Question about 1999 Honda CBR 900 RR Fireblade

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Possable fuel/running problem

I've a 1999 RRX fireblade which i have had from new, since the start of this year i have experanced running problems.
The bike will start as normal then after a few mins of running die, like it is out of fuel, some time if i'm riding it bogg's down before it die's.

I have looked at the air filter which is new and then put the bike back together and it runs fine for a few weeks.

I don't have an inline fuel filter on it.

Any idears ???

Posted by on

  • boyd_hol Jun 17, 2009

    Thanks i'll try this, not very technical i take it the screw is on the carbs ?

  • boyd_hol Jul 23, 2009

    I have found the problem !! its the fuel tap there is a rubber Diaphragm inside the tap which is opened via suction from the carbs, this has started to perish causing it to close and starve the bike of fuel. A new kit can be purchased for about £35 and fitted in minutes.



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Yes it is a problem of Throttle, please adjust the throttle screw to high

Posted on Jun 16, 2009


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