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Old 09-22-2010, 07:40 AM   #12
TYEster
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Join Date: Dec 2008
Location: TX
Moto: '12 KX450F / 08 YZ250F #512 / 07 KX65 #1
Posts: 1,429
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Quote:
Originally Posted by Akilldema View Post
I guess what happens is the radiator creates a vacuum when it cools back down and pulls the coolant back in. Gonna buy some engine ice tomorrow and get a bigger catch can. I got the redbull one you posted above, but that thing ain't gonna catch much coolant.. had my buddy pic one up on the way over.
Well the catch can's are so you can run your bike at the track and not spill a single drop. Typical and required for most any track racing. The UFO one goes on the front for the radiator and the Redbull is for any gas/oil drops that could come from the carb. You don't need a big catch for that because that's simply there to see if anythings spewing out of that which could mean a potential motor issue.

Ideally NONE should ever be used in a perfect world so as long as your motor is tip top and you don't let the bike overheat, you'd never need one.
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