Stall after start - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 5 Old 08-09-2009, 08:34 AM Thread Starter
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Stall after start

I have to guess that this has been covered before, but for the life of me I can't find it after multiple google searches of this site.

Last night, getting ready to go to work, I started the bike in the garage to warm up while getting the last pieces of gear on. After running seemingly fine for about ten seconds, the engine abruptly stalled. No choking, sputtering, or anything like that... just suddenly dead. I reached over, pulled in the clutch, hit the starter again, and after another few seconds it stalled again. After the third start, I revved the engine gently up to just above 2k rpm for a second or two, and that was the end of the problem for the rest of the night.

This morning, coming out of work, going through my usual routine, I started the bike while gearing up, and after a few seconds it stalled. Starting it a second time, I revved the engine gently for a moment, and it seemed to run fine thereafter.

The bike is an '09 650 with about 4500 miles on it. I generally run 87 octane. Oil was changed at 3k miles by me. Idle speed, as observed this morning, is right around 13k rpm (after the second start). Otherwise, the maintenance history on the bike is insignificant. I am in the habit of killing the engine with the side-stand, if that makes any difference...

Most "stalling" threads I found were only when coming to a stop. My bike does not stall other than when first started. This has happened once or twice before in the last couple weeks, but I had written it off as an anomaly. Twice in 12 hours really got my attention though.

Anyone have any good ideas? Thanks!

[SIZE="1"]Orange K9 Wee - Givi guards and screen, Zuk hand-guards, Madstad, Rick's fork brace, Shad topcase, Sargent seat, Rox risers, Vessel luggage bracket and sheepskin, Tuono Mirrors, CL-850 bags, Wolo horn, Powerlet.
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post #2 of 5 Old 08-09-2009, 09:25 AM
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Safety interlocks may prevent the bike from cranking but none of them will kill the engine after starting. There may be a problem with the cold idle circuit. It only takes a matter of seconds in warm weather for the idle to come back down to 1300 after starting but it should idle a few hundred rpm higher when first started. Ten seconds would probably be enough to allow it to drop though so maybe you got some bad gas.

Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014-2016 DL1000s. Wee = 2004-2011 DL650s. Glee = 2012-2016 DL650s
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post #3 of 5 Old 08-15-2009, 05:09 AM
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I experienced a similar issue a few weeks back and received the same excellent guidance from Grey Wolf. I've since paid some attention to the cold start/fast idle and have similar observations as to its behaviour in warmer weather.

In my case, it turned out the initial stalling issue was likely related to a slightly off tank of gas as it disappeared after the next fill-up, and never returned.
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post #4 of 5 Old 08-15-2009, 06:56 AM Thread Starter
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Update:

First off, Pat, thanks, as always for your prompt and courteous advice. I've been waiting to post a response until I could burn off that tank of gas. I went on a nice long ride Tuesday and refilled at a Shell station. Last night was the first chance I've had to ride since then, and while it did seem to choke down a little bit before settling into a good idle, at least it didn't stall. We'll see what happens when I start it up here in a half-hour. Fingers crossed!

[SIZE="1"]Orange K9 Wee - Givi guards and screen, Zuk hand-guards, Madstad, Rick's fork brace, Shad topcase, Sargent seat, Rox risers, Vessel luggage bracket and sheepskin, Tuono Mirrors, CL-850 bags, Wolo horn, Powerlet.
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post #5 of 5 Old 08-17-2009, 12:12 AM Thread Starter
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Still happening...

It did it again tonight. I've got about 55 miles on this fresh tank, and she stalled out after starting again tonight. It seems to be when the revs are falling back down to idle speed after the initial few seconds of 2k rpm that it drops a bit too low and stalls out.

I guess I'll be taking it over to the dealership to have them look at it before the waranty runs out next month.

[SIZE="1"]Orange K9 Wee - Givi guards and screen, Zuk hand-guards, Madstad, Rick's fork brace, Shad topcase, Sargent seat, Rox risers, Vessel luggage bracket and sheepskin, Tuono Mirrors, CL-850 bags, Wolo horn, Powerlet.
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