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2009 RT-How to drain fuel tank


alanrt

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Gave bike a good wash after 7000 mile road trip, I then noticed that fuel cap was closed over but not fully latched. I believe that some water must have got in to tank.

Any advice for best method to drain fuel tank?

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Afternoon alanrt

 

Best way is to remove the tank then turn it over & empty it.

 

You can try to get a small hose down in through the filler opening (not much room to work) then siphon most of the fuel out. Problem is: the water usually is at the very bottom & getting down that far is about impossible. If you decide to try this be very careful of the delicate fuel strip running down in that area.

 

Even rigging up a quick disconnect on the tank pass through pressure fitting then jumping power & ground to the pump usually won't get all out to the very bottom of the tank (especially any water that ended up down in the R/H tank wing)

 

If it was clean water then maybe a can of DryGas then see if it will run long enough to burn the contaminated fuel out.

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I'm sure it was clean water (and probably very little), and there is very little gas in the tank.

I am concerned that I may cause damage if I start it with water in tank.

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I support DR's suggestion of removing the fuel tank. It's not difficult (especially compared to earlier RT models) after removing the 4 lower side body parts. There are 3 hoses to disconnect. These are very obvious and accessible on top of the tank. Two are QD pressure lines, one's a vapor line.

 

The 4 attachment bolts are easily accessible, and a nearly-empty tank makes removal easier.

 

I do this frequently for cleaning and maintenance.

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I support DR's suggestion of removing the fuel tank. It's not difficult (especially compared to earlier RT models) after removing the 4 lower side body parts. There are 3 hoses to disconnect. These are very obvious and accessible on top of the tank. Two are QD pressure lines, one's a vapor line.

 

The 4 attachment bolts are easily accessible, and a nearly-empty tank makes removal easier.

 

I do this frequently for cleaning and maintenance.

 

Morning __

 

Actually there is one more hose to disconnect-- That is the tank filler cap drain hose that comes up through the fuel pump pass through.

 

Plus unplugging the pump harness wire connector & the fuel gauge connector.

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I dunno, I would remove left upper body panel and disconnect fuel pump hoses, wires etc. and take fuel pump out of the tank. You just need a way to loosen the metal retaining ring. You will then be able to shine a bright light down into the tank to see any water that may be present. Just make sure the fuel level is very low before you remove the pump.

 

Good luck!

 

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Morning Alanrt

 

That's the best way as that also allows you to drain that R/H lower wing (that's usually where the water ends up)

 

Did you find any water in the removed gasoline?

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