2012 XR runs bad after sitting for 4 months - Victory Forums - Victory Motorcycle Forum
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post #1 of 42 (permalink) Old 02-12-2018, 03:24 PM Thread Starter
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Default 2012 XR runs bad after sitting for 4 months

The XR starts fine and seems to idle fine. Took her out yesterday for the 1st time on probably 3-4 months. (bike has around 3,000 miles on her). Having the following problem.
On road running in normal traffic; Reasonable attempts at acceleration (in any gear) causes bike to cough, sputter and back-fire. After which some times opening throttle at rest takes a while to "clear out". Even got to the point that any acceleration (slow or fast) caused an issue. Note that running at higher RPM in low gear (say 3k or so) have eventually "cleared in out" for a short time.

By the way, I live in South Florida so higher humidity. Temperature has been in the mid 70's.

I am guessing that it is either;
Fuel gone bad -
Plugs fouled -
Injectors fouled -
or some electrical problem that just coincidentally materialized.

Back-fire sounds like timing (firing when exhaust valve open?) but could be another reason of course. No reason timing should be off.

Any suggestions?

Thanks.

Neal, Marco Island Florida-2012 Vegas, 2012 Cross Roads
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post #2 of 42 (permalink) Old 02-12-2018, 03:37 PM
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In addition to bad fuel I'm thinking fuel filter plugging up but with only 3k miles on it that seems a bit remote. The IAC needs to be reset. A dirty throttle body.

But my first check would be to remove the battery terminal connections, clean them with a wire brush, then reinstall. Check to see how it runs then.
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post #3 of 42 (permalink) Old 02-12-2018, 04:53 PM
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May want to check the air filter as well, something may have made a home out of it after sitting so long. I thought my 2011 XR was low mileage with 15k on it but it looks like I have been beat.

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post #4 of 42 (permalink) Old 02-12-2018, 04:56 PM
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If you did not put a stabilizer in the fuel the last time you rode it, the gas has lost its volatility and also has separated. Siphon it out and replace with fresh gas and add the proper amount of Seafoam.
Bbob's battery suggestion should be followed too. Only I would add; Remove the battery bolts and place lock washers under the heads as they have a tendency to loosen.
After you've done that, take her out and after a complete warm up, accelerate up to just this side of 5K rpm a few times and report back.

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post #5 of 42 (permalink) Old 02-12-2018, 06:24 PM
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I should have also mentioned taking a volt reading on your battery to make sure you have 12.4 volts resting and fully charged.
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post #6 of 42 (permalink) Old 02-13-2018, 01:37 PM
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nealflora

You haven't said it the bike bone stock. Or have you changed something

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post #7 of 42 (permalink) Old 02-18-2018, 08:27 AM Thread Starter
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Cleaned the Batt terminals (were clean but did it anyway). Pulled plugs to check Gap (was .036 Manual sales .032 to I re gaped). Plugs were slightly sooty (not light tan) but I suspect that's normal for the bike.

Don't know what
"IAC Reset" is?

Bike has Stage 1 setup from dealer. Batt is kept on a Trickle charge when not in use.

Slight change in symptoms (don't know if random or due to cleaning Batt terminals)
Took it out this morning. Normal running around town (up to maybe 40 mph) seemed fine until I "hit it" with a quick throttle acceleration. Chokes and bogs down.

If it were "bad gas" I would not expect it to be normal at slower; speeds and acceleration.

Of course, I will "drain and replace" anyway if you guys think it best. Also will remove tank and check Air Filter. Again, with normal performance at slower street speeds, I would doubt a fouled air filter.

All suggestions welcome!

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post #8 of 42 (permalink) Old 02-18-2018, 10:05 AM
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Sitting for any period of time is bad for an engine. They don't like it. Flush the fuel system and RIDE, RIDE, RIDE. Get out on the freeway and ride 100 miles at 70 non-stop. It'll burn out.
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post #9 of 42 (permalink) Old 02-18-2018, 01:00 PM
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Running out of ideas if the battery is showing a full 12.4 volts. Have you seen the video below. It might give you some ideas.

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post #10 of 42 (permalink) Old 02-18-2018, 01:18 PM
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My bike sits for 5 months with out starting it and its on a battery tender all the time. Yes in spring I ride and there is not the normal power till it gets new gas.
First off get new spark plugs and even plug wires. ( witchdoctor ) sells them.
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Last edited by visionjohnny; 02-19-2018 at 12:36 PM.
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