May have fixed Blackbird flatspot - Sportbike Forum: Sportbike Motorcycle Forums
 
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post #1 of 8 (permalink) Old 10-08-2000, 11:52 AM Thread Starter
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I made an alteration to the carbies on the weekend, I think it may go some way to fixing the dredded flatspot that is hampering us non FI bird riders.

I'm not ready to give it away just yet, as I have not been able to ride under full throttle,(due to wind & rain) and I may be wrong. So I'll keep you posted


Ross

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post #2 of 8 (permalink) Old 10-09-2000, 10:35 AM Thread Starter
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Yep, the changes have made the flat spot, less of a problem.

What I did was, add a small washer to the base of the needles, to lift them a little, this had the impact of making the mixture a little richer.

Not sure on fuel consumption, it will take a week or so to find out.

Thus far I'm pretty happy with the result.

Ross

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post #3 of 8 (permalink) Old 10-09-2000, 01:56 PM
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screw the fuel, it runs good thats what matters, it isn't a car, bad milage on a bike is still better then any car or truck,are you running the stock aircleaner,filment?

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post #4 of 8 (permalink) Old 10-10-2000, 10:48 AM Thread Starter
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Hi Dave, I'm running the standard air filter, I was considering the K&N, but it was $207.00 nzd vs $120.00 for the Honda one.

At the same time, I changed to semi synth and balanced the carbie's as well, so I can't give all of the improvment to just lifting the needles, but I'm sure (seat of the pants) I've got more mid range.


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post #5 of 8 (permalink) Old 10-10-2000, 01:56 PM
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hi ross, i use the same oil to i think its preaty good, i got look up the cost of a k&n i thought it was about 100$,200 is alot.

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post #6 of 8 (permalink) Old 10-10-2000, 02:47 PM
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Ross, keep 2 things in mind regarding the air filter;..
#1,..the K&N will last forever, due to they can be cleaned and reoiled.
#2,..if you put the K&N in, your bike will run a tad leaner, due to more air flow.

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post #7 of 8 (permalink) Old 10-11-2000, 02:08 PM
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ross i work at a bike dealership and i checked the shelve, we have a k&n for a 97 to 98 cbr1100, its 85.99, man there preaty high priced by you

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post #8 of 8 (permalink) Old 10-11-2000, 04:26 PM Thread Starter
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Yep, it was twice the price. but if you've looked at the exchange rate for the NZ dollar at the moment, it sucks...

We got a Labour gvt in at the moment and they have been instrumental at stuffing our dollar thus, high import prices. ( BTW the prices I quoted were in NZ dollars).


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