Bike misfires when cold. - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
DL1000A - 2017+ DL1000A - 2017 (L7) and later

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post #1 of 10 Old 12-04-2017, 03:20 PM Thread Starter
EVH
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Bike misfires when cold.

I have an 18 vstrom 1000. The bike has 1k miles on it and has done this probably 6 times, even stalls sometimes. It's like one cylinder
doesn't fire or doesn't get enough fuel to fire I'm not sure. It only happens when the bike is cold. Kinda nerve racking, it stalled out going across an
intersection last time.

Thanks
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post #2 of 10 Old 12-04-2017, 04:22 PM
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With fuel injection and an O2 sensor it should be perfect. Possibly some sensor malfunctioning. At least it's still under warranty, (I assume ). Is the 18 model part of the ECU recall?

I don't want a pickle, I just want to ride my motorsickle. A. Guthrie.
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post #3 of 10 Old 12-04-2017, 05:44 PM Thread Starter
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I contacted the deal I bought it from, the service department said the 18's are not part of the recall and there are no recalls for this bike at this time.
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post #4 of 10 Old 12-04-2017, 06:35 PM
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Question, do you keep the bike in a warm garage ?

An issue I have had with my Vee, I keep it in my basement in winter and wheel it outside before I start it. It starts right up, but almost immediately dies, I have to babysit the throttle till it's warm.

If I leave it parked outside in cold, I don't have the problem.

I have deduced that when parked inside, the engine "thinks" it's already warmed up because the water temperature is 40-50 than the outside ambient temperature

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post #5 of 10 Old 12-04-2017, 07:33 PM Thread Starter
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I do keep it in my garage, it's not really cold here yet in Las Vegas, probably in the 50's at night.
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post #6 of 10 Old 12-04-2017, 08:13 PM
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I don't know how much temperature differential before it affects the running, mine, I keep my bike outside till we have snow, so when I start keeping it inside, I already have a 30 differential, but mine is so severe it won't run at all without throttle, kinda tics me off a bit, my carbed SV650, no issues at all cause it has a manual choke, I wish the strom had a manual enrichener

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post #7 of 10 Old 12-04-2017, 09:57 PM
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I assume the new bikes have the same ECU that is being replaced in the earlier models, ending in J12. Several of us have had similar issues with that ECU when taking off cold. Some characterize it as a "puff" through the airbox, or a brief loss of power. With mine it would happen making the sharp turn from my driveway onto the street. Another member found that if he let it warm up for 4 minutes it would never act up. I've never timed it, but around 3 minutes warm-up seems to work for me. Nonetheless, I try to keep the revs up in turns, maybe slipping the clutch a little until it's fully warmed up.

It's a little irritating that they can't get this right (the 650 seems perfect with regard to engine control), but I figure it is a reasonable trade for not having the engine stall at random times. My guess is there will eventually be another iteration of ECU for the 1000.

However, with the new ECU mine has never stalled, so your problem seems more severe. I would definitely take it back to the dealer as a warranty issue. There could be some setting or adjustment that's a little off.

-Gary
2014 V-Strom 1000 - Desert Khaki
2016 GSX-S1000FA
2012 DR650SE
2011 Burgman 400
2007 Honda Helix
2013 V-Strom 650 - sold

Last edited by G-Dub; 12-04-2017 at 10:00 PM.
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post #8 of 10 Old 12-06-2017, 10:03 AM
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As I tried to install X-TRE I removed from '14 model I sold, to my '18 model, I looked at ECU and it's completely different from previous model. Even the connectors are different, with more pins. '18 model ECU has nothing to do with '14 model ECU, recall or not.
By the way, mine works perfectly, has no symptoms of '14 model. When I had '14 model, it came with "0" ECU and was replaced a year after with "2" ECU. It still had some misfiring when cold.
Again, '18 model doesn't have any of those problems, so you should go back to your dealer and demand to fix it.
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post #9 of 10 Old 12-06-2017, 01:01 PM
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Quote:
Originally Posted by bosnjo View Post
As I tried to install X-TRE I removed from '14 model I sold, to my '18 model, I looked at ECU and it's completely different from previous model. Even the connectors are different, with more pins. '18 model ECU has nothing to do with '14 model ECU, recall or not.
By the way, mine works perfectly, has no symptoms of '14 model. When I had '14 model, it came with "0" ECU and was replaced a year after with "2" ECU. It still had some misfiring when cold.
Again, '18 model doesn't have any of those problems, so you should go back to your dealer and demand to fix it.
It stands to reason the 18 ECU would be different since it has cornering ABS and the easy start system (if I'm not mistaken.)

..Tom
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post #10 of 10 Old 12-06-2017, 06:40 PM
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Yes, I agree with you as bike does have cornering ABS and easy start.

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2014 DL1000 Red (sold)
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