Question about 2003 kawasaki ZX-6R

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Seriously overheating zx6r ninja

Just got a 2005 zx6r ninja whch overheats even on a 20 minute ride with only one 30 second stop. have changed coolant but has made little difference. any idea? thermostat maybe? i am having a problem with my 2003 zx6R over heating, the fan seems to come on at 240 degrees and shut off at about 235 degrees is this correct, wat could i do to fix this problem?

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  • al james May 11, 2010

    check that there is no mud or leaves in the radiator . remove the rad cap and see if the coolent is moveing around if its not i cood be themostat stuk shut or the water pump is not working id start here frist cause there is heeps of stuff the can cause a over heating problem

  • Dick
    Dick May 11, 2010

    Not too many things can cause overheating. Your thermostat may not be opening, your water pump could be broken, your radiator could be plugged or your fan could be faulty. The fan is easy to check, apply 12v to it and see if it runs. If it does, the sensor could still be bad. It should come on at around 210 degrees, 235 seems too high to me. Do you have enough coolant in the system? If you do and the fan is working I would check the thermostat next, then the water pump. Good luck.

  • Anonymous Mar 16, 2014

    bike over heats if going in stop and go traffic.checked fuses for fan. all does turn on.does have oil and coolant in system. radiator does get hot when bike stop and go traffic zzr goes over 240. any solutions for this problem.?



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**** and cj are both idiots, he said 235 the fan comes 245 by readout starts blinking. My bike never got above 210 before this season now even on short rides it overheats to above 220. I'm going to flush the radiator and hope this works. The fan comes on fine, to check the fan all you need is a pair of ears as it stays on after you switch the bike off.

Posted on May 05, 2010

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With the 05 I would check the thermostat. With the 03 that is normal, my 02 cuts on and off around the same range. I put a switch in so I could turn my fan on when ever I wanted. I run mine once I get to 175...

Posted on Jun 22, 2009


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