should I be worried - ZX Forums
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post #1 of 2 (permalink) Old 04-21-2014, 07:11 AM Thread Starter
Joined: Apr 2012
From: Uk

Posts: 7
should I be worried

OK so refilled my coolant the other day rode bike and was fine. Have just redone valves to wanted to take for a long ride rode about 50 miles and no sign of overheating or loss of power.
I pulled up on a hill and the fan kicked in and the coolant reservoir overflowed. When I refilled cooling system stupidly filled the rad and the bottle so must have to much coolant

Refilled reservoir and rode about 60 miles home no issues with overheating etc.
Let it get to temp and fan kicked in again with no spillage.
So was looking at the coolant tank and when I rev the bike hard (redline) the coolant rises slightly then drops back to normal no sign of oil in water or vise versa.

Is it normal for the level to slightly rise then drop on revving is it just the water pump increasing/decreasing.
Have been worried it was a headgasket.
What symptoms if it was.

Thanks guys
Kneedown is offline  
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post #2 of 2 (permalink) Old 04-21-2014, 07:24 AM
Senior Member
Joined: Jun 2010
From: Westminster, CO
I Ride: I used to have a brand new 1995 Lime Green ZX9r but I had to sell it. Between bikes now.

Posts: 832
make sure the radiator cap is on tight. I made that mistake once, cap looked tight but was only engaged on one side. It looked ok, but it wasn't.

You may have an air bubble somewhere. On my bike down by the water pump there is a bleed nipple. Sometimes air gets trapped in the waterpump causing issues with water flow.

It may be a pig.....but it's my pig!
Rick S. is offline  
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