carburetor main jet ARRECHE 080, 17.5–24mm

Arreche carburettor main jet size 80 for all Arreche carbs from 17.5–24 mm.

Generally, an increase of 10–15% in the main jet size is a good option when fitting a race pipe.

Arreche carbs come with two jets for tuning purposes. Check your plug to see if your mixture is too lean or too rich.

Light brown = optimal
Dark to black = too rich
Grey to white = too lean, which can lead to seizures.