Racing Cylinder POLINI 79cc
for Vespa LX 4V/S 4V, 50cc 4
PIAGGIO 50ccm 4-stroke AC, 4
Ø 49,0mm, aluminium,
2 piston ring(s),pin 13mm,
w/o cylinder head
FOR RACE USE ONLY
Just do it! This 79cc cast iron cylinder by POLINI provides a noticeable boost to the low and mid-range power of your motor. Raring to go, with an increased torque output and acceleration this performance cylinder is also very durable! These values are just the main advantages that this POLINI cylinder has over the original PIAGGIO item.
Cast iron cylinder / aluminium piston / 49mm bore / 6 PS @ 7500 rpm
Enlarged outlet, increased cubic capacity, higher compression ratio, original exhaust and carb compatible, simple installation and set up.
SIP-TIP : Do not forget to order a new, stronger pulley pressure spring, an 8-12 % larger main jet, taller overall gearing, a MALOSSI Multivar variator and a performance orientated air filter for a more harmonious overall set up.
OEM Numbers (for the purpose of comparison)
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