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Cylinder Polini Big Evolution 84cc

Polini Item no.: P140.0209

Cylinder Polini Big Evolution 84cc

€400.00

€339.15

A saving of

Including legal taxes + shipping costs .

Description
Data Sheet
Suitable for (31)
Reviews

Details

Polini also 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 Evo IV 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 re-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.
Requires a crankshaft with 85mm conrod!

Data Sheet

Name Cylinder Polini Big Evolution 84cc
Item No. P140.0209
Brand Polini
Homologation No
Homologation No
Displacement 84cc
Stroke Original
Conrod Length 85 mm
Product Line Hyper racing
Material Aluminium
Engine Type 2-stroke
Cooling Type LC
Bore 52 mm
Piston Pin 13 mm
Number of Piston Rings 1
Cylinder Head Included

Your product goes with the following manufacturers and their models:

Aprilia

SR 50cc Funmaster LC (after 07/2003) - Piaggio engine

SR 50cc LC (after 07/2003) - Piaggio Engine

SR 50cc R Factory i.e. LC (after 2005) - Piaggio Engine

SR 50cc R LC (after 2005) - Piaggio Engine

SR 50cc Racing LC (after 07/2003) - Piaggio Engine

SR 50cc Sport LC (after 07/2003) - Piaggio Engine

SR 50cc Street LC (after 07/2003) - Moteur Piaggio

Derbi

Atlantis 50cc LC (after 06/2002) - Piaggio

GP1 50cc LC - Piaggio

GP 1 Open 50cc

GP1 Racing / Revolution 50cc LC - Piaggio

GP 1 Racing 50cc

GP 1 Replica 50cc

GP 1 Revolution 50cc

Gilera

DNA 50cc LC

Runner 50cc LC (1999 - 2000)

Runner 50cc LC (after 2004)

Runner 50cc LC (before 1999)

Runner 50cc LC CAT (after 2001)

Runner SP 50cc LC (after 08/2004)

Piaggio

NRG 50cc LC

NRG Power DD 50 (after 2005)

NRG mc2 50cc LC (after 1998)

NRG mc2 50cc LC (before 1998)

NRG mc2 DD 50cc LC (after 1998)

NRG mc2 Extreme 50cc LC

NRG mc3 DD 50cc LC CAT

NTT 50cc LC

Quartz 50cc LC

Zip 2 SP 50cc LC

Zip SP 50cc LC

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