Cooling Fan Test - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
DL1000 from 2002-2012 DL1000 from 2002-2012 (K2-L2)

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post #1 of 2 Old 05-15-2019, 02:10 PM Thread Starter
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Join Date: Jan 2018
Location: The Great Northwest (Southwest Washington State)
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Question Cooling Fan Test

Does anyone have a simple test to see if the cooling fans are working correctly? I couldn't find anything in the service manual. At what point should the fan(s) come on.

Reason I asked is last week it was warm here around 85f when I came off highway after a 45 mile run at 70+ mph I saw my temp gauge go up to 4 bars on city streets. Normally it runs 2 maybe 3 bars. At the same time I notice my voltage display drop down to about 12.5 volts, it normally runs around 14.3v unless I have my high beam and grip heaters on then it drops to around 13.5v.

When the temp went up and voltage dropped I didn't notice any fan noises.

My first thought was that maybe the stator magnets had shifted but when I started the bike the next morning all was normal.

2003 Zuki V-Strom 1000
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post #2 of 2 Old 05-15-2019, 08:23 PM
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I have a 650 which normally runs at 3 or 4 bars. If you are at all concerned that the fan is not working, take a highway trip and just let the bike idle instead of stopping the motor. Fans mostly only come on at the lights or during stop/start riding.

2010 Weestrom; 2017 Kawasaki Versys-X300; 1988 Suzuki GSXR1100
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