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Needs Training Wheels
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 Post subject: Ruckus runs out of Gas, new engine, harness
PostPosted: Sun Mar 11, 2012 12:37 pm 
Hi guys,
Recently swapped GY6 and plug and play harness.
Bike rides great but runs out of gas about 6 minutes every time.
Also, the fuel light has been on constantly since the swap.
Just replaced the fuel pump with no change.

*edit: there is lots of gas in the tank. Seems as though the Fuel pump is not getting a signal to send more gas.

Does this sound famliar ? Need help guys
Thanks!!


Last edited by KeithTDOT on Sun Mar 11, 2012 1:09 pm, edited 1 time in total.

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Ride Game Participant
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 Post subject: Re: Ruckus runs out of Gas, new engine, harness
PostPosted: Sun Mar 11, 2012 12:39 pm 
So it's useing 1.3 gallons of gas every six minutes Damn
Sounds like a carb problem once bowl is drained its not
Filling up.

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Needs Training Wheels
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 Post subject: Re: Ruckus runs out of Gas, new engine, harness
PostPosted: Sun Mar 11, 2012 1:08 pm 
Forgot to mention, there is lots of gas in the tank. Seems as though the Fuel pump is not getting a signal to send more gas.


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Needs Training Wheels
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 Post subject: Re: Ruckus runs out of Gas, new engine, harness
PostPosted: Thu Apr 05, 2012 7:11 am 
ECU :headbashing: fixed the fuel pump not turning on when the float bowls were running out.

....rolling.

:banger:


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Junior Mint
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 Post subject: Re: Ruckus runs out of Gas, new engine, harness
PostPosted: Sat Apr 07, 2012 1:54 pm 
Just did a gy6 swap also and it is doing the same thing especially at full speed. Sucks the carb dry. Verified it by puttling a clear fuel line on. Am reaching down and flipping key off and then back on to recycle the pump and i can see fuel pump up the line. Wonder if a vacuum operated pump would work better? :popcorn: :popcorn:


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Needs Training Wheels
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 Post subject: Re: Ruckus runs out of Gas, new engine, harness
PostPosted: Sat Apr 07, 2012 2:10 pm 
awilco wrote:
Just did a gy6 swap also and it is doing the same thing especially at full speed. Sucks the carb dry. Verified it by puttling a clear fuel line on. Am reaching down and flipping key off and then back on to recycle the pump and i can see fuel pump up the line. Wonder if a vacuum operated pump would work better? :popcorn: :popcorn:



for around $20 id say do it.... ive been running a mikuni vacuum pump with no problems (from the fuel pump that is)

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 Post subject: Re: Ruckus runs out of Gas, new engine, harness
PostPosted: Sat Apr 07, 2012 3:36 pm 
fnhoudini

Does vacuum from the intake operate them?

I think I just need to do this:
the test lead hanging below the battery. This lead needs a pulse so the Ruckus ECM thinks the stock motor is in place and everything is still working correctly. Without this wire connected the ECM will shut off the fuel pump so connect it!


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 Post subject: Re: Ruckus runs out of Gas, new engine, harness
PostPosted: Sat Apr 07, 2012 7:17 pm 
yes it pulls vacuum from the intake manifold.

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Junior Mint
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 Post subject: Re: Ruckus runs out of Gas, new engine, harness
PostPosted: Sat Apr 07, 2012 8:21 pm 
ummmm you guys do realize when you do your swap, the stock fuel pump no longer works right? You have to switch to a vacuum fuel pump.... :ucrazy:

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 Post subject: Re: Ruckus runs out of Gas, new engine, harness
PostPosted: Sat Apr 07, 2012 8:47 pm 
im running a mikuni rectangle vacuum pump....

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 Post subject: Re: Ruckus runs out of Gas, new engine, harness
PostPosted: Sat Apr 07, 2012 11:42 pm 
yeldak99 wrote:
ummmm you guys do realize when you do your swap, the stock fuel pump no longer works right? You have to switch to a vacuum fuel pump.... :ucrazy:



yet another person spreading false advice

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 Post subject: Re: Ruckus runs out of Gas, new engine, harness
PostPosted: Sun Apr 08, 2012 12:15 am 
yeldak99 wrote:
ummmm you guys do realize when you do your swap, the stock fuel pump no longer works right? You have to switch to a vacuum fuel pump.... :ucrazy:


Not if ur running a harness with ecu plug. Ecu will control stock fuel pump and run low fuel light as well.
Houdini glad u go t it figured out and running :highfive:

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 Post subject: Re: Ruckus runs out of Gas, new engine, harness
PostPosted: Sun Apr 08, 2012 6:23 am 
thanks... to clarify, im not the one who is confused here! im just trying to help this guy out

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 Post subject: Re: Ruckus runs out of Gas, new engine, harness
PostPosted: Sun Apr 08, 2012 9:34 am 
Ok guys, can not vouch for exactly what KenithTDOT's issue will turn out to be.
My issue was the ECM shutting off the pump.
Once I hooked up as the Battlescooter swap wire directions describe all is well.

To clarify, I am running a 2011 GY6 motor out of a wrecked donor.
Am using the stock wire harness with the ECM and the stock fuel pump.
Followed Battlescooter's wire directions and all appears to be fine.
Rode it twice this morning for about 5 miles each.
Rode the scoot up to 55 mph a few times for a couple minutes each time.
It could have gone faster but I wanted to take it easy.

So there is not a need for an other than stock Ruckus fuel pump, it works great.
I have another I got from a parted Met and believe them to be the same pumps. Changed it out for the Ruckus pump and it worked fine as well so will keep it as a spair.

Thanks to all for the help and comments. I appreciate every one.

Also sorry to KenithTDOT for jacking his thread.. :banger:


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 Post subject: Re: Ruckus runs out of Gas, new engine, harness
PostPosted: Sun Apr 08, 2012 9:44 am 
BAFtatters wrote:
yeldak99 wrote:
ummmm you guys do realize when you do your swap, the stock fuel pump no longer works right? You have to switch to a vacuum fuel pump.... :ucrazy:


Not if ur running a harness with ecu plug. Ecu will control stock fuel pump and run low fuel light as well.
Houdini glad u go t it figured out and running :highfive:



the ecu has nothing to do with the low fuel light

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