Registered Forum User
Mille
Posts: 150
Join Date: May 2005
Location: Tyne and Wear
Mood: I've bought a 900SL!
Hmmm It looks like it alters fuelling by restricting the air bleeds. I'd say there's no substitue for getting carbs jetted properly in the 1st place and this would be a last option solution when everything else fails... but thats just my cynical opinion.