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Discussion Starter · #1 ·
My Kodiak 400, has a overflow reservoir, for the cooling system, just like on a truck or car. When I go to the parts suppliers, none of them show the reservoir in their parts drawings. They show the reservoir and hoses, but no reservoir. Am I the only one that has an overflow reservoir, on the cooling system?
 

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2016 Yamaha Kodiak 700 base model
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Discussion Starter · #3 · (Edited)
Thanks! I only needed a new cap, and I found it! I also found the reservoir, but it was stupidly high. My Kodiak is a 2003, and the tank is still available for it. I would have thought they all used the same tank, but apparently not! What I really need, is for someone to tell me how I am getting my engine oil into the water in the overflow tank!
 

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2016 Yamaha Kodiak 700 base model
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The only place that oil could get into the coolant is in the heads or cylinders, and there has to be a crack in either for it do do that.

Usually if there is a crack water will get into the oil until the engine is fired up and then the oil pressure is greater than the coolant pressure so the oil will flow into the coolant/
 
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