Hey Rook, I told you before about the Gen 3 Hayabusa my friend has - 2023, Yoshimura full exhaust, Sprint air filter, velocity stacks, Moore Mafia flashed ECU. Earlier this year he put a +2 on the rear sprocket. My 2012 14R had the stock gearing, 17 front 42 rear. We did a roll on race, 40 mph in second gear. As soon as we shifted to 3rd he said I started to pull away. About a month or so ago, he wanted to try it again. He said his Busa seemed to be running stronger and according to him it was finally broke in. We went out on a secluded highway. He wanted to do a roll on from 4th gear. Ok. I'll give you the hit. He took off then I did. He was at least 4 car lengths or more in front of me when I took off. I finally caught him at 160 mph. I was thinking yeah, his bike is running stronger.
He called me the next night and said I have to tell you something. I went down 1 tooth on the countershaft sprocket.
Well, I have to say, it made a world of a difference.
That's when I figured I was going to put a 44 tooth sprocket on. You know what happened with that by reading this thread. Stuttering, bucking. Like I said before in this thread, I went back in time on Bikeland and found out the perfect combination for gearing for acceleration and no stuttering. It's what Lee Pritchard (smokin) always had on his 14R for drag racing - 16 front 43 rear.
I messaged my buddy a week ago Friday and told him I went up 1 tooth on the rear sprocket and wanted to see if it made a difference against his bike. I didn't tell him I went down 1 tooth on the countershaft sprocket.
We went out for breakfast Saturday morning and then hit the road. 1st try, 40 mph 2nd gear roll on. As soon as we both hit it, my rear tire broke loose and spun so fast it hit the rev limiter. I had to abort the run. I pulled up to my buddy and held up 3 fingers. He then held up 3 fingers. OK, will start in 3rd gear. We took off and when I finally let off I looked in my right mirror to see where he was. He was so far behind me I said to myself did he let off? I'm not kidding. He was at least a block behind me. We stopped at what is called Double Ditch and got off our bikes. He didn't say a word about the race. I finally asked him if he thinks the sprocket I put on helped. I did tell him then that I also went down 1 tooth on the countershaft sprocket. He said yeah. That wasn't a race. It was more like a slaughter.
Something else he did. He had siphoned 4 gallons of gas out of his bike before he left his house to make it lighter. I really think he thought it would be a close race.
I just had to tell you about this. What a great combination of gearing for the 14R. I should've done it years ago.
* Last updated by: mokaw on 10/23/2024 @ 10:13 AM *
