I have a redline and a sleeper06 trans. Both work great.
I have sleeper06 doing a N down pro mod for me.
And maybe one day I'll have camatv here cut me one.
It's not so much the trans, it's the shift components and clutch set up. This what I get for people when I do a bad shifting bike. I'm gonna assume your bone stock so I give a complete list. Work off of that.
-Basket with HD bushing backing plate and bolts
-pressure plate oem
-hub oem
-ceramic ball
-pancake bearing
-clutch (driveline or fast)
-modded shift shaft
-new eccentric
-shift pro kit (people say don't use there spring, I did on my girls bike)
-modded star (this is a preference type deal)
-white plastic bushing thing on shift shaft
-shift shaft spring
-Locking folding washer things for eccentric and basket
-jam nut for eccentric
-actuator
-cable
-good perch and lever