ok my 2008 nytro belt only seems to ride 3/4 up my primary clutch, is all of you ppl with this sled have the same thing, i do all my riding at 0-2000 feet not sure on what my weights are and running a black spring but it engages at 3700 rpm and would like it to engage at about 4200 shes my drag sled, i switch over this year so, and i was going to buy a clutch kit of a guy here but i couldnt get my act together so just told him sorry, very rare of my so if someone has a set up and can explain to me about the clutch thanks all