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Author Topic: Coolant problem  (Read 682 times)

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Coolant problem
« on: March 22, 2017, 09:07:20 pm »
Ok ..so my coolant overflow when i ride it hard spits out all the coolant from radiator.  Hose from pump to radiator is pressurized . remove radiator cap water appears to be flowing. Filled up radiator 20 minute ride overflow spits it all out. Spark plug normal. 34 to 38 motul oil mix. Oh and radiator did appear cool, though cant say completely for sure. But stumped. Already been to shop for new top end twice on less then few hours. dont believe can trust them yet nowhere to go. Wife aint gonna stand for much more.......HELP!!!
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Re: Coolant problem
« Reply #1 on: March 22, 2017, 09:43:48 pm »
Sounds like the head gasket has a slight leak or there is a crack in the head.
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Re: Coolant problem
« Reply #2 on: March 24, 2017, 07:32:55 am »
Quote from: MotorGeek on March 22, 2017, 09:43:48 pm
Sounds like the head gasket has a slight leak or there is a crack in the head.

X2

When you took the cap off, did you see bubbles?
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Re: Coolant problem
« Reply #3 on: March 24, 2017, 08:03:02 am »
Look at the radiator where the rubber gasket on the radiator cap seals.  This sealing surface will leak when the surface has pits or scratches. 

Remove the radiator cap and look at the entrance to the tubes that are visible for blockage.  What you see through this small window is a good indication of what the rest of the tubes look like.
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