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"Polini Air Filter ""Air Box Foam"" 45€ angle 39mm l.105mm"

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Polini Item no.: P203.0050

"Polini Air Filter ""Air Box Foam"" 45€ angle 39mm l.105mm"

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Race type airfilters feature a significantly larger surface area than the original ones, thus reducing suction resistance (a similar effect may be noticed when trying to breathe through a straw as compared to breathing freely). This translates into more fuel-air mixture reaching the combustion chamber. The mainjet of the carb has to be changed to a larger size to make sure the fuel-to-air ratio remains the same, thereby preventing the cylinder from overheating due to a lean mixture. The downside of this modification is the slightly increased noise level. Polini airfilters come in a choice of 4 different shapes and 3 different connecting diameters.
36mm will fit Dellorto carbs from 12-17mm, Amal from 17-21. 32mm for Dellorto 19-21, 39mm for Dellorto 24-26. The Axwin airfilter is long and straight and will fit any Dellorto and Amal carb from 12 -21mm with a universal adaptor.
Polini-39mm long-bent
Additional Information
Name "Polini Air Filter ""Air Box Foam"" 45€ angle 39mm l.105mm"
Item No. P203.0050
Brand Polini
Air filter connection 39mm
Angle 45°

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