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what ration oil/petrol?

I've just got a McCulloch TM250 strimmer, What ratio of 2 stroke oil to petrol should I use? Thankyou
Roberta, May 2012
DO NOT FOLLOW GHOSTs ADVICE.

It depends on the oil you use.

As a general guide mix

Mineral oil at 25:1
Semi-synthetic oil at 32:1
Synthetic oil at 50:1

Richard, June 2012
5 parts petrol to 1 part oil

GHOST, May 2012
link Click here to see other fixes for McCulloch TM250.