Double dang! Thanks for such a detailed explanation. I've had my shee for about 8 months or so. Ive only ever ran it on the blacktop roads near my house so today I finally took it to an atv park (Sandhill ATV south MS) which is 300+/- acres of sandhills (i guess yall call 'em dunes out west, idk.) Anyways, on the blacktop it pulls fine throughout the gears. I guess the load the uphill sand puts on it changes all that. In first gear it would rip out the hole then, after shifting into second, it would bog momentarily (felt like lack of power or maybe too rich on the pilot) but as soon as it got a few R's up it would rip on through the powerband in 2nd np. But, 3rd wouldnt do shit; It would just bog as and drop off from there. Im pretty sure I wasnt shifting from 2nd to 3rd to soon. When i got to the atv park (while it still had turf tires on it) I took it out on some relatively flat sandy areas and went through the gears and throttle (1/4 to 3/4 to WOT etc. etc.) It bogged some out the hole so I turned the pilot screw down a half a turn, fixed that problem. The turf tires are 20 inch and sand tires i have are 21inch geckos, maybe that was part of it? Guess ill also get a 13 tooth sprocket to bring with me next and try that.