cool cool. ya ive been on bikes since i was 8 when my dad got me an 1980 rm60. ill say one thing for that little bike. that little thing never ,EVER gave me problem #1. out of all bikes ive had since,(im now 42) that little rm60 was the most mechanically sound machine ive ever ridden. i remember this spot that somebody had dug out with a backhoe or something and made like a half bowl about 10 ft high. by the time i outgtrew that little 2 stroke my friends and i were seeing how many of each other we could jump over from the ramp we had groomed it into. i dont dare jump the 500 like i did that little 60 34 years ago. i just dont have the desire to hit an airplane. ive pretty much worked in my bikes from about the time i was 18 orso when my dad thought i should be putting my money into other things . he was right ...but oh well. never have broken any bones on a bike. knocked myself out once ,got some nastry dirt rashes . even once when i had my 91 kx250 i failed to see a barbed wire fence gate wasnt open until the final seconds an d use the the full front brake,went over the bars and bounced under the bottom strand to end up on the other side with my bike tangle in the fence. first thing i did was looked for cuts. i had oe of those little "HALF SQUARED" barbed wire cuts on the back of my flannel jacket. and that was all. no kidding. and once sprained both my ankles landing a jump,while i layed out in the desert waiting for my friend to show up and contact my parents. that one hurt. i got my boots cut off on that one,spent a while on crutches. but anyway back to these jets. i looked at that site from the link you shared and i managed to figure out one thing. even if i do manage to acurately cross number the jet needle i have right now.that wont be the one i want. so how can i know the # for the n82t without having one to go by?