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sv1000 Fan Failure
Ridin Dirty
Posts: 15
Join Date: August 5, 2008
Location: Alexandria
Unhappy sv1000 Fan Failure - August 30, 2008, 05:34 PM

We were out in DC today and my '03 sv1000 overheated - temp 230 degrees and climbing - causing it to stall out in the local road traffic. We pulled over and checked the fan. The fan didn't appear to be running.

On top of that, there was some light smoke coming from the fan area and the bike wouldn't turn on until it cooled down. Anyone run into this before with an sv? Have any suggestions? Recommendations on who to take it to for repairs?
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NoVaGhost's Avatar
Posts: 2,858
Join Date: April 29, 2006
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August 30, 2008, 05:45 PM

buy something besides suzuki? j/k

sounds like the thermostat took a and your fans didn't kick on to cool the anti-freeze. Buy a new thermostat and you're golden. Could also be a relay / fuse... Id bet on the thermostat though.

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When you lower me down beneath that sky of gray
Let the rain fall down and wash away your pain"

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The Evil Twin's Avatar
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Join Date: June 22, 2008
Location: North PWC
August 30, 2008, 05:55 PM

Got a wiring diagram for your bike? Jump the stat out with some scrap wire at thge plug. Turn the bike on (no need to start). The fan(s) should come on. If they do, pull the stat out (stat for the fans, not radiator). Boil some water and put the stat in it, this will cause it to close. Give it 1 or two minutes. Pull it out and check it for continuity real quick with a Volt/ Ohm Meter. If it closes, the problem may be in the wiring.

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August 30, 2008, 06:12 PM

just start with some simple things like coolant level check, thermostat, fuses, etc...

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windblown's Avatar
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Join Date: June 17, 2006
Location: Shenandoah Valley, VA
August 30, 2008, 08:52 PM

Possible failure points: Fan - Thermostat - WaterTemp sensor - (relay?)

OPtions: 1) Buy a repair manual (first choice IMHO). 2) Run diagnostics as described below without manual (no guarenttees) 3) take to repair person of your choice.

You stated the bike only overheated in traffic so that pretty much rules out the thermostat.

You stated the fan did not come on. Check connectors at the fan and at the watertemp sensor switch which is attached to the thermostat cover housing, and relay (if one is part of the cicuit).

If problem not found then unplug fan from harness and apply 12v power directly to the fan to see if it runs. If not, fan is bad and needs to be replaced. If the fan runs then the problem is either the watertemp sensor itself or a relay within the circuit (if there is one)

Not to hard really. Actually really simple with a manual.

Edit to add: I did a quick looksee at the fiche on Ronayers and I don't see a fan relay in the circuit. But I might have missed it.

Last edited by windblown; August 30, 2008 at 09:10 PM..
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