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Mend > Motorcycles

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what is this purpose?

coolant expansion bottle - Yamaha dtr / dtre 125



widdow420
October 2015


Need to mend your Yamaha 125 motorcycle?

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Answers - mend, repair, fix


Some were air cooled and some liquid cooled - with a radiator.

The laws of physics dictate that you can compress a gas but you cant compress a liquid - so if the coolant gets hot and expands it will need a place to overflow to.

This is very probably the coolant expansion bottle you mention.

I know nothing of motorcycles - so I could easily be wrong.

Good Luck...
October 2015

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