hi fella,s just joined this site and just aquired an aprilia climber , would appreciate some feedback on a couple of issues , iv,e had loads of bikes over the years but never a rotax jobbie and as you all know they all have thier own ways of getting on your last nerve . so first off bike runs for 5 seconds and dies ,cleaned carb out with airline , the same! mains are rumbling , plug soaked when stops ,and what is the 2 stroke mix on this bike , regards lee