Question about 1990 Honda CBR 1000 F

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Over heating hi, Can anybody help just recently my bike overheated in this bad recent cold weather, I heard a clattering noise from the bottom of the engine and water was coming out of the overflow pipe each time I put some in. Thinking that the water wasn't circulating around the engine I came to the assumption that the problem was the water pump, so I took it out and found that the propellors had sheared off. I've replaced the water pump and the water is now circulating properly as it should. I then took off the radiator cap and let the engine run to allow any air blocks to escape. Thinking that I had solved the problem I realised that after leaving the bike running it started to overheat again. My next thought is that it may be the thermostat but having no manual for this bike (and unable to get hold of one) I don't know where the thermostat is. Can anyone tell me if the thermostat is located below the radiator cap and if it's not the thermostat does anyone have any clues a to what might be the problem Thanks Jed

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The thermostat is behined the radiator cap where 3 hoses join. Undo the 3 hose clamps & 1 wire & pull the fitting a part. If you can not get a honda thremostat, a car one will fit but it must open at 80-C at min. May need to change the o-ring as well.


Posted on Jan 22, 2009


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