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SuzukiSavage.com
/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Tank shutter valve acting funny /cgi-bin/YaBB.pl?num=1249020167 Message started by BrusselsSavage on 07/30/09 at 23:02:47 |
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Title: Tank shutter valve acting funny Post by BrusselsSavage on 07/30/09 at 23:02:47 Hi all, Something strange happened to my bike yesterday. My accelerator cable broke the day before, si I bought a new one and put it on. I took off the seat and the tank, unhooking the electrics under the dial, the cable that goes into the gearbox and the 2 rubber tubes from the tank to the carb. After replacing the cable and putting everything back together (the tank was moved about, not really shaken but shaken enough to move whatever deposit or gunk there might have been at the bottom of the tank) anyway, after i put everything back on, I found out that the only way the bike will work is when the tank shutoff valve is on PRI (pointing towards the back of the bike). When the valve is on FUEL (downward) or RES (forward), the bike stops after half a mile or so, as if I was already in reserve even though I now have a full tank. Any idea? Did I put something back on wrong (I don't think so, it's a straightforward job, but I might have overlooked something) or did I just get gunk from the bottom of the tank into the carb? Thanks Pierre 1990 Savage Brussels, Belgium |
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Title: Re: Tank shutter valve acting funny Post by verslagen1 on 07/30/09 at 23:26:21 You mixed up the lines when you reconnected the carb. 1 line from the right side of the carb goes to the bottom of the shutter valve aka petcock. This is the one that turns the fuel valve to on. 1 line goes from the rear of the petcock to the left side of the carb 2 lines from the top of the carb bowl are vents and just point up and stick into the frame. |
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Title: Re: Tank shutter valve acting funny Post by BrusselsSavage on 07/30/09 at 23:38:43 Thanks, I will look at the lines when I pick her up from my garage this morning. One of the rubber lines I undid is thin and is just plugged back on the carb, and the other one is much wider and is held on each end with clips. Do you think another line (on the right) might have come undone without my seeing it? Both lines I undid were on the left side of the carb, I didn't touch anything on the right side of the carb. |
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Title: Re: Tank shutter valve acting funny Post by verslagen1 on 07/31/09 at 00:15:55 There is one that is obviously larger than the others, that's the fuel line. The vacuum line from the right side of the carb is small and you may have pulled it free without realizing it. If you have a carbon canister on the bottom of the bike, there's another line on the right hand side to the rear. This line is the smallest. |
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Title: Re: Tank shutter valve acting funny Post by BrusselsSavage on 07/31/09 at 02:49:47 That was it, indeed! Thanks a lot for your insight. The vacuum hose looked too short to reach all the way to the petcock, but it was a snug fit. I battled for a few minutes with my big hands in rubber gloves (on my way to work) but managed to make it fit. The other rubber line I had put in was indeed a breather line, which is now hanging somewhere under the seat, where it belongs. Since I thought there was gunk in the carb, I sprayed a carb cleaner liberally into the air duct, so now, my carb should be much cleaner (at least it feels that way. The bike once again pulls like a freight train, I should have changed the accelerator cable a long time ago. Anyhoo, thanks a lot for your quick reply. Pierre Brussels |
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Title: Re: Tank shutter valve acting funny Post by voldigicam on 07/31/09 at 06:14:02 I've discovered that even a slight hardening of the thin vacuum line will give enough of a vacuum leak to prevent full fuel flow. I've replaced the vacuum line with a heat resistant fuel hose length and all is well. Looks like a marginal design, putting relatively delicate vacuum line immediately adjacent to cooling fins. My original line wasn't broken, just hardened and didn't seal perfectly, even with a micro clip. |
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Title: Re: Tank shutter valve acting funny Post by verslagen1 on 07/31/09 at 08:17:09 1F2F282E2E38312E0E3C2B3C3A385D0 wrote:
My pleasure. ;D |
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