254 temp in less than 10minutes - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 66 (permalink) Old 05-31-2014, 07:13 PM Thread Starter
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254 temp in less than 10minutes

So I went to go fill up at the gas station (please note it's my first ride since last June) and by the time I was done and on my way home, the motor was blinking 254degrees with the oil light on!

My first track day is suppose to be June 16th and I want to be able to make it without my bike falling apart!

It has a fresh oil
Change, in fact that's the first ride since I changed the oil. Noticed some fluid well spread out on my lower fairing, the fairing collected the fluid. Not sure if it's coolant or oil.

What else could go wrong?! Ahh! Does anybody have any ideas?


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post #2 of 66 (permalink) Old 05-31-2014, 07:19 PM Thread Starter
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254 temp in less than 10minutes

So it's a pretty big coolant leak. But why would my oil light be on solid light no blinking, while I was riding?
And why does it only leak when The bike is on or if I'm riding

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Last edited by Ram51; 05-31-2014 at 07:25 PM.
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post #3 of 66 (permalink) Old 05-31-2014, 07:42 PM
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Check your coolant hose connections at the radiators...they could be expanding when the hoses heat up causing the leak. Happened to my SP1, all I did was tighten up all the connectors and problem solved. Also make sure your fuse for your fan is working, fan is kicking on right? I only mention it because I also had a blown fuse for the radiator fan.

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post #4 of 66 (permalink) Old 05-31-2014, 08:08 PM
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Any oil light is not good. Read the service manual to decode what solid versus flashing means.
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post #5 of 66 (permalink) Old 05-31-2014, 08:10 PM Thread Starter
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Haven't checked to see if both radiators are on. I did hear them running though, is there a way to check and see if they work without having to leave my bike running til it gets hot?

Haven't inspected behind the radiator or any of the hoses yet. Still waiting for it to cool down.

What about my oil light being on? I have a fresh oil and an oil filter in there


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post #6 of 66 (permalink) Old 06-01-2014, 01:11 PM Thread Starter
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I'm not really sure where to start with these radiators.. Am I suppose to remove them and see what's leaking through the back?


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post #7 of 66 (permalink) Old 06-01-2014, 07:35 PM
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^ First remove both fairings to see if you can find dried up spots of coolant residue near the radiators or at a hose connection somewhere.

If the leak spot(s) is not obvious, then add coolant, start the bike up, allow it to idle for several minutes while it gets up to temp and monitor all radiator hose connections/radiators to see if the leak point can be identified.

You can always try a cooling system pressure test kit or let a reputable shop take a look at things to sort out your bike since you will be putting it on the track pretty soon (?).

G'luck

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post #8 of 66 (permalink) Old 06-01-2014, 09:08 PM
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Quote:
Originally Posted by COBRA90GT View Post
^ First remove both fairings to see if you can find dried up spots of coolant residue near the radiators or at a hose connection somewhere.

If the leak spot(s) is not obvious, then add coolant, start the bike up, allow it to idle for several minutes while it gets up to temp and monitor all radiator hose connections/radiators to see if the leak point can be identified.

You can always try a cooling system pressure test kit or let a reputable shop take a look at things to sort out your bike since you will be putting it on the track pretty soon (?).

G'luck
The cooling system is important, but you need to find the source of the oil light problem first. Overheating will damage your engine, but it will take a while to get that hot. A lack of oil pressure will destroy the engine in seconds.
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post #9 of 66 (permalink) Old 06-02-2014, 09:01 PM Thread Starter
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The cooling system is important, but you need to find the source of the oil light problem first. Overheating will damage your engine, but it will take a while to get that hot. A lack of oil pressure will destroy the engine in seconds.

Lack of oil pressure? As in loose oil pan bolts or loose oil filter? Just those two possibilities?


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post #10 of 66 (permalink) Old 06-02-2014, 09:27 PM
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Lack of oil pressure as in
  • No oil
  • low on oil
  • clogged oil journal
  • sending unit faulty or not connected
  • oil pump is no good.

Perform an oil change just to get fresh oil in the engine.

Good luck.



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