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No More Overheating

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Tried all coolant types to help reduce overheating when riding tight trails with my 99 YZ400F. Last year I followed a suggestion from someone here, and bought the WR overflow bottle from MRCycles for less than $15. I have not had to add any fluid since I did that last summer. Sure, it gets hot sometimes and the overflow fills a bit, but running fluid to the bottle and back cools it a lot. Not losing fluid is the main thing. As you lose fluid over the couse of a ride, it has less and less to cool with. I highly recommend this easy mod. Just make sure you mount it on the outside of the frame, and grind the side cover a bit. Inside the frame, and the tire rubs on it.

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I'm thinking about doing that. How about some pic's?

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Sounds interesting for those woods riders out their, picture would be nice to see though.

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