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2006 Yamaha Roadstar leaking fuel

This is a discussion on 2006 Yamaha Roadstar leaking fuel within the Yamaha forums, part of the Manufacturers category; I was wondering if anyone is having this same problem. I leak fuel from the carburetor after I turn the ...


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Old 02-22-2006   #1
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Default 2006 Yamaha Roadstar leaking fuel

I was wondering if anyone is having this same problem. I leak fuel from the carburetor after I turn the engine off. It doesnt happen all the time. It will also flood when Im trying to start it, and I look down, and gas is leaking down onto the pipes. Im not moving the throttle, but still floods. Any suggestions???
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Old 02-22-2006   #2
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Default 2006 Yamaha Roadstar leaking fuel

i'd get it fixed before you have a fire you don't want. It could be the float is set wrong or sticking or a gasket is bad. How old is it?
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Old 02-24-2006   #3
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Default 2006 Yamaha Roadstar leaking fuel

opps, i see it is an 06.??? Take it in.
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Old 02-24-2006   #4
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Default 2006 Yamaha Roadstar leaking fuel

float sticking would be my guess as well ......

might try running some carb cleaner in your fuel for a few tanks and see if it helps.......

Rat
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Old 02-25-2006   #5
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Default 2006 Yamaha Roadstar leaking fuel

I would take it in and get it worked on or if you dont want to do that then try getting in the habit of turnig off the fuel on the bike when you stop. I have a slight problem with mine wanting to flood and not crank on hot days and thats what i do and have no problems cranking the bike even on the httest days.
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Old 02-27-2006   #6
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Default 2006 Yamaha Roadstar leaking fuel

I've had this same problem if I give it gas while starting. I took it into the Grand Prix Motorsports in Highlands Ranch, CO. They adjusted the float, but it still happens. If I rely on the choke alone it doesn't seem to happen. It really freaked me out the first time to look down and see a puddle of gas on the ground!
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Old 02-28-2006   #7
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Default 2006 Yamaha Roadstar leaking fuel

Not normal nor operating as it should....get it serviced.

As for what is wrong....Im guessing as others have said....float issues.
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Old 05-13-2012   #8
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Wife & I have identical 07 Roadstar 1700 Silverados that are stock. Yamaha insist it is the poor fuel that causes "boilover". They suggest we use PREMIUM fuel and they put a charcoal filter drain (like on Cal. bikes) on hers but it still pukes fuel so much that it puddles on the engine and leaves a telling stain! I will try the shutting off of the fuel petcock but we are NOT pleased with Yamaha's inability to FIX the problem. It seems that the fuel in the line and in the carb boils when the engine gets very hot (usually after shutting down and attempting to restart). One guy says the float on the carb needs adjusting. He set his lower in the bowl and it stopped the leaking. Try both - hope they work - we are having our float adjusted soon.

Last edited by gjs07roadstar; 05-13-2012 at 02:52 PM.
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Old 05-14-2012   #9
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OK - talked to dealer. They adjusted the float as far as they dare without causing chokedown and it still puked gas. Yamaha has known about this problem at least since 2006 and still blames the poor quality gas the government demands we use! BULL CRAP ! They should have come up with a fix (not a bandaid) by now. Other roadstar riders have replaced their exhaust and then had the carb jetted and they have not had the problem since doing that. An ace mechanic suggested buying a BARON'S JETT KIT and it will eliminate the problem. Other mechanics say that will NOT eliminate the problem. Who do you believe and what do you do now!
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