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Honda CBR 600 Discussion of the Honda CBR 600F1, Honda CBR 600F2, Honda CBR 600F3, Honda CBR 600F4, Honda CBR 600F4i, and Honda CBR 600RR Motorcycles.

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Old 08-28-2008, 3:00 PM   #1
 
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Radiator cleaning

Hi Guys,

My bike has been slowly running hotter over the past few months. It used to always run below 80 degrees (except on hot summer days when stuck at a robot) but now it's running between 77 - 87 degrees in winter while riding. A number of possible problems have been proposed - thermostat, waterpump etc, but before I send it into the shop to be worked on I want to try cleaning the radiator, which is quite clogged with bugs.

I'm thinking of using a corrosive cleaner such as caustic soda, which has been recommended to disolve the bugs without harming the fins. Does anyone know if this is a good idea, or if it will damage the paint/metal/plastic areas?

Thanks for your advice
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Old 08-28-2008, 9:59 PM   #2
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Re: Radiator cleaning

When was the last time you changed and flushed your coolant and cooling system?
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Old 08-28-2008, 11:19 PM   #3
 
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Re: Radiator cleaning

I just had that done last week, a complete flush and coolant replacement. If anything, that seemed to make the problem worse.
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Old 08-29-2008, 4:59 AM   #4
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Re: Radiator cleaning

You could still have air in the system, or not enough coolant.
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Old 08-29-2008, 5:13 PM   #5
 
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Re: Radiator cleaning

I stood over them while they were doing it - which I always do unless it's a big job. The mechanic assured me it was a 50/50 mixture of antifreeze and water, and I asked about airlocks and he assured me there wouldn't be any - the radiator was full when he put the cap on.

I just checked, and there's coolant in the resevoir, so that means the radiator's okay, right?
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Old 08-29-2008, 7:42 PM   #6
 
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Re: Radiator cleaning

dude just clean it with like a window cleaning squert bottle or a hose at normal tap pressure and just rinse threw!!!!
as long as coolant level is good it should cool!!!
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Old 09-02-2008, 6:04 PM   #7
 
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Re: Radiator cleaning

Originally Posted by Blade007 View Post
I just checked, and there's coolant in the resevoir, so that means the radiator's okay, right?
Actually, your radiator is OK because your engine isn't overheating. A few bugs are going to lessen the efficiency of the intercooler a bit, but not so much as to cause concern. You're running well within normal operating temperatures. If your bike was running a temp of 110C while moving, then I'd start to worry. My advice is to take a hose to it and then get out and ride.
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