30mpg seem a bit low for gsxr600? - Sportbike Forum: Sportbike Motorcycle Forums
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post #1 of 20 (permalink) Old 10-31-2005, 10:52 AM Thread Starter
 
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30mpg seem a bit low for gsxr600?

2001 getting 30mpg. what sounds average for a bike like this?
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post #2 of 20 (permalink) Old 10-31-2005, 11:00 AM
 
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That depends on how you ride it. However, 30 MPG's does sound low.
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post #3 of 20 (permalink) Old 10-31-2005, 11:11 AM Thread Starter
 
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Unhappy

its having some very specific problems that are all pointing towards too much fuel. It is almost impossible to get going unless your going 20mph. It only likes it when you slowly roll on the the throttle to match up with the rpms. It starts to pull harder when you back off on the throttle when you are on it already. It bogs when you hammer on it. The engine flutters when you hold it at a certain rpm .Any ideas?

Last edited by cichlid; 10-31-2005 at 11:28 AM.
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post #4 of 20 (permalink) Old 10-31-2005, 06:57 PM
 
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I know this is a *VERY* lame comparison, but my moped did that when i still had it. It had a dirty carb, clogged fuel filter, and the fuel line itself was a bit old. Dunno if that helps at all, it was a lawnmower on two wheels, but that's my story.
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post #5 of 20 (permalink) Old 11-01-2005, 07:18 AM
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I had bought a junk Gixxer 750 a year or so ago that had similar problems and I spent way too much money trying to solve the issues ... came across many things that contributed to the problem but never fully got rid of it.. some of the things were: tilt switch shorting out, rectifier not working properly, wire harness had bad spots in it where it was shorting out, tank ended up not being right for the bike (carb style instead of fuel inj. style) there is no return fuel line on a carb tank so they used the over flow tubing and cut it in half to "N-g-r" rig it and when they did they pinched the tubing and it was barely able to dribble the return flow of gas back into the tank, the throttle cable wire was loose inside the housing on the grib causing alot of play, something about the butterfly flaps was wrong, there was so much rust in the tank that the last though was that the rust got into the injectors and was cloggin the flow... at that point I called it quits and worked out a deal for the seller to buy the bike back for purchase price plus parts because he has advertised it as "runs perfect, no mechanical problems" there were other issues with the bike as well but those didn't have anything to do with the irregularity in the gas and throttle dealings...

E.

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post #6 of 20 (permalink) Old 11-01-2005, 09:04 AM
 
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Quote:
Originally posted by DreamRyder
at that point I called it quits and worked out a deal for the seller to buy the bike back for purchase price plus parts because he has advertised it as "runs perfect, no mechanical problems"
Sounds like you got it off of ebay
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post #7 of 20 (permalink) Old 11-01-2005, 09:19 AM
 
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sounds like you might be running rich. Fuel evaporates during the intake stroke, and any evaporating liquid absorbs a great ammount of heat. The excess fuel causes your combustion chamber to cool below ideal temperatures, causing poor ignition.
Check your air filter. If the bike is carburated check the carbs for dirt, check that the butterflies open and close smoothly, and check the choke for proper operation.
If the bike is fuel injected, check your airflow sensor.\


Let us know how it goes.



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post #8 of 20 (permalink) Old 11-01-2005, 10:49 AM
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Quote:
Originally posted by lateott_156
Sounds like you got it off of ebay
long story but it was bought direct not through ebay... I was just lucky enough to have had everything in writing and lot's of supporting documentation to win my case if going to court was necessary

I could have went back on the guy that did the inspection on it as well if I wanted to.. cuz he informed me it was worth buying at the said price but then so much money later tells me I shouldn't have ever bought it (the ass) but that's another story of a screwin I got from the repair guy supposidly fixen the bike only to find out the hard way that it would still stall out on me on the track in a turn.. (not a nice feeling btw) ended up havin a freind trouble shoot and find many of the problems himself and workin on it... sad that the original guy had this huge ass reputation that he couldn't live up to ...

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post #9 of 20 (permalink) Old 11-01-2005, 12:20 PM Thread Starter
 
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thanks vash. I pulled the fuel pump/filter & cleaned it out."pretty dirty" then I checked the pump output, it was fine. I called the local dealer & he said they have never seen an 2001 they had to replace a fuel pump/injectors on. Im a bit stumped. I'm going to try and drop it off today. I also pulled every sensor to see how it would run with or without them, none of them seemed to make a difference. VERY CURIOUS. I'll let you know.
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post #10 of 20 (permalink) Old 11-01-2005, 12:26 PM
 
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I take it the '01 is injected then?



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