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› Bike dies when cold outside
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Bike dies when cold outside (Read 76 times)
Chav84
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Bike dies when cold outside
12/17/21 at 10:37:56
Hi,
I have a 2013 S40 and my bike tends to die when it is cold outside. I noticed that this happens when i first turn it on and let it idle for a few minutes (1 or 2) and also when i am riding and downshift. Eventually it will stop doing this, but this only happens after a loooong time riding.
Any thoughts or suggestion on this? Thanks!
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Gary_in_NJ
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Re: Bike dies when cold outside
Reply #1 -
12/17/21 at 10:46:21
Raise the idle.
Why are you letting the bike idle for 1-2 minutes. No bueno.
Start it and ride it.
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verslagen1
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Re: Bike dies when cold outside
Reply #2 -
12/17/21 at 11:36:55
cold air is denser than hot air.
so more air is getting sucked into the cylinder than fuel.
this causes the engine to run slower.
so turn the idle speed up a bit.
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Tocsik
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Re: Bike dies when cold outside
Reply #3 -
12/17/21 at 12:15:11
Yep, increase your idle speed. And don't let it idle on the side stand. It starves the uphill side of cam from oil. I live in Colorado and ride in the Winter. I don't start it until I'm sitting on it, and let it idle just long enough to get my gloves on and start Spotify. When the motor's cold, just ride it easy for the first few miles; low RPM shifts.
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Chav84
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Re: Bike dies when cold outside
Reply #4 -
12/17/21 at 12:28:21
Thanks. I figured I'd i let it idle, it would warm up and not turn off, but thanks, I'll raise the idle!
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ohiomoto
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Re: Bike dies when cold outside
Reply #5 -
12/19/21 at 05:42:51
This is normal for carbureted bikes and you should be using the choke.
Pull knob all the way up to start. Once started, put in in the halfway position and go ride. It can take several miles for the bike to warm up depending on temperature.
For the record, I commute with my bike and my morning ride in can oftentimes be in the low-40s/mid-30s. I use to ride a lot of motocross and it was the same thing except the bikes would warm up much faster.
As for the idle, it should be set when the bike is at full operating temperature. It's should run around 1100 rpm with the bike at full operating temperature. It's not meant to be adjusted to make a cold bike idle properly. That's what the choke used used for.
Modern EFI systems handle this electronically.
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Tocsik
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Re: Bike dies when cold outside
Reply #6 -
12/20/21 at 13:09:37
Without a tach, here's a bunch of Savages and their idle speeds on YouTube:
https://www.youtube.com/results?search_query=suzukii+savage+s40+idle+speed
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Re: Bike dies when cold outside
Reply #7 -
12/26/21 at 07:43:53
Tocsik wrote
on 12/17/21 at 12:15:11:
Yep, increase your idle speed. And don't let it idle on the side stand. It starves the uphill side of cam from oil. I live in Colorado and ride in the Winter. I don't start it until I'm sitting on it, and let it idle just long enough to get my gloves on and start Spotify. When the motor's cold, just ride it easy for the first few miles; low RPM shifts.
Is it true for the Savage in particular, or every other bike as well?
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