Cooling system

[Delasangre4231]

So to start with every time I ride I hover between 160 and 185 and I know my fan works when I get over 212. Now the problem is, normally I pull into work and the bike warms up to 190 heading across the parking lot, but once a week or so i turn it off and it jumps to 226 and the fan runs. It takes 2 minutes to get back to 210 and the fan turns off but it worries me. Is this normal or maybe a sticking thermostat or some issue?

 

[bpchura]

I wouldnt worry about it getting up that high when the bike is shut off. The coolant temperature sensor is on the back of the block and not in the radiator. When the bike is shut off, the coolant stops flowing and can build up heat. If the bike was running, the fan would keep it cool.

 

[Soupnutz]

Mine stays around 190-200 when riding when stopped in traffic it'll get up to around 214 before it starts to drop.

 

[TownsendsFJR1300]

Check and clean your RADIATOR CAP. If its not sealing well, temps can climb real quick.

A service (flush and clean with new coolant) wouldn't hurt either......

 

[sdriv3r]

Got mine flushed and new coolant, I see around 170 on the highway, 180-190 while moving on city roads with stops and lights. When stopped for awhile or in heavy traffic it climbs to 210 and fans kick in.

 

[TownsendsFJR1300]

Mine normally runs about 171F (with average speeds of 35-65 MPH).

I've got to sit at a light for several minutes to see the temp rise 5 degree's. Kinda rare for me to even see 185..

I've NEVER had the fan kick on but I try hard to avoid rush hour stop and go traffic..

 

[raja777m]

Got mine flushed and new coolant, I see around 170 on the highway, 180-190 while moving on city roads with stops and lights. When stopped for awhile or in heavy traffic it climbs to 210 and fans kick in.

Mine's the same, and god or Previous Owner knows what is inside that tank. Changing to new stuff at 11k miles.

 

[motorider]

I recently flushed my system and now run just water and a coolant additive for corrosion protection and better cooling. My bike was frequently getting up to 220 on a warm day in stop and go traffic, now it barely gets passed 200, but still stays between 175 and 190 on the highway.