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Racing Cylinder PINASCO 75cc
for Vespa PK50/S/XL Automatica
Ø 47,0mm, cast iron, 6 ports,
w/o cylinder head,
cylinder head must be modified
(17.5% more bore)
FOR RACE USE ONLY
"A leader in style and art", PINASCO tuning for the original, the Vespa Automatic Classic. Vespa PK automatic is the pioneer and cult icon of all automatics. What better way to begin for lovers of the old school Vespa look! Has your vintage motor lost some of it's oomph? Your heart yearns for more power? PINASCO has the answer. 6 tranfers and a modern cylinder layout are the keys to a performance increase up to 5.3 PS. Top speeds up to 70 km/h are now yours. To top it off, PINASCO rounds off the picture with a solid ASSO piston. High quality piston rings guarantee maximal mileage and dependable sealing. The upper ring is offered routinely as "L"-section ring.
Conclusion: High quality cylinder - and the only tuning possibility for 50cc automatic Vespas. Good torque in lower ranges. Noticeable power increase and a lengthened stroke. Reliable partner for cruising round town.
Cast iron/ 47mm bore/ 6 tranfers/ 74.60cc
Cast iron cylinder, 43mm stroke, 6 transfers, piston with 2 piston rings - 1x 1.3mm, 1x L-ring, 6mm exhaust studs. Jets should be adjusted. the cylinder head must be modified. Fits all Vespa PK 50/XL Automatic Plurimatic, ONLY for Vespa automatic models.
SIP-TIP: Main jet modification and new spark plug are a must here. The cylinder head 18510000 is the better alternative than machining the original one. The SITO PLUS is an ideal complement.
OEM Numbers (for the purpose of comparison)
K0850 10010850 (PINASCO)
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