How hot is "overheating"?

fencer56 said:
I have an 07 FZ1 that I bought new in 2011 (long story for another day). To date, at highway speeds the bike ran about 175-178 degrees. Earlier this sprig I had a minor 'incident' that ended with the bike on its left side and a bent shifter. The engine, frame and other parts were undamaged. Later this summer, at highway speeds, the temp has been running around 10 degrees higher and will climb quickly to 215-220 at stop lights. Now it has been really hot here in VA; double digit days over 90, but I couldn't find anything in the owners manual on how hot was too hot. Thoughts?
Click to expand...
As long as the fan kicks on your good...
 
220-225 would be normal, if outside temp is 100+. For colder temps, run more distilled water, 80 water 20 coolant would be fine. Also, Redline WaterWetter is GREAT and will reduce the temps. 230-240 would be the worry point in hotter weather. You don't want to be sitting. Moving speed will work the water pump and get flow to the radiator.
 
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