Quote:
Originally Posted by Ponr
I didn’t know if maybe I have a higher temp thermostat.
Has anyone ever tested there thermostat?
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I think it's more likely you have a thermostat that's beginning to fail.
If you're prepared to go as far as removing the thermostat to do something like testing it in hot water you should just go ahead and replace it. Your bike is a 2004 so the thermostat is 15 years old now, why wouldn't you just replace it?
Thermostats don't always fail in the same way, sometimes they stick closed, sometimes they stick open, sometimes they end up with a shortened range-of-motion (not going all the way open or not going all the way closed).
The truth of a vehicle thermostat is that it is a
consumable item (like the chain and tires, etc.), which means it will absolutely have to be replaced occasionally during the life of the vehicle. We EX250 owners are lucky because the OEM thermostat installed in our bikes has a pretty long life, but it doesn't last forever.
Just replace it and ride, your bike will almost certainly be fine.