the "Venturi" has been further machined to increase the nominal diameter and achieve a maximum size of 26.00 mm instead of the 25.40 mm of the economy version. The "R" carburettor, as far as the SI series is concerned, represents the top of the range and is exclusive to Pinasco. The R carburettor is also available in the VRX version with the classic venturi machined from solid, and the range has been expanded with the new VRX horn dedicated to all 20/20 carburettors. To optimise carburetion, Pinasco has developed a series of special idle jets 55-58-60-62-65-68/160, which can be purchased in a convenient kit.

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