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View Full Version : YFZ coolant/oil problem



2002TRX400ex
07-15-2010, 06:47 PM
I have a 2006 YFZ 450 today i noticed that there was no oil in the tank or the motor after i saw a small spot on the floor i looked more at it. I noticed my coolant that used to be green is now a purple color, i know that when oil and coolant mix in the motor it turns tan or brownish color, but it seems like the oil and coolant mixed but didnt go into the motor(stayed in the coolant passages). i have never seen this before....just wondering if anyone has heard anything like this before.....or what to look for as i start tearing into it was just thinking about rebuilding the top end and replacing all the seals and gaskets