Emptying fuel tank

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Crumpati
Posts: 31
Joined: Mon Nov 28, 2011 8:50 am
model: 907 I.E.
year: 1993
Location: idsvold QLD Australia

Emptying fuel tank

Post by Crumpati »

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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Derek
paso grand pooh-bah
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Joined: Thu Nov 03, 2011 10:13 am
model: 907 I.E.
year: 1994
Location: Scotland

Re: Emptying fuel tank

Post by Derek »

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.
1994 907ie
2017 Supersport 939
2015 Scrambler Classic
1982 Pantah 500SL (now sold)


Scotland
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Mc tool
paso grand pooh-bah
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Joined: Wed Dec 05, 2007 12:35 am
model: 906 Paso
year: 1990
Location: Newzealand

Re: Emptying fuel tank

Post by Mc tool »

Whats wrong with shoving a hose in the tank and syphoning it out ?
I wish I was young again............Id be heaps smarter than last time
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Texas907ie
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Joined: Tue Aug 06, 2019 10:17 pm
model: 907 I.E.
year: 1991
Location: Texas

Re: Emptying fuel tank

Post by Texas907ie »

If the fuel is really bad, siphoning would save the fuel pump and filters.
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Derek
paso grand pooh-bah
Posts: 769
Joined: Thu Nov 03, 2011 10:13 am
model: 907 I.E.
year: 1994
Location: Scotland

Re: Emptying fuel tank

Post by Derek »

Mc tool wrote:Whats wrong with shoving a hose in the tank and syphoning it out ?
The taste of petrol. Yeuch! :wacko: :lol:
1994 907ie
2017 Supersport 939
2015 Scrambler Classic
1982 Pantah 500SL (now sold)


Scotland
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Texas907ie
Posts: 24
Joined: Tue Aug 06, 2019 10:17 pm
model: 907 I.E.
year: 1991
Location: Texas

Re: Emptying fuel tank

Post by Texas907ie »

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.
Crumpati
Posts: 31
Joined: Mon Nov 28, 2011 8:50 am
model: 907 I.E.
year: 1993
Location: idsvold QLD Australia

Re: Emptying fuel tank

Post by Crumpati »

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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Texas907ie
Posts: 24
Joined: Tue Aug 06, 2019 10:17 pm
model: 907 I.E.
year: 1991
Location: Texas

Re: Emptying fuel tank

Post by Texas907ie »

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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Mc tool
paso grand pooh-bah
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Joined: Wed Dec 05, 2007 12:35 am
model: 906 Paso
year: 1990
Location: Newzealand

Re: Emptying fuel tank

Post by Mc tool »

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
I wish I was young again............Id be heaps smarter than last time
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