Anybody do a dyno test on their streetfighter

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Anybody do a dyno test on their streetfighter

Postby zero420 » Wed Mar 12, 2014 1:07 am

If so, please post your results. I'd like to do it but I need to find a place to do it around me.
Last edited by zero420 on Mon Mar 31, 2014 12:43 pm, edited 1 time in total.
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Re: Anybody do a dyno test on their streetfighter

Postby farmboy2721 » Fri Mar 28, 2014 7:35 pm

Mine is in the dyno shop right now, I was having some extreme carb issues. I put 158's and 155's in it to start and it seemed wrong, he checked the carbs and then dynoed it and said the air fuel ratio was over 17 :eek , now he is at 175 jets and it is at a 15.5 ratio. He is going to go up to 180's and/or 185's, he wants to go a little on the rich side since we are at 4000 ft and I'm going to be moving to a lower elevation soon. I don't know the current hp, but he told me that it has jumped 15 hp from where he started, as soon as he gets it tuned he is going to give me the numbers and I will post them. Hopefully it will be within the next week. :captain_nick:
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Re: Anybody do a dyno test on their streetfighter

Postby KBacon » Fri Mar 28, 2014 8:13 pm

Did you install a jet kit with diff needles??? Or still using the stock needles???
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Re: Anybody do a dyno test on their streetfighter

Postby farmboy2721 » Sat Mar 29, 2014 3:08 pm

With different needles and different main air jets. It is the FP 1.7 kit.
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Re: Anybody do a dyno test on their streetfighter

Postby Kasey0104 » Sat Mar 29, 2014 3:22 pm

That's crazy high! Let us know what kind of power you're putting down. You've gotta be pushing some serious numbers with mains that high.
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Anybody do a dyno test on their streetfighter

Postby chink » Sat Mar 29, 2014 5:32 pm

I have subscribed to this post cause I want to know the results. Also I wanted to know what was the final setup .


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Re: Anybody do a dyno test on their streetfighter

Postby farmboy2721 » Sun Mar 30, 2014 10:45 am

So the results are in!!! I picked my bike up last night and wow! It defiantly has more power than when I had the plastics still on it. Just a little back story Tibo from Fast By Few is who tuned my bike here in El Paso and he told me that my bike was the hardest carbureted bike he has ever tuned. He immediately fattened up the needles so he couldn't show me where it started with the 155 158 158 155 set up, however he showed me the first dyno run I believe he had 170ish needles in it and it pegged his o2 sensor on the lean side and the power curve looked like a rising EKG meter. He ended up running out of jets. He said it should be fine riding here at 4000 feet but if I move to a lower elevation I need to go up a few sizes. The final setup is, the needles are all the way as rich as they can go, the main air jets are 78 85 85 78, and the main fuel jets are 190 192 192 190. The final a/f ratio ended up being around 13 to 13.5. And for the number everyone has been waiting for, drum roll please, it is just under 90 hp at the rear wheel. I will upload the photo I have from the dyno.
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Re: Anybody do a dyno test on their streetfighter

Postby farmboy2721 » Sun Mar 30, 2014 10:47 am

89.49 hp
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Re: Anybody do a dyno test on their streetfighter

Postby farmboy2721 » Tue Apr 01, 2014 12:41 am

So today I did a little bit of algebra, I had to get some help it has been almost 10 years since I've played with x and y, and basically I took the formula for hp loss due to elevation, which is elevation x .03 x hp @ sea level / 1000, and flipped it around to calculate my approximate hp at sea level and I got 101hp. If you want to check my math the elevation here is 3800 feet and it put down 89.49 hp. I just figured I would throw this up for fun. If I ever get to sea level again I will definitely get my bike dynoed to see how accurate this formula is. :cheers
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Re: Anybody do a dyno test on their streetfighter

Postby ZackGS850 » Sun May 24, 2015 2:15 pm

I just put 200 mains in my fighter and wow is all I can say. So much power delivery and so smooth. No hiccups anywhere that I've found. I tried to use 80 and 85 pilots but no dice, Uber rich and fouled out.
It's doing great with stock pilots and the 200s though.
Anyone have an idea of a good pilot size to go with 200 mains?
I wouldn't be surprised if I was putting out 110 HP with this, the new plugs, the carb sync and the velocity Stack mod.
Now to find a dyno!
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