bike dies after highway speeds - ZX Forums
 
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post #1 of 14 (permalink) Old 08-28-2010, 01:12 AM Thread Starter
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bike dies after highway speeds

Ok here is the deal. If i take my bike around town it is fine but it seems like everytime i take it on the highway for longer periods of time whenever i get back to town at slower speeds my bike tends to just die out at a stop. Also i dont know if this has anything to do with it but lately my bike seems to have lost more power at higher speeds and the rpms sort of hesitate at higher speeds. Ive been searching the forums for anything similar to this and i keep coming across maybe a venting problem? i am not really sure tho. Does anyone have any ideas? much appreciated
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post #2 of 14 (permalink) Old 08-28-2010, 07:14 AM
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sounds like it would be in the carbs.

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post #3 of 14 (permalink) Old 08-28-2010, 08:14 AM
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I had a 95 gsxr that had a similar problem when I bought it. I rebuilt the carbs and found that the floats were sticking and it was dumping to much fuel in. if I kept a little bit of throttle open when I came to a stop it wouldn't die, but at straight idle it would. So I would say you probably have a carb issue as well. Check your floats and needles and clean the carbs out.
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post #4 of 14 (permalink) Old 08-28-2010, 01:50 PM
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Could be your fuel pump if 95's had them? :D

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post #5 of 14 (permalink) Old 08-28-2010, 04:47 PM
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weak fuel pump
clogged fuel filter
low fuel levels
vent lines for carbs in the air stream
gas cap vent getting clogged
open your gas cap next time and see if it helps
make sure the vent lines on the carbs are tucked away in a nice quiet/turbulance free place on the bike
make sure fuel pump is pumping as specified in manual (GPH)
check filter -replace if need be
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post #6 of 14 (permalink) Old 08-30-2010, 04:26 PM Thread Starter
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would a weak battery cause any of these symptoms? because i have been having trouble with my battery lately
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post #7 of 14 (permalink) Old 08-31-2010, 08:02 AM
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Quote:
Originally Posted by agon16 View Post
would a weak battery cause any of these symptoms? because i have been having trouble with my battery lately
yep it sure could.

what kinda of battery problems are you speaking of ??
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post #8 of 14 (permalink) Old 08-31-2010, 11:12 AM Thread Starter
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well it seems that if i let my bike sit for about a week the battery doesnt have enough juice to start the bike so i have to charge it in order for the bike to start.
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post #9 of 14 (permalink) Old 08-31-2010, 11:18 AM
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Could be bad battery or a defective alternator!




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post #10 of 14 (permalink) Old 08-31-2010, 11:59 AM Thread Starter
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well the battery is over 2 years old and isnt that about how long motorcycle batterys last?
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post #11 of 14 (permalink) Old 08-31-2010, 01:06 PM
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Quote:
Originally Posted by agon16 View Post
well the battery is over 2 years old and isnt that about how long motorcycle batterys last?
If you don't put them on a battery tender when the bike sits for extended periods of time, yes, on the average two years. There is no majic formula for figuring the longevity of a battery. But I have had them last up to 5 years when kept on a battery tender in the winter, and when the bike just sits for a few weeks between rides. It is a good idea to plug in the tender if the bike sits idol for over a week.
This keeps the battery from forming sulfate which kills the cells and their ability to retain a charge.




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post #12 of 14 (permalink) Old 09-01-2010, 07:39 AM
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as rocket said and its easy enough to check the charging system....

bike off - 12.5v+
bike at idle - 12.8v +
bike at 3k - 13.5v+

sounds like youll have to check yours after you fully charge it. you should also LOAD TEST the battery and make sure its holding up to the load of starting the bike. should NOT drop below 11v... if it does then its weak and just a matter of time.
my zrx battery went OPEN (broken INSIDE) on me a couple days ago with no warning. they do that. thank god i was in town and all i had to do was jump it to get home. put a new walmart bat in after charging overnight and all good now for another couple years...
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post #13 of 14 (permalink) Old 09-14-2010, 09:09 PM Thread Starter
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well the battery was the problem (at least i think). i just went to walmart and put a new battery in and the bike is running a lot better than it was before. Took the bike for a 2 hr ride today and had no problems with it. thanks for the advice everyone.
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post #14 of 14 (permalink) Old 09-15-2010, 07:56 AM
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Quote:
Originally Posted by Rocketman14 View Post
last up to 5 years when kept on a battery tender in the winter, and when the bike just sits for a few weeks between rides. It is a good idea to plug in the tender if the bike sits idol for over a week..
What is the WINTER that you speak of? Man, I am GLAD I now live in a place where we do not get that.

All good advice there RM, I am going to replace the battery on my bike this winter just because it is likely time now. I hate waiting for things to die when one can be proactive about it.

Agon, batteries can give you all sorts of grief, as you found out. Not a bad idea to check the charging system now though to make sure the battery gets the juice it needs when it needs it. Also consider a battery maintainer as RM suggests.

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