I have some 28 bottom pull carbs if your in a bind from an sx.Iven trying to find someone whos has a 38mm keihin carb for my 94 sport cruiser jet ski. Ive tried craigslist, ebay but no luck. is there any one on this forum that rides in oahu that has or knows someone that has a 38mm keihin that will fit my 650SC, any help?