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| gas fumes/leak http://www.ducatipaso.org/forum/viewtopic.php?f=3&t=768 |
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| Author: | 1564 [ Sat Nov 26, 2005 7:05 pm ] |
| Post subject: | gas fumes/leak |
:umm: new to me 91 907ie, in shop for pre-inspection with 14,000 miles ,passed owner advised not to fill tank completely as fume will come from tank when you make a quick stop...shop advised they experience gas leak coming from tank...what is the deal,where is the problem and what is the correction, i read somewhere on net advising the gas hoses can be switched causing the bike to run normal but will leak gas...please advise and who would you reccommend as an internet parts source, the shop is bmw private guy teds beemer shop in scotts valley ca. i am having them do everything they fill needs correction/adjustment/change etc. is there other items maintence you would suggest...tks |
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| Author: | pencilbeam [ Sat Nov 26, 2005 10:59 pm ] |
| Post subject: | |
You should remove the fuel tank from the bike and inspect all the hoses for cracks. Then fill the tank to top and move the tank around and see if any gas drips out. It's possible the fuel cap has lost its seal, in which case you need to remove it and run a bead of fuel resistant gasket material like permatex high temp gasket maker...and let it set up for a few hours before screwing the cap assembly back on. Also make sure you have the correct pipe clamps on the hoses and they are sufficiently tight. My 907 can be filled right to the point of overflow without a hint of fuel smell. It should be a simple problem to fix. |
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| Author: | 1564 [ Sun Nov 27, 2005 12:01 am ] |
| Post subject: | |
 well this minor problem of gas fumes turn out to be a front bracket mounting point has fracture causing tank to leak when topped off about full...as previous owner stated i just do not top off...oh really???? that sounds safe??? question to group: where can i fix this, it needs some welding but i really do not want to damage orginal paint..anybody hav a tank for me or where can i pick one up....tks
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| Author: | DesmoDog [ Sun Nov 27, 2005 12:31 am ] |
| Post subject: | |
I have a feeling this is a fairly common problem on these bikes. mine did it years ago... I ended up fixing mine with JB Weld and some cloth as a reinforcement. Not the most elegant way bit it seems to have worked. I think a better way to do it would be to braze around the entire mount but I wasn't set up to do that at the time. I would rather braze it than weld it. I think if you were careful about it, and maybe filled the tank partially with water to protect the paint on top when you were doing it, you might be able to get away with not having to refinish the top? i don' t know, just a guess... |
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| Author: | KillerB [ Mon Nov 28, 2005 5:02 pm ] |
| Post subject: | |
Yes, the dreaded cracked fuel tank front mount. As DesmoDog says, a little JB Weld will do the trick. I also had to repair the tank with JB Weld when the original air box screw heads wore right through. Regards, B |
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| Author: | 1564 [ Wed Jan 25, 2006 7:09 am ] |
| Post subject: | gas tank repair |
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