If its just a top up then use water. The mix isna crucial and you can always add when back in civilisation. Unlikely you will get much below - 10 degrees over there. Coolant is coolant. Just add coolant of the same colour.

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Touratech big guard. Yamaha handlebar guards. Pivot Pegz. Yam main stand. Camel Toe. 30 mm risers. 14 tooth front sprocket. Big balls. Old and not wise.