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 Post subject: leaking gas tank
PostPosted: Thu Dec 11, 2014 9:13 pm 
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Joined: Mon Dec 02, 2013 2:31 pm
Posts: 113
Location: winston salem, nc usa
model: 907 I.E.
year: 1993
Hi All, picked up a gas tank on ebay last week and not bad for a pretty cheap price because it had the pet cock and fuel sending unit. I noticed that around the front mount that it had been sealed with a rubbery compound which I removed and poured a rust removal fluid in it because it had a few spots of surface rust in it and could get a drop or so of fluid around the front mount when I was sloshing it around. So I guess I've got the dreaded front mount leak although can't see any cracks anywhere. What's the best fix for this, find something to seal around it, welding or what? It's looks like it would have to be completely full to really have a problem with leaking. Thanks Arch.


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 Post subject: Re: leaking gas tank
PostPosted: Fri Dec 12, 2014 1:35 am 
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Joined: Fri Nov 13, 2009 4:33 pm
Posts: 242
Location: San Francisco Bay, California USA
model: 750 Paso
year: 1987
My tank leaked at the weld as your does. Sloshing gasoline leaking from the tank was evident after a long ride by a residue left on the fairing panels which smelled of gasoline.For a repair, I was concerned that a gas tank internal coating would be difficult to do well due to the complexity of the tank shape and form, so I went with a weld repair. The tig weld repair was so precise the paint on top of the tank was not damaged.


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 Post subject: Re: leaking gas tank
PostPosted: Fri Dec 12, 2014 6:00 am 
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paso grand pooh-bah
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Joined: Wed Dec 05, 2007 12:35 am
Posts: 1593
Location: Newzealand
model: 906 Paso
year: 1990
I cut the front tube mount thing right off , welded on a 3mm thick plate and then refitted (welded ) the mount back on , after trimming 3mm off it. The weight of the fairing and most of the tank hangs off this mount.

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 Post subject: Re: leaking gas tank
PostPosted: Fri Dec 12, 2014 11:12 am 
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paso grand pooh-bah
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Joined: Tue Jul 29, 2008 9:50 pm
Posts: 3159
Location: Hilltown,Pennsylvania
model: 906 Paso
year: 1990
+1 on welding a support plate under the front tube

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 Post subject: Re: leaking gas tank
PostPosted: Fri Dec 12, 2014 4:04 pm 
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Joined: Mon Dec 02, 2013 2:31 pm
Posts: 113
Location: winston salem, nc usa
model: 907 I.E.
year: 1993
Thanks for all the suggestions guys, glad it was a cheap tank since it seems to be another endemic problem on our bikes. Arch.


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 Post subject: Re: leaking gas tank
PostPosted: Fri Dec 12, 2014 8:51 pm 
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paso grand pooh-bah
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Joined: Wed Dec 05, 2007 12:35 am
Posts: 1593
Location: Newzealand
model: 906 Paso
year: 1990
Its not a biggie . I managed to shape, fit and weld the plate without damaging the paint anywhere you can see it , huh , I spose if we knew all the faults before hand ...................... nahfuckkit , Id still have bought it :)

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