slangblades
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Posts: 91
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Registered: Jun 8, 2020 19:20:50 GMT -7
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Post by slangblades on Aug 24, 2020 13:53:19 GMT -7
I have noticed my bike regularly reaches temperatures of around 230 to 235. Even on days when it is not hot or in the afternoon when it's pretty nice weather out it has reached 235. I don't ride aggressively at all. Normally this section is blue from being able to see the coolant through it, I don't see coolant running through it now though and I'm wondering if this little section is always supposed to have coolant running through it? The Coolant Level is near the "full" line. I have avoided riding until I figure out if this is normal. I never noticed how hot the bike gets until about a week ago. It was very very hot on my left leg. Both fans seem to be working Fine. I know some have said this bike runs kind of hot but I just find it odd that I never noticed up until a week ago that my balls were frying on the tank. I think I would have noticed that before if it was happening. any advice you guys can give? Is this little see-through area always supposed to have coolant running through it?
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slangblades
Junior Member
Posts: 91
Likes: 19
Registered: Jun 8, 2020 19:20:50 GMT -7
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Post by slangblades on Aug 24, 2020 14:44:30 GMT -7
I just drove it again right now to see if I could get some coolant running through "coolant reservoir cap" and there still doesn't seem to be anything running through there. The coolant level still says it is at the top of the full line when I stand up bike up straight. My bike reached a temperature of 246 by the time I parked. again it is not very hot outside.
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Post by willl84 on Aug 25, 2020 5:59:40 GMT -7
You might not see fluid moving in the bottle itself, that's typically just an overflow reservoir - it'll fill when hot and as the engine cools and coolant contracts it'll go back into the engine slightly. You'd have to pull the radiator cap itself off and see if there's flow (only do this when cold!)
Maybe your thermostat is stuck shut and it's not letting hot coolant into the radiator? Is your fan running? If your fan isn't turning on that'll definitely let it get hot.
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mrcdharwood
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Post by mrcdharwood on Aug 25, 2020 6:03:11 GMT -7
A common fault can be air in the coolant system if it's been changed recently or was very low and topped up. There's a bleed screw on the pump to help bleed this. Also squeeze and pump the rubber coolant hoses to help burp the system.another issue is the fans or one of them at least not coming on. A cause of this can be the wiring that passes over the radiator. It site very close to the fan and I've had it twice where the cables run stopping the fan spinning. The fans should spin by hand when flicked.
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Post by RedAndBlack on Aug 25, 2020 7:29:00 GMT -7
+1 that you have air in your coolant system. An alternative to the bleed screw is, ON A COLD BIKE, take your radiator cap off and start the bike. As the coolant heats up and expands, squeeze the coolant hoses in different places to help burp the system (as mentioned above). You could also tilt the bike back and forth to make sure air doesn't get caught in the opposite corner of the radiator. When the coolant reaches the top of the cap, replace the radiator cap. It's ok if a little spills, just clean it up.
Also, I find that the FULL line on the reservoir is too full. On a hot day really pushing the bike, you may push coolant out of the overflow. I mean you don't need to do anything about it, but just be aware. No harm done to anything, but I see it at the track all the time when people start freaking out that their loosing coolant out of the overflow for having reservoirs too full.
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Post by willl84 on Aug 25, 2020 11:11:09 GMT -7
If there's air in the system the question is WHY? There should never be air in the system unless it's been drained for whatever reason. OP hasn't mentioned if it was drained for anything. If it ran low and then the OP filled it back up it's possible but then the question is "where did the coolant go?"
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slangblades
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Posts: 91
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Post by slangblades on Aug 25, 2020 22:42:56 GMT -7
If there's air in the system the question is WHY? There should never be air in the system unless it's been drained for whatever reason. OP hasn't mentioned if it was drained for anything. If it ran low and then the OP filled it back up it's possible but then the question is "where did the coolant go?" It's a new bike and I don't know if maybe the dealership filled it up before I brought it home. I did once open up the radiator cap when the bike was cold, it was filled to the top of the cap. Ive never added any myself.
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slangblades
Junior Member
Posts: 91
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Registered: Jun 8, 2020 19:20:50 GMT -7
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Post by slangblades on Aug 25, 2020 22:48:34 GMT -7
+1 that you have air in your coolant system. An alternative to the bleed screw is, ON A COLD BIKE, take your radiator cap off and start the bike. As the coolant heats up and expands, squeeze the coolant hoses in different places to help burp the system (as mentioned above). You could also tilt the bike back and forth to make sure air doesn't get caught in the opposite corner of the radiator. When the coolant reaches the top of the cap, replace the radiator cap. It's ok if a little spills, just clean it up.
Also, I find that the FULL line on the reservoir is too full. On a hot day really pushing the bike, you may push coolant out of the overflow. I mean you don't need to do anything about it, but just be aware. No harm done to anything, but I see it at the track all the time when people start freaking out that their loosing coolant out of the overflow for having reservoirs too full.
I will try this tomorrow. Pretty much I should expect to see an air bubble come out of where the radiator cap goes? Are the temps i mentioned possibly damaging the engine?
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Post by RedAndBlack on Aug 26, 2020 16:39:27 GMT -7
+1 that you have air in your coolant system. An alternative to the bleed screw is, ON A COLD BIKE, take your radiator cap off and start the bike. As the coolant heats up and expands, squeeze the coolant hoses in different places to help burp the system (as mentioned above). You could also tilt the bike back and forth to make sure air doesn't get caught in the opposite corner of the radiator. When the coolant reaches the top of the cap, replace the radiator cap. It's ok if a little spills, just clean it up.
Also, I find that the FULL line on the reservoir is too full. On a hot day really pushing the bike, you may push coolant out of the overflow. I mean you don't need to do anything about it, but just be aware. No harm done to anything, but I see it at the track all the time when people start freaking out that their loosing coolant out of the overflow for having reservoirs too full.
I will try this tomorrow. Pretty much I should expect to see an air bubble come out of where the radiator cap goes? Are the temps i mentioned possibly damaging the engine? No. But they seem a little high for normal operation. They are not abnormal for hot summer days getting stuck in traffic or sitting at traffic lights though. You seemed to suggest you're seeing higher temps even on cooler days. Also, when you turn the bike off the fan stops running and you'll see temperatures shoot up usually 10 degrees. So be aware of that in case you've been viewing the temps with the bike off after riding.
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Post by RedAndBlack on Aug 26, 2020 16:41:54 GMT -7
If there's air in the system the question is WHY? There should never be air in the system unless it's been drained for whatever reason. OP hasn't mentioned if it was drained for anything. If it ran low and then the OP filled it back up it's possible but then the question is "where did the coolant go?" That's a very good point.
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slangblades
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Registered: Jun 8, 2020 19:20:50 GMT -7
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Post by slangblades on Aug 27, 2020 1:52:34 GMT -7
I will try this tomorrow. Pretty much I should expect to see an air bubble come out of where the radiator cap goes? Are the temps i mentioned possibly damaging the engine? No. But they seem a little high for normal operation. They are not abnormal for hot summer days getting stuck in traffic or sitting at traffic lights though. You seemed to suggest you're seeing higher temps even on cooler days. Also, when you turn the bike off the fan stops running and you'll see temperatures shoot up usually 10 degrees. So be aware of that in case you've been viewing the temps with the bike off after riding. Yes im seeing this temperature even on cooler days. I guess I didn't take that into account that the bike does get a little hotter once it's not moving. The temperatures I'm reporting are from when ive been off the bike for a few minutes.
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Kameo
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Post by Kameo on Aug 27, 2020 3:14:05 GMT -7
Even on a ver warm day my bike doesn’t climb over 110 degrees Celsius or 230 far when idling and going nowhere. I’ve had my fair share of issues in this space and now i’ve learnt to keep my coolant levels on the lower side as @redandblank already mentioned it will spill out the overflow hose when it’s really hot. And to the unexpecting rider it might appear to them their bikes leaking coolant when really it’s expelling it.
I had one of my fans play up and it stopped functioning at full capacity. Only then did my bike climb over 110 degrees Celsius. This was replaced under warranty in the bikes second year.
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slangblades
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Registered: Jun 8, 2020 19:20:50 GMT -7
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Post by slangblades on Aug 28, 2020 11:32:45 GMT -7
So just to clarify.. This spot right here.. Should I be seeing coolant running through here at all times? OR, does coolant only pass through this section if it expanded too much and is letting some out of the overflow hose?
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