Reply To: Premix?? › Forums › Technical › Two Stroke: Help needed › Premix?? › Reply To: Premix?? February 23, 2015 at 9:27 pm #4945 Markus EnsslinParticipant hi – 1:50 on mineral 2stroke-oil will do… i run a 1969 250 engine on 1:50 mineral, too. no problems whatsoever… g max ~:)
