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ericus

Question about coolant

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Hey! When I got my bike (YZ450F -06) it was filled with green coolant, and I didn't know the ratio between water/coolant. Back then it was winter, so I ended up buying a bottle of blue ethylene glycol and flushed out the old coolant and added the new one, mixed it 50/50. And someone said to me that blue coolant and the engine with magnesium and aluminium would somehow interact in a bad way, like eating up the metal, is that true?

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No, it isn't. Either ethylene glycol (the common green coolant) or propylene glycol (sometimes blue, sometimes orange, usually labeled as low toxic or non-toxic) are fine. 50/50 is the right mix if using straight coolant with your own water, but distilled water is very much preferred.

The only one you should not use is "Dex-Cool".

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