Is there a way of checking my cooling fan is working without sitting with bike running for ages. I can't say I've ever known it cone on.

Yep type in xt660 dyagnostics into Google and u can trigger it through you're clocks same as fuel pump and selonoids etc ... just can remember the process but it comes up on Google

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Yamaha xt660x 2009 blue/gold mods= iridium plug, stage1+2, removed snorkel, blocked ais, akrapovric pipes, power commander pc3usb (pre made map), adjusted tps, dynojet 02 optimiser 30amp aux relay, smoked puig screen, oxford heated grips and brembo carbon ceramic pads, rfx 30mm bar raisers, puig long adjustable leavers, plus much more and a cheep �30 alarm which stopped it been stolen

Or pull the wires from the fan and connect straight to battery.

That doesn't test the circuit tho

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Yamaha xt660x 2009 blue/gold mods= iridium plug, stage1+2, removed snorkel, blocked ais, akrapovric pipes, power commander pc3usb (pre made map), adjusted tps, dynojet 02 optimiser 30amp aux relay, smoked puig screen, oxford heated grips and brembo carbon ceramic pads, rfx 30mm bar raisers, puig long adjustable leavers, plus much more and a cheep �30 alarm which stopped it been stolen

I think so I've some it loads on my x

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Yamaha xt660x 2009 blue/gold mods= iridium plug, stage1+2, removed snorkel, blocked ais, akrapovric pipes, power commander pc3usb (pre made map), adjusted tps, dynojet 02 optimiser 30amp aux relay, smoked puig screen, oxford heated grips and brembo carbon ceramic pads, rfx 30mm bar raisers, puig long adjustable leavers, plus much more and a cheep �30 alarm which stopped it been stolen

NO. Not unless you plug in a Yamaha diagnostic tool.



The diagnostic function is not built into the XTZ dash, unlike the R/X models.

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It doesn't take long to reach temperature to turn fan on. Couple minutes or so idling, at least in a warm climate that's how long it takes.

Diagnostic code 51 checks the cooling fan realay and wiring.

For entering R/X diagnostic mode see this thread:

http://www.xt660.com/showthread.php?t=53

FYI: Riding throughout the year in normal UK weather the fan on my Z only cuts in on the hottest summer days and even then only when I'm stuck in stationary traffic for more than a minute or two. In normal riding it never comes on.

I shouldn't worry too much that you've never heard it come on.

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