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- Cylinder -PINASCO 177 ccm 2 channel aluminum V2.0 - Vespa Sprint150 (VLB1T), GT125 (VNL2T), Super150 (VBC1T 328128-)
Pinasco always uses the 3-channel cylinder as the base cylinder for the aluminum versions of its popular 177cc touring kits. On the 2-channel versions, however, this is turned down at the base by the thickness of an enclosed spacer. The spacer covers the third overflow channel, which is no longer filled via the engine housing, but through a cut-out in the upper piston skirt.
An extension of the gear ratio is interesting if the engine is to be driven frequently on the freeway or at low revs.
Pinasco's jetting suggestion is specified with a 108 mm main jet for the 20 mm SI carburettor and a 118 mm main jet for the 24 mm SI carburettor. The Pinasco can almost always be run with the lean combination of 190 main air correction jet and BE 4 mixing tube.
The V2.0 version offers no technical innovations, but Pinasco has changed the foundry and the piston of the 2-channel version (which has a milling for the support channel) is now also used in the 3-channel version
(US).
