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Coolant leaking from the reservoir cap

Old Jun 24, 2009 | 07:40 PM
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Default Coolant leaking from the reservoir cap

I have noticed that when my bike gets a little hotter than normal (200+) like when I am in stop and go traffic, there is a slight leak and it looks like it is coming out from underneath the reservoir cap. its not alot, just enough to make a line down the side and put a drop underneath it on the front part of the swingarm. There are just a few drops and it isnt enough to drip on the ground since the drops land on the swingarm.

Could the reservoir be too full? Like I said it isnt alot...but I would like it to stop. I just got the bike this spring and I am just noticing it now that the summer temps are here.
 
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Old Jun 25, 2009 | 07:40 AM
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200 - 240F range is normal, depends on how much stop-and-go traffic you ride in.

The maximum level in the reservoir is around one-third of its volume, that is, it should be about one-third full.
 
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Old Jun 25, 2009 | 08:45 AM
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Originally Posted by orags
200 - 240F range is normal, depends on how much stop-and-go traffic you ride in.

The maximum level in the reservoir is around one-third of its volume, that is, it should be about one-third full.
I know that the bike isnt overheating, I just meant when it gets hotter than regular riding temps (170-185). But the leak bothers me. I think the reservoir may be over full...would that cause the cap to leak?
 
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Old Jun 25, 2009 | 09:01 AM
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would that cause the cap to leak?
Yes it would. As the coolant heats up, it expands. If you've got too much coolant in there, it will leak; no big deal. Eventually it will stop, unless you want to drain some out of it.
 
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Old Jun 25, 2009 | 09:40 AM
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Look at the lines indicating the appropriate level and on the reservoir when the bike is not warmed up and see where your level rests. Like orags said, it's about 1/3 to 1/2 full for the appropriate level.
 
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