love the help you give.have 2000 scrambler 90.saw your post about polaris "non bulletin"regarding thumb over intake tube.have replaced everything from new carb. to new stator and almost everything in between!will only run properly when i shoved a rubber hose into air intake tube which shrunk the diameter of the hole to about half of original sizeruns great like that.what do you think?????????????

 

If it works and doesn't starve for air at high speeds go with it! OPT