Help – My bike is Overheating – GV650 EFi
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Bike Model = : GV650 EFI
Hi everybody
im new here and I’m from Denmark🙂 Just got my Hyosung GV650 from 2010. Bought it used and it need some love.
I really need some help to where I can get some parts to the bike and how I can solve my one big problem.
so the bike is overheating. It can run for approximately 20 minutes and then the motor just turns off because of the heat. I have cleaned the cooling system and there is a new thermostat at the cooling grill. I know my fan dosnt work.
have anyone have similar problem or is there anyone who knows what I could try?
I know I need a new fan at least🤷🏽♂️
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Hyosung has issues with the supply chain globally affecting certain parts being available to distributors but , good job on replacing the thermostat
Next, you will need a FAN SWITCH , see the topic below:
Get a bottle of MOTUL FACTORY LINE RACING COOLANT , it is my most recommended coolant for any Liquid cooled motor.
Download the service manual on this forum , so it will show you how to deal with the temperature issues and how to test your TEMPERATURE Sensor
So remember, 3 things to check:
- FAN Switch (Link above ^ )
- Temperature SENSOR (Measure values using multimeter to make sure it is within OEM spec on service manual)
- Thermostat (again, get water in a bowl at boiling 80c degrees, and see if it pops open) , then put it back inside the engine & check for leaks.
Last thing to check, make sure the WATER PUMP is OK. If the pump is dead, it won’t be able to move coolant around your cylinders to the radiator to cool it.
Water pump is very hard to get these days , so be ready to repair it if necessary but hopefully there is no issue with it.
Keep us updated!
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Have you actually removed the fan , and put it on the battery directly to see if it spins ? It could be just the switch which i gave you a forum link above ^ ?
Fans rarely fail but it happens , its almost always the switch needing a replacement before the fan does.
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