Question about 1994 Suzuki RF 900 R

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Bike getting hot

Just got this RF900r 1996 went ridding yesterday, got home and temp was right in the red. thanks for the help.

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Hi, There are several things it could be so hang in there. First the most obvious. When the temp was hot was the radiator fan on? Have you checked the radiator fluid to make sure it was full(do this only when cool)? If these check out the next step is the thermostat, it is inline with the hose coming from the radiator. After that the water pump would need checked and last believe it not the oil cooler. Ya gotta love long distance troubleshooting. Good Luck!

Posted on Feb 09, 2009


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First check radiator fluid while engine is up to operating temperature, add if neccessary.

Then check to make sure your fan is kicking on when your bike starts to get hot. If your fan doesn't kick on that is your problem. If your fan does kick on and your fluid is full move on to next step.

Remove thermostat from bike and test to see if its working properly. You can put the thermostat in a pot of water on the stove. Use a candy/meat thermometer to see at what temp the thermostat opens up. It should open at around 180 degrees.
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