Engine dies when cold - Suzuki GSXS1000 Forum
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post #1 of 21 Old 05-11-2016, 01:45 PM Thread Starter
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Engine dies when cold

Hello fellow gsxs-ers,

I have had the following happen to me twice now (today and yesterday).

After starting the bike and riding off (bike soaked to ambient, appx 60 deg. F), I come up to my first or second stop sign and pull in the clutch and downshift from 2nd to 1st (clutch still pulled all the way in). As the bike comes to a stop, the engine suddenly dies. The RPMs seem to fall too fast and the idle doesn't catch it fast enough. It starts right up after that when I press the starter and seems to run fine until it's all the way cold again.

FWIW, the first temperature bar is already on when this happens. I actually have both of these occurrences on video so I will upload them to YouTube after work today.

Has anyone else experienced this issue? I'm thinking it's either a) running too lean or b) the canister is overfilled.

Thoughts?

edit: I forgot to mentioned that mechanically, my bike is 100% stock.
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post #2 of 21 Old 05-11-2016, 02:13 PM
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It could be the evap canister. Did you just fill up the tank? Bad gas?


'17 Husky 701 SM
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post #3 of 21 Old 05-11-2016, 02:22 PM Thread Starter
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It could be the evap canister. Did you just fill up the tank? Bad gas?
I was at about 100 mi on the tank yesterday and around 140 today. Haven't filled up since Friday. I put the same fuel in as I usually do (ARCO 91).
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post #4 of 21 Old 05-11-2016, 05:35 PM
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I've been able to kill every fuel injected bike I own by doing what you are saying. Every one.

A faster idle helps.

I dont think the answer is any different than we felt, years ago, when we had a manual choke. A computer dies it now, but the engine is still not up to operating temps and we dont have all the sensors monitoring like our cars do.

Heres hos I can kill mine, and I sometimes make a game of it. As you start the bike, its almost as if a "fast idle" kicks on. Thats fine, if the bike is sitting.

But, once you put it into motion, gearing, brakes and speed can drop the rpm. At that point, quickly closing the throttle will kill the engine.
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post #5 of 21 Old 05-11-2016, 05:45 PM
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i would start by checking the clutch switch is working fine
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post #6 of 21 Old 05-11-2016, 05:56 PM Thread Starter
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i would start by checking the clutch switch is working fine
I will double check that after work, thanks.
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post #7 of 21 Old 05-11-2016, 05:57 PM Thread Starter
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I've been able to kill every fuel injected bike I own by doing what you are saying. Every one.

A faster idle helps.

I dont think the answer is any different than we felt, years ago, when we had a manual choke. A computer dies it now, but the engine is still not up to operating temps and we dont have all the sensors monitoring like our cars do.

Heres hos I can kill mine, and I sometimes make a game of it. As you start the bike, its almost as if a "fast idle" kicks on. Thats fine, if the bike is sitting.

But, once you put it into motion, gearing, brakes and speed can drop the rpm. At that point, quickly closing the throttle will kill the engine.
Doesn't help that the engine runs lean as **** from the factory, either.
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post #8 of 21 Old 05-11-2016, 06:04 PM
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Jeffro, I can still do it on my ecu reflashed bikes.

Give it a try. Its one of those things your better off finding and learning to avoid as opposed to letting it happen as you pull out into something. Never was a deal when leaving the house. Kind of a deal the night it died leaving the drive in movie (long story).

My "cure" is to start the bike, then put helmet and gloves on. Thats enough time to avoid the issue.
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post #9 of 21 Old 05-11-2016, 06:18 PM Thread Starter
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Jeffro, I can still do it on my ecu reflashed bikes.

Give it a try. Its one of those things your better off finding and learning to avoid as opposed to letting it happen as you pull out into something. Never was a deal when leaving the house. Kind of a deal the night it died leaving the drive in movie (long story).

My "cure" is to start the bike, then put helmet and gloves on. Thats enough time to avoid the issue.
Yep, totally agree with you.

I will try letting it warm up a bit more before taking off. Thanks for the tip.
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post #10 of 21 Old 05-12-2016, 02:55 PM
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It's always better IMO to let the engine [and oil] warm a little before riding off.
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