Interesting, John87 are you basically just running your fan all of the time in traffic? Any hints on how you went about bypassing and putting in a manual switch? Thanks.

 

I just had the same problem. blown fan fuse for me too.

 

I wish it was as simple as replacing the fan fuse for me...Does anyone know how to drain out all of the coolant and burp out the system? I would like to try that with a new thermostat and if that wont work maybe try the fan switch John87 was talking about.

 

I don't know how to go about getting an air bubble out, but drain the coolant from theradiator and engine, unhook the hoses to the radiator and flush it out. It could be that there's a bunch of gunk in there and it's not letting enough coolant flow through it. Stop-leak will do that over time, it'll plug up the radiator. I've flushed my truck motor out by just sticking a garden hose into where the coolant enters the motor and just running the motor for a while til the water comin out was clear. Did that, new t-stat,and flushed the radiator like said above, and it helped my truck a ton!! If you do that and none of it helps then it'd almost have to be the water pump.

 

you should check the front of the radiator....it may be clogged with debris....My buddies f3 had the same problem. Check your fuses....if its not that I would reccommend taking your bike apart. I know it seems sketchy but thats the only way your going to learn. Its pretty easy to do, just remember how you took it apart and when your ready slap it back together. I would take the radiator out. drain it, replace your therostat and water pump. BTW how many miles are on it?

 

Thanks guys, I will change the T-stat and drain and flush the coolant when I get a chance (and double check the fuses although I am sure they are fine). I will let you guys know if that solves the problem.

 

Oh, emperor wurm, the bike only has 11,000 km on it. 7,000 miles?

 

strange...thats relativilty low milage....let us know what happens after you change all that good stuff.

 

I'm not sure its the same on an f3, but first replace the coolant and make sure its topped off. Next, check thermostat (put in a pan of water and turn the heat on and watch to make sure it opens (no metal to metal contact though). Check temp gauge. For me it was so bad I had to crack the block open to remove all the carbon from the piston and chambers and that did it. Good luck

 

Update so far.....I did a coolant flush and changed the coolant, burped the system. Unfortunatly the easy fix did not work, the bike almost overheated today in traffic (only 17 degree C outside so pretty cool). I now have a thermostat on order, hopefully that will solve the problem. I am now assuming that the thermostat on the bike is jammed shut....although that seems odd on a bike with only 11,000 km's.