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Any Ideas - Ducati bogging down
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Where's my bailout!
 
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Any Ideas - Ducati bogging down - May 30, 2011, 08:36 PM

Sadly this was the first time this year i'd been out. Bike started up fine, filled it up before the ride, then after about 100 miles the gas light came on and it was hard to get above 6k rpms. Gased it up and it progressivly got worse. I limped the bike most of the way home then had to get the trailer. So, my question is any idea why the bike would run fine for 100miles then start to bog down with throttel. It will start, barely idle but won't run at any speed. Its an '08 S4RS.

Any help would be appreciated. I just wanted to see if it was a simple fix before sending it to the dealer.
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May 30, 2011, 08:55 PM

Ok... testaretta engine + 100 miles + monster ~3 gal tank + gas light =

Sounds like you might have run out of gas?


-Tommy
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May 30, 2011, 09:00 PM

I gassed it up. Still the same problem.
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May 30, 2011, 09:39 PM

Carbed of FI? I'd change the fuel filter first. It's easy, cheap, and can't hurt even if it's not the problem.

My guess is when your tank got low you sucked in some crap from the bottom of the tank.


Then again... That's just me.

On the internet... Everyone is an expert.

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May 31, 2011, 06:22 AM

FI, Will replace the fuel filter and see what happens.
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May 31, 2011, 06:47 AM

What is the state of your battery-since it has been sitting for awhile? These bikes rely on a fully charged battery to power the ECU to work properly. Not saying this is your problem but just another point to look into if other checks don't pan out.
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May 31, 2011, 07:40 AM

yup. check battery and check voltage at terminals while running as a check on the stator/alternator performance. check fuel filter. make sure your kids didn't drop any toys in the tank. after that, check ducpond motorsports!



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May 31, 2011, 09:11 AM

What you describe happend to me this past winter. It turned out to be a charging problem - bad regulator.

Good luck.


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May 31, 2011, 01:30 PM

The battery was replaced last year and on the tender all winter. Will check/charge the battery and see if that works before messing with the gas filter (since its located in the tank). Thanks for your input and i'll let you know what i find out.
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June 2, 2011, 09:41 PM

Quote:
Originally Posted by DUCURTI View Post
What you describe happend to me this past winter. It turned out to be a charging problem - bad regulator.

Good luck.
Do you know how to bench test the regulator? I started it today (slight charge on the battery) and it rev-ed fairly well.
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June 2, 2011, 09:56 PM

Bad gas?


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June 3, 2011, 01:41 AM

Bad gas? Water anywhere? Water in plugs? Did you ride in rain or leave outside?


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June 3, 2011, 06:01 AM

Quote:
Originally Posted by lordhelemt View Post
Do you know how to bench test the regulator? I started it today (slight charge on the battery) and it rev-ed fairly well.
Sorry, I don't.

My only indication was that the battery was decharging and making the bike do weird things when the voltage got too low. So, I took it to RnR and they fixed it.


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June 3, 2011, 09:04 AM

Could also be a few things going on inside the tank.. line, breather, etc.. Charcoal canister still on it? If those get filled with fuel, they will run like crap.


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June 3, 2011, 01:09 PM

The canister is off. had it removed when i added the exhaust.
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