M2R go to the tech tips or use the search function type"carby cleaning" there is a tutorial on it ...after that you'll know what's goin on ... no offense bruz but ya gotta know a bit at your end if we are gunna help, there isn't that much to know it'll take a few hours tops ....other than that get a mate online that knows a bit about motors to come on ....but I reckon you should read the tutorial ... in fact there's lots of info in there ...you like a man with a wheelbarrow (ya got it all in front of ya ) so get in there and we'll speak more when ya know how to pull it down and what the various adjustments do ...not payin out on ya bruz without you knowin that we aint got a chance ...that's just the news