Dead 2018 GU

Woe unto you that bought the first model year of a major remake, perhaps this section can help address any 2014 and later model Ural "imperfections". Here's a special section for folks with the latest rigs to discuss 2014 and later model-related topics such fuel injection, 3-wheel disc brakes, hydraulic steering dampers, spin-on oil filters and other anomalies that don't belong on true Russsian motorcycle ;-P We've gone from using big hammers and greasy wrenches to needing computers and Ouija boards in order to fix our rigs.
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Please keep this section specific to issues pertaining to 2014 and later models such as fuel injection, sidecar and rear disc brakes and so forth. Ask general or non-2014 and later specific questions in the main Hammerin' & Wrenchin' section.
Zuurg
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Dead 2018 GU

Post by Zuurg » Thu Apr 04, 2019 6:07 pm

Hey everyone,

I was just on my way home after a great ride and wouldn’t you know it, the bike won’t start again 5 mins from home (and 100 miles from closest dealer).

When I tried starting it after a stop at a store (was in the store around 10-15 mins), it started then started to die right away. Tried again, same thing. Tried starting it while in 1st gear to try to push start it, worked a bit, then stalled again. Pushed the bike into the shade and waited about 15 mins to try it again. It started and ran for longer than the last time (got hopeful that I’d be able to ride it home) but then died again. This time when it was running though, the tachometer was showing around 19,000 rpm (the bike wasn’t revving or anything, there’s no way that was right) and now that it’s dead again, the time isn’t even showing in the display and it won’t even try to start.

Any ideas what the issue could be? The dealer suggested that maybe the battery is dead or damaged, but I dunno and don’t know how to test that.
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Lofty
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Re: Dead 2018 GU

Post by Lofty » Thu Apr 04, 2019 6:10 pm

Just spitballing here.

I removed the fuel tank on my '18 GU due to a warranty claim (paint bubbling). In the course of removing and examining the stand pipe, I discovered quite a bit of detritus, to include a few large[ish] paint flakes, that had accumulated around it. A bit more of it in that one spot and fuel flow might have been adversely affected.

Testing for fuel starvation on your rig is as simple as unplugging the external quick disconnect fitting, under the tank on the left side, and checking for proper fuel flow after turning on the ignition (presuming the red Engine switch is concurrently set to Run.) Have a cup handy to catch the fuel as it is pumped out of the tank.

Perhaps a faulty fuel cap is creating a vacuum. Remove it and attempt to start and ride your rig. If the symptoms that you've experienced disappear, it's quite possible that the cap isn't flowing sufficient air to replace the fuel in the tank as it is consumed.

The erroneous RPM display is a mystery. I recall mention of at least one or two SS members who had their electronic speedometers replaced due to internal malfunctions that didn't affect proper running of the engine. So I'm not sure if the 19K engine speed figure is or isn't linked to your no-run situation.

Best of luck.
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Re: Dead 2018 GU

Post by Zuurg » Thu Apr 04, 2019 6:55 pm

Thanks for the tips. At this point turning the key doesn’t do anything at all to it. Any idea of how to test the battery?
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Re: Dead 2018 GU

Post by hotflash44 » Thu Apr 04, 2019 7:15 pm

Zuurg wrote:
Thu Apr 04, 2019 6:55 pm
Thanks for the tips. At this point turning the key doesn’t do anything at all to it. Any idea of how to test the battery?
get a multi-meter cheap less than 20 dollars, set to 20 volts DC put red prob on positive, black to ground or negative on battery. a fully charges battery should read minimum 12.5 volts when engine isn't running. now that you have been trying to start it probably will show less. my guess is the battery is low enough to effect the gauge reading, so might try charging if that doesn't work new battery. i have had new battery go belly up in a year internal defects. when you get it running look at the multi-meter and raise the RPM to about 1200/1800 the volts should increase to 13.5/14.5 if the alternator is charging. i know it sucks big time! :cheers:
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Re: Dead 2018 GU

Post by Zuurg » Thu Apr 04, 2019 7:30 pm

Battery is reading 12.68v. When I turn the key though, nothing happens at all. No lights, no cycling of the needle or LCD no fuel pump. Is the key switch the problem?
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Re: Dead 2018 GU

Post by Zuurg » Thu Apr 04, 2019 7:33 pm

(Also checked the fuses, all good)
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Re: Dead 2018 GU

Post by hotflash44 » Thu Apr 04, 2019 7:40 pm

Zuurg wrote:
Thu Apr 04, 2019 7:33 pm
(Also checked the fuses, all good)
sound like a loose wire, check all you can especially the battery neg ground on mine its white. :?
2016 gear up asphalt grey, name Seryy Medved ,Air America CIA circa 1967/8 Vung Tau Viet Nam USS Tutuila ARG-4 (AND JUST A TOUCH OF AGENT ORANGE!)

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Re: Dead 2018 GU

Post by Burt1713 » Thu Apr 04, 2019 7:47 pm

Zuurg wrote:
Thu Apr 04, 2019 7:30 pm
Battery is reading 12.68v. When I turn the key though, nothing happens at all. No lights, no cycling of the needle or LCD no fuel pump. Is the key switch the problem?
Just to clarify, did you check the battery voltage with the key on?
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Re: Dead 2018 GU

Post by Lofty » Thu Apr 04, 2019 7:59 pm

Zuurg wrote:
Thu Apr 04, 2019 7:30 pm
When I turn the key though, nothing happens at all. No lights, no cycling of the needle or LCD no fuel pump.

Is the key switch the problem?
The ignition switch assembly (harness) on the 2018 rigs were subject to a recall. I received a replacement from my dealer. Since my original key switch harness still works, I carry the new spare in my tool kit. It takes <5 minutes to change the plug-and-play connection.

If you've not received a new switch harness, you might consider calling your dealer and asking him to get on the stick.
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Re: Dead 2018 GU

Post by Tomcatfixer » Thu Apr 04, 2019 8:16 pm

Perhaps a faulty fuel cap is creating a vacuum.
Are the OEM fuel caps vented? I never checked. I've been using a non-vented aftermarket gas cap for years without issue.
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Re: Dead 2018 GU

Post by Zuurg » Thu Apr 04, 2019 10:51 pm

Burt1713 wrote:
Thu Apr 04, 2019 7:47 pm
Just to clarify, did you check the battery voltage with the key on?
No, the key wasn’t in the ignition when I tested the battery voltage.
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Re: Dead 2018 GU

Post by Zuurg » Fri Apr 05, 2019 7:46 am

Lofty wrote:
Thu Apr 04, 2019 7:59 pm
The ignition switch assembly (harness) on the 2018 rigs were subject to a recall. I received a replacement from my dealer. Since my original key switch harness still works, I carry the new spare in my tool kit. It takes <5 minutes to change the plug-and-play connection.

If you've not received a new switch harness, you might consider calling your dealer and asking him to get on the stick.
Would the harness have anything to do with the LCD display not showing anything when the key is out of the ignition? It usually shows the time. Now it just shows nothing.
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Re: Dead 2018 GU

Post by Albuquralque » Fri Apr 05, 2019 7:52 am

Take a look at the wiring diagram.

https://static1.squarespace.com/static/ ... 281%29.pdf


Might want to find and check the 30A fuse that sites between the battery and the key switch.
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Re: Dead 2018 GU

Post by Zuurg » Fri Apr 05, 2019 10:04 am

Albuquralque wrote:
Fri Apr 05, 2019 7:52 am
Take a look at the wiring diagram.

https://static1.squarespace.com/static/ ... 281%29.pdf


Might want to find and check the 30A fuse that sites between the battery and the key switch.
Thanks! Any idea where that fuse might be?
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Re: Dead 2018 GU

Post by Darman » Fri Apr 05, 2019 10:30 am

isn't this still under warranty?
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