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 Post subject: Emptying fuel tank
PostPosted: Fri Dec 11, 2020 7:09 am 
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Joined: Mon Nov 28, 2011 8:50 am
Posts: 16
Location: idsvold QLD Australia
model: 907 I.E.
year: 1993
Bike has been stored for a few years and I want to replace the fuel in the tank as it wont start. Whats the consensus on the easiest way to empty the tank? thanks.


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 Post subject: Re: Emptying fuel tank
PostPosted: Fri Dec 11, 2020 12:22 pm 
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paso grand pooh-bah
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Joined: Thu Nov 03, 2011 10:13 am
Posts: 752
Location: Scotland
model: 907 I.E.
year: 1994
Remove the hose from the outlet stub and connect a suitable length of hose to it with the other end in a can. Then bridge terminals 30 and 87 of the fuel pump relay socket and turn on the ignition. The pump will run continuously and pump the tank dry.
Unfortunately you need to remove the fairing to get at the relay but you can do the same thing by with the relay and fairing in place by using the kill switch to turn the relay back on every time it stops, but it gets a bit tiresome if the tank is quite full.

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 Post subject: Re: Emptying fuel tank
PostPosted: Mon Dec 14, 2020 6:28 am 
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paso grand pooh-bah
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Joined: Wed Dec 05, 2007 12:35 am
Posts: 1764
Location: Newzealand
model: 906 Paso
year: 1990
Whats wrong with shoving a hose in the tank and syphoning it out ?

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 Post subject: Re: Emptying fuel tank
PostPosted: Mon Dec 14, 2020 10:08 am 
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Joined: Tue Aug 06, 2019 10:17 pm
Posts: 24
Location: Texas
model: 907 I.E.
year: 1991
If the fuel is really bad, siphoning would save the fuel pump and filters.


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 Post subject: Re: Emptying fuel tank
PostPosted: Mon Dec 14, 2020 10:11 am 
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paso grand pooh-bah
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Joined: Thu Nov 03, 2011 10:13 am
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Location: Scotland
model: 907 I.E.
year: 1994
Mc tool wrote:
Whats wrong with shoving a hose in the tank and syphoning it out ?

The taste of petrol. Yeuch! :wacko: :lol:

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2017 Supersport 939
2015 Scrambler Classic
1982 Pantah 500SL (now sold)


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 Post subject: Re: Emptying fuel tank
PostPosted: Mon Dec 14, 2020 10:48 am 
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Joined: Tue Aug 06, 2019 10:17 pm
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Location: Texas
model: 907 I.E.
year: 1991
Yes, not something I’d want to try again :) there are siphoning hoses with a built in bulb used to get the flow going so you don’t have to taste test the old fuel.


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 Post subject: Re: Emptying fuel tank
PostPosted: Mon Dec 14, 2020 8:00 pm 
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Joined: Mon Nov 28, 2011 8:50 am
Posts: 16
Location: idsvold QLD Australia
model: 907 I.E.
year: 1993
Funny, I never thought of siphoning, as these days you generally accept that fuel tank apertures rarely will fit a hose. Forgetting Im dealing with a 27 year old bike. Hopefully its just bad fuel?


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 Post subject: Re: Emptying fuel tank
PostPosted: Mon Dec 14, 2020 11:52 pm 
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Joined: Tue Aug 06, 2019 10:17 pm
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Location: Texas
model: 907 I.E.
year: 1991
Before firing it off, have you replaced the timing belts?
Double check the plugs to see if they need cleaning or replacing, and assuming you have spark and air, if you already tried to start it with old varnished fuel you may need to replace the fuel filter.

Good luck- once you have it running again I bet you will hate yourself for letting it sit- like I did! Such an awesome bike and a pleasure to be a caretaker for a little while.


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 Post subject: Re: Emptying fuel tank
PostPosted: Wed Dec 16, 2020 9:31 pm 
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paso grand pooh-bah
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Joined: Wed Dec 05, 2007 12:35 am
Posts: 1764
Location: Newzealand
model: 906 Paso
year: 1990
Derek wrote:
Mc tool wrote:
Whats wrong with shoving a hose in the tank and syphoning it out ?

The taste of petrol. Yeuch! :wacko: :lol:

Derek , your supposed to syphon it into a fuel container .....not drink it ,but yeah , yeuch , dont fart near the heater. :D

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