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critter

coolant overflow removal

6 posts in this topic

I just ordered a aluminum sub frame and was wondering if there are any issues with leaving the coolant resevoir off, other than having to check the level more often.

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I agree with x2,

Mine has come in handy several times on hot days.

The only time I would say its a good idea to remove it is if you dont plan on getting more than 2 miles from the truck (coolant).

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Have you ever noticed it overflowing in the past? Are you jetted on the rich side or lean side? How do you use the bike? And a tip for all, only fill your radiator 3/8" over the fins inside. That leaves room for expanding liquid, and if your spew, then you are running hot and need a overflow tank. Mine is removed on my bike and it has not overflowed yet, I do carry a 70 oz. camel back if need and do ride faster areas like the So. Cal desert, and am jetted spot on.

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I just got the bike and rode it only a handfull of times but no overflow to my knowledge. I'm converting to a YZ for MX racing.

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Phile, I agree that if you can keep moving, you probably won't overheat in any temperature. First time mine boiled was when a DRZ guy popped his shoulder on a long uphill singe track. After waiting for about 2 minutes for the trail to clear, I killed the engine and it boiled fiercly. It was about 98 degrees out.

Basically I have found that if I keep moving, even slowly, it will not overheat. But on a hot day, it takes about 1 minute of idle. Now if I need to stop and wait for the yellow and red guys :), I shut off the engine. Takes one kick after a normal shut-off.

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