Question about 1994 Yamaha FZR 600

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Fuel leak

Hi people, im new to the site. Ive just bought a FZR 600 and have a problem that i was hoping for some help with... I start her up and after about say ten seconds she cuts out and starts leaking fuel . It seems to be coming from just above the front of the battery bay, well back from the carbs, but its hard to tell. I cant see any fuel pipes around that area. Its a fair amount and it keeps leaking for a while after the stall then stops. I will add that i know nothing really about bikes. I also charged the flat battery with a car battery (car not running). Dont think this is important though?

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Sounds like one or more of the floats in the carbs is not seating, allowing the fuel to overflow the carbs. This would likely mean there is some trash or varnish in the float bowl. But, of course, there is a possibility that a fuel or vacuum line is leaking or has become disconnected. See, the fuel tap, also called the petcock, when it's set on RUN or ON only flows fuel when the motor is supplying vacuum to it. You may be able to switch it to PRI (Prime) and then find where it's leaking from. This way you don't even have to run the motor to get the fuel to flow. Good luck, keep us posted.

Posted on Nov 10, 2008

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Sounds like one or more of the floats in the carbs is not seating, allowing the fuel to overflow the carbs. This would likely mean there is some trash or varnish in the float bowl. But, of course, there is a possibility that a fuel or vacuum line is leaking or has become disconnected. See, the fuel tap, also called the petcock, when it's set on "RUN" or "ON" only flows fuel when the motor is supplying vacuum to it. You may be able to switch it to "PRI" (Prime) and then find where it's leaking from. This way you don't even have to run the motor to get the fuel to flow. Good luck, keep us posted.

Posted on Nov 20, 2008

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