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General Category >> Rubber Side Down! >> Problems on the Straight
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Message started by Tonydtiger1971 on 11/05/09 at 19:32:43

Title: Problems on the Straight
Post by Tonydtiger1971 on 11/05/09 at 19:32:43

I have noticed in the last month that when on a straight patch of highway, cruising at 55-65, the bike will start sputtering and cutting out. Doesn't do it on the curvy roads, even those where the curves are gentle enough to keep the bike at higher speeds. I switch over to the reserve position for a minute or two and it stops for a while.

I think it's garbage in the tank but I'm not sure I cannot hear anything but slosh when I lean, could it just be a petcock problem?

Title: Re: Problems on the Straight
Post by T Mack 1 - FSO on 11/05/09 at 19:35:44

Runs in res, and most likely Pri since it uses the same port. You might want to drain the tank and Pull the petcock off to check the screen.

Title: Re: Problems on the Straight
Post by Serowbot on 11/05/09 at 21:39:02

check your vacuum line,.... when you let of the gas a little on curves, vacuum increases, pulling harder on fuel and keeping the gas flowing.... at steady pace, not enough to overcome air leak in the hose...
That's my theory and I'm sticking to it,.... 'till somebody has a better one... :-?

Title: Re: Problems on the Straight
Post by ralfyguy on 11/08/09 at 06:47:12

6472657860757863170 wrote:

+1 on this and it is the easiest and cheapest way to start troubleshoot an issue like this. Getting a foot of 3/16" fuel hose at O'Reilly's for a Dollar often cures that problem. I replace the vacuum hose at least once a year, just because it's cheap and don't have to worry about it. To me it's a wear and tear item like an air filter or oil.

Title: Re: Problems on the Straight
Post by Routy on 11/08/09 at 07:09:35

Quote:
I have noticed in the last month that when on a straight patch of highway, cruising at 55-65, the bike will start sputtering and cutting out.
----------------------------------------------------
You didn't say what does it do at over 65 ? or at WOT ?
If its a main line fuel delivery problem, then we have to assume that it won't go any faster than, 65, and at WOT it just bogs (starves) out completely.

But if by per chance it runs good when you cob the throttle, then the problem is NOT lack of main line fuel delivery :o

Title: Re: Problems on the Straight
Post by Tonydtiger1971 on 11/08/09 at 14:19:25

Thanks for all the advice I will have to check and see if it will go faster. Will definitely check the vacuum line

Title: Re: Problems on the Straight
Post by Tonydtiger1971 on 11/14/09 at 22:35:19

Added Sea foam Friday, took a 2 hour drive on Saturday, no problems with the stalling, got it up to 75 & 80 in the stretches and held it there. Thanks to all for the suggestions.