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Cylinder kit polini Big Evolution 94cc

166.0111

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Polini, too, ventures into the cylinder classes above 70cc. With the BigEvolution 52mm, Polini introduces two cylinders, either with 84cc (which means with original 39.3mm stroke) or with 94cc (which requires a 44mm long-stroke crankshaft). The bore here is 52mm, i.e. 2mm more than Malossi's BigBore cylinders, which is basically as far as you can go before you get into trouble with the cylinder studs. The outside shape is the same as the one used for the new Evo4 cylinders. Performancewise, the 84cc version should be on one level with the 70cc cylinder, with noticeably more torque, though. If you want more and don't mind working the crankcase, we recommend the 94cc version in conjunction with a 44mm long-stroke crankshaft with 85mm connecting rod, which will yield performance in the upper 20hp region. For those of you who are thinking about using this cylinder in racing: so far there are no racing classes that allow this cylinder to be used. The Top Class ends with 90cc max. while the Maxiscooter Class starts with 100cc, so you will have to wait for next year.

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CAD $539.99

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By buying this product you can collect up to 539 loyalty points. Your cart will total 539 points that can be converted into a voucher of CAD $8.09.


Data sheet

Engine TypeMinarelli Horizontal
Piston Pin13mm
Stroke44mm
Displacement94cc
Conrod Length85mm
Bore52mm

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Cylinder kit polini Big Evolution 94cc

Cylinder kit polini Big Evolution 94cc

Polini, too, ventures into the cylinder classes above 70cc. With the BigEvolution 52mm, Polini introduces two cylinders, either with 84cc (which means with original 39.3mm stroke) or with 94cc (which requires a 44mm long-stroke crankshaft). The bore here is 52mm, i.e. 2mm more than Malossi's BigBore cylinders, which is basically as far as you can go before you get into trouble with the cylinder studs. The outside shape is the same as the one used for the new Evo4 cylinders. Performancewise, the 84cc version should be on one level with the 70cc cylinder, with noticeably more torque, though. If you want more and don't mind working the crankcase, we recommend the 94cc version in conjunction with a 44mm long-stroke crankshaft with 85mm connecting rod, which will yield performance in the upper 20hp region. For those of you who are thinking about using this cylinder in racing: so far there are no racing classes that allow this cylinder to be used. The Top Class ends with 90cc max. while the Maxiscooter Class starts with 100cc, so you will have to wait for next year.

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