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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. | |||||||
06-19-2007, 4:17 PM
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| Join Date: 02-22-2007 Location: So Cal
Bike(s): CBR 600F4I Posts: 29
Rep:  (10) Rep Power: 0
| Engine runs hotter than normal Last week my thermostat switch went out, so I replaced it, along with new antifreeze. Now my bike runs hotter than normal. I usually run in the 180s on the Hwy. Now my bike runs from the 190s and up into the 200s. Any ideas? | |
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06-19-2007, 4:49 PM
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| Join Date: 01-23-2007 Location: Indiana
Bike(s): 2002 CBR600F4i Age: 27 Posts: 3,876
Rep: (98) Rep Power: 0
| Re: Engine runs hotter than normal did you burp the system after changing the coolant? My bike sees these temps all the time. I can get it to 200 depending on how I'm riding down the highway. If I ride normal it will sit anywhere between 180 and 190 depending on the outside temp |
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06-19-2007, 6:00 PM
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| Join Date: 02-22-2007 Location: So Cal
Bike(s): CBR 600F4I Posts: 29
Rep: (10) Rep Power: 0
| Re: Engine runs hotter than normal How do I burp the system? My bike usually runs high 170s to 180s. I don't see 200 unless I'm sitting at a light. |
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06-19-2007, 6:51 PM
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| Join Date: 06-19-2007 Location: Ireland
Bike(s): CB400SF, Posts: 29
Rep: (10) Rep Power: 0
| Re: Engine runs hotter than normal There can be air in the cooling system.When you filled it did you squeeze the hoses to get the air out. What coolant did you put in the bike and did you mix 50/50 water. Paddy. |
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06-19-2007, 6:57 PM
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| Join Date: 02-22-2007 Location: So Cal
Bike(s): CBR 600F4I Posts: 29
Rep: (10) Rep Power: 0
| Re: Engine runs hotter than normal No, I didn't squeeze any hoses. I used a 50/50 premixed antifreeze from my local moto dealer. |
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06-19-2007, 7:17 PM
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| Join Date: 06-19-2007 Location: Ireland
Bike(s): CB400SF, Posts: 29
Rep: (10) Rep Power: 0
| Re: Engine runs hotter than normal If there is air in the system then the coolant will not be cooling all that it should be as air will be where coolant should be. Take off the cap and move the bike left and right and sqeeze the hoses to get the air out. Paddy. |
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06-19-2007, 7:38 PM
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| Join Date: 06-19-2007 Location: Ireland
Bike(s): CB400SF, Posts: 29
Rep: (10) Rep Power: 0
| Re: Engine runs hotter than normal I am not sure how to edit but only take off the cap when the bike is cool and not hot. Paddy. |
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06-20-2007, 6:07 PM
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| Join Date: 02-22-2007 Location: So Cal
Bike(s): CBR 600F4I Posts: 29
Rep: (10) Rep Power: 0
| Re: Engine runs hotter than normal The bottom hose, the top hose, or all the hoses? |
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06-20-2007, 11:40 PM
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        Join Date: 07-23-2001 Location: Motor City, Michigan
Bike(s): '01 CBR929 Age: 49 Posts: 7,987
Rep:  (799) Rep Power: 22
| Re: Engine runs hotter than normal All. It's easy, I just changed my coolant last weekend. Leave the cap off, and squeeze all the hoses a couple times while the bike is idling. Also blip the throttle, too... |
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06-21-2007, 12:27 AM
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| Join Date: 02-22-2007 Location: So Cal
Bike(s): CBR 600F4I Posts: 29
Rep: (10) Rep Power: 0
| Re: Engine runs hotter than normal Cool thanks! I'm assuming I need to top off the coolant in the radiator. |
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06-21-2007, 8:20 AM
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| Join Date: 07-23-2001 Location: Motor City, Michigan
Bike(s): '01 CBR929 Age: 49 Posts: 7,987
Rep: (799) Rep Power: 22
| Re: Engine runs hotter than normal Yes, after any air is purged fill it back up to the top. |
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06-22-2007, 1:47 PM
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| Join Date: 02-22-2007 Location: So Cal
Bike(s): CBR 600F4I Posts: 29
Rep: (10) Rep Power: 0
| Re: Engine runs hotter than normal Bike runs nice and cool again. Thanks fellas! |
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06-26-2007, 9:21 AM
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| Join Date: 03-19-2007 Location: Brooklyn, NYC but in Beaufort SC
Bike(s): 2001 CBR F4I Red White and Black. Posts: 33
Rep: (10) Rep Power: 0
| Re: Engine runs hotter than normal I'm new to the whole DIY maintance and my bike was running a little hot too. I was wondering can I just put any 50/50 premix coolant in there? And how do you put the coolant in there? I ride a '01 CBR 600f4i |
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06-26-2007, 11:51 AM
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| Join Date: 02-22-2007 Location: So Cal
Bike(s): CBR 600F4I Posts: 29
Rep: (10) Rep Power: 0
| Re: Engine runs hotter than normal Pick up some coolant from your local Motorcycle dealer/shop. I used one called Engine Ice, it works great now. My bike runs 10 degrees cooler than it was. As far as putting the coolant in, (at least with my bike), all I have to do is remove the right side faring, and use a funnel. |
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