Question about 2008 Yamaha YZF-R1
Fans jus wont come on , bypassed the relay fans works perfect
Posted by Anonymous on
Hi, Take the relay out of the bike and use a piece of wire to hang it with the sensor in boiling water. Hook an electrical tester to the relay with the tester set on "continuity" test. Add a thermometer to the water for best results. If you don't have a thermometer, Just wait for the water to start boiling. The relay should change from an open circuit to a completed circuit. If the relay never switches, you need a new one.
Posted on Aug 13, 2016
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Posted on Jan 02, 2017
SOURCE: 2008 R1 cooling fan not
I have a 2002 ducati monster S4, it's fans come on at 212 degrees F, that is about 108 degrees C, They only come on in city traffic, and they have only come on twice in 8 years. Your coolant boils at 265F in a closed system, so depending on what the thermostat is set at, they are probably just getting ready to come on at 103. I kinda wish I had a switch that I could turn them on at any time, so it sounds like your bike is running normal, also, my bike runs at exactly 100 degrees hotter than the outside air temp, always. Hope this helps.
Posted on Jul 29, 2010
SOURCE: Yamaha R1 2008 the cooling
your r1 has it own on board diagnostic check system where you can test if fans any other components are working ,plus it will log any faults in the system. if bike has had major service ,wires for fans,coils can rub through on fan blades if not put back correctly cut wires
Posted on Aug 11, 2010
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