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Old 09-29-2009, 03:43 PM   #1
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Draining gasoline...

The manual has info on removing the gas tank but no info on draining it first. I usually do my research before touching the bike so I have not seen its layout yet (hoses wise).

Any info on this would be greatly appreciated.
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Old 09-29-2009, 03:48 PM   #2
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I always drain mine from the petcock.
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Old 09-29-2009, 03:52 PM   #3
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same here.
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Old 09-29-2009, 04:09 PM   #4
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Quote:
Originally Posted by Solracer View Post
I always drain mine from the petcock.
haha pet .
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Old 09-29-2009, 07:51 PM   #5
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Typicall I do not drain the gas.
I just shut it off at the pet .
However I do try to do maintenance that requires tank removal when the tank is near empty. it makes it lighter.

Siphons work on differential pressure.
If you place one end of a hose in the tank below the fuel level, ie at the bottom of the tank, and draw vacuum on it from the other end and with that end below the one in the tank, remove the vacuum source, while keeping this end below the end in the tank the siphon will flow, the futher below the better it will flow.

FYI gas tastes nasty, is toxic. and highly flammable
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Old 09-29-2009, 07:56 PM   #6
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If ur carbed the vacuum hose on the side of the pepcock should prevent the gas from coming out of the tank unless you are in the reserved switch mode.

For FI, use a pinch tool like pliers or a pinch off clamp for hoses.

GL!
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Old 09-29-2009, 08:13 PM   #7
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http://fiche.ronayers.com/Index.cfm/...Fuel_Tank(4/4)


Most newer bikes have a quick release. When you disconnect the fuel line, the line closes. I can remove my tank without having to drain the fuel. You can close the petcock on yours. See the link above.
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Old 09-29-2009, 08:45 PM   #8
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Why do you want to drain the gasoline? If you are wanting to drain it so you can remove it, then they are correct. If you want to drain it because you are going to be storing your bike for a while, then there is a conpletely different way of doing that. To remove the tank, you need to simply disconnect the two hoses that are attached to the petcock, located on the laft side of the tank at the bottom. Fuel will not flow from the tank (as mentioned earlier) if you have the petcock in ON or RES.
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Last edited by Squanto84; 09-29-2009 at 08:49 PM.
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Old 09-29-2009, 10:10 PM   #9
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So basically I can just remove the tank (follow directions in the manual) then pour out the old gas using the pump hole?

I want to remove the old fuel in there because I don't know how long it's been there. Plus, I put a gallon of mid grade (87?) fuel in there and just found out today that it requires high octane (91). People have told me it is best to drain the fuel and put new fuel in and maybe add some seafoam to clear some gunk in the carbs while Im at it.

Now IF it will cause no harm to the engine for me to just use up all the gas in the tank and refill it with 91 octane then Ill go that route.

Comments on that last line above?


EDIT:
as far as I know, no prime. only choices are res, on, off.
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I got the hint and dropped to the back of the ranks just in front of Ares, who btw rocks the outta that 250.

Last edited by Ares; 09-29-2009 at 10:12 PM.
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Old 09-29-2009, 10:55 PM   #10
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Old 09-29-2009, 10:59 PM   #11
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I would just remove the fuel hose from the petcock and use a piece of hose about 2 feet long, and hook that up and drain the gas into a container using the PRIME.
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Old 09-29-2009, 11:54 PM   #12
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I dont park the bike in my garage so I can't verify but I am almost 100% certain that the 250 has no prime.


Oh btw, thanks for all the input guys.
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I got the hint and dropped to the back of the ranks just in front of Ares, who btw rocks the outta that 250.
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Old 09-30-2009, 06:41 PM   #13
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You have a garage : put your bike in it.
I am assuming if you don't it's sitting outside.
Too many bikes are stolen.
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Old 09-30-2009, 09:13 PM   #14
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Do exactly like squanto said, but your bike may be gravity fed, NOT SURE so look it up, mine is, and it just flows out once you switch the fuel from off to on....

Mine has= RES --- OFF --- ON that's it.
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Old 09-30-2009, 10:04 PM   #15
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Quote:
Originally Posted by 1340HIGH View Post
You have a garage : put your bike in it.
I am assuming if you don't it's sitting outside.
Too many bikes are stolen.
My garage is full so I store it in my neighbor's.

Quote:
Originally Posted by TXZixxer View Post
Do exactly like squanto said, but your bike may be gravity fed, NOT SURE so look it up, mine is, and it just flows out once you switch the fuel from off to on....

Mine has= RES --- OFF --- ON that's it.
The fuel line runs with a vacuum line. That might mean that mine is not gravity fed but uses vacuum. Ill know for sure friday and let you guys know.

Thanks!
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I got the hint and dropped to the back of the ranks just in front of Ares, who btw rocks the outta that 250.
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