Scootering - - Practical Scootering -

We had a cou­ple of fol­low-up enquiries last month, to ask what jet­ting was used when we fit­ted the 26mm carb in­stead of the 20mm carb. Af­ter a few dyno ses­sions, we fi­nally matched the pre­vi­ous air/fuel ra­tios of the 20mm ver­sion by us­ing: 120 air cor­rec­tor, BE5 atom­iser, 110 main jet and a 55/100 pi­lot. These jet sizes were in con­junc­tion with the Zeus ig­ni­tion unit, a BGM ex­haust, a BGM 177 kit and 60mm crank, fit­ted to a 2015 Vespa PX125, with un-ported cas­ings.

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