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Took the new to me Aprilia to the TTD yesterday. Its equipped with a DynoJet quick shifter. I was having some real issues with it upshifting when going over the hill in T5 at NHMS. 90% of the time, it would hit a false neutral, then go into the gear I wanted it to be in.
I spoke to a few others who use quickshifters and they're puzzled. I tried a few different methods, slowly pushing the lever down, pushing the lever down, then leaving my foot on the pedal, and a quick hard push on the pedal. It was only over T5 that I had the issue. Upshifting on the front straight was fine, although once in a while, the bike would seem to "skip" or pause in acceleration.
Someone suggested replacing the activation switch, with one that is a pressure type and attaches directly to the shifter rod. The one I have activated linearly with a piece that rotates off of the shifter knuckle.
I did give Oxx and Rob a good show. I pulled a nice wheelie when it hit neutral and then caught while I was still on the gas. I also almost went over the bars when similar happened and it caught halfway down the hill. I hut the brakes so hard that the rear wheel came off the ground and stayed up for at least 3 seconds before touching back down.
I'm inclined to just disconnect the quick shifter and just ride stock, but I'd really like to work through this problem, even if it is how I'm shifting. I just find it odd that I didn't have any issues upshifting on the front straight.