Hi @arob2305
Here’s a link to the service manual for the bike. (I think)
Click on Section 6 Cooling and Lubrication …tem.pdf. This details the Cooling section. It shows how to test the cooling section, which includes the cooling fan and the cooling fan thermo switch.
Presumably the thermostat is opening to allow the coolant to flow through the engine and that there are no air locks in the cooling section after the repair.
Don’t know if motorbikes are the same but with car engines if you start a cold engine with the radiator cap removed and then let it warm up when the thermostat opens you will see coolant begin to “flow” or “swirl” in the neck of the radiator. If it does this means that the thermostat has opened because its’ operating temperature is reached. Quickly switch off the engine because the coolant expands when hot and will overflow out of the radiator.
You can view the manual online but you have to sign in to download it.
Hopefully a start.
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