Quote:
Originally Posted by Troy F collins
thus allowing them to eliminate the catch tank
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The " catch tank" is not really for overflow. It is a place for expanded coolant to collect.
My '07 MC 250 did not come with the expansion tank, so I run my coolant level a little lower to allow for fluid expansion.
A catch tank is vented to the atmosphere.
The higher pressure radiator cap raises the boiling point of the coolant. So, you have a lower chance of boiling the bike over.