Engine Coolant Issue - TwoWheelForum: Motorcycle and Sportbike forums
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post #1 of 3 (permalink) Old 05-17-2008, 04:43 AM Thread Starter
Join Date: May 2008
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Engine Coolant Issue

Hi Guys, I'm new to the forum and this is my first post - hello to everyone. I'm driving a 2000 Kawasaki ZX12R and I'm really happy with it.

Recently I noticed that my engine coolant looks is a milky green color (as if someone has added a glasss of milk to the original flourescent green coolant). I was initially suspicious of the head-gaskett.

Hence, I changed the oil to see what it was like. However, it was pure black and looked normal to me - I didn't notice anything that would suggest that the coolant has gotten into the oil.

However, a month or so ago I noticed that my radiator had a slight leak in it. So I completely drained it and replaced the coolant, but added 3/4 of a bottle of "BarsLeaks - Stop Leak" radiator sealer. This stuff is an oily substance with some solid material at the bottom (a bit like rat pellets). This sealed the leak, but I'm hoping that this stuff is the reason that my coolant is milky, rather than the head gasket.

What do you think guys?
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post #2 of 3 (permalink) Old 05-17-2008, 12:57 PM
Join Date: Nov 2007
Posts: 455
Aluminum radiators are famous for a white sediment that will collect in the bottom of your coolant overflow bottle......I'm guessing that this is what U see. It's completely normal and will not hamper the cooling ability of the bike at all.
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post #3 of 3 (permalink) Old 05-17-2008, 01:38 PM
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Join Date: Jul 2004
Location: SE Michigan
Posts: 38,916
warp is right and putting the stop leak was a BAD idea! Reflush it! Further check your owners manual on what to use. But I'm also guessing you CAN'T use anything but distilled water when flushing or mixing your antifreeze

aka Gas Man

Was: 2002 Kaw ZX-9R

is me till the
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