bsmallinson Posted May 19, 2008 Report Share Posted May 19, 2008 Alright Chaps, My mate has just recently aquired what i belive to be a late 80's aprillia 280 (air cooled). as i am not familiar with these bike's myself could any of you knowledgable guys tell me what you use in yours. This may sound dumb but i am pretty new to the scene and a little rusty on this area myself all i know is what quantity to put into my montesa so if you could advise on ratio and how much oil that equates to per litre of fuel it would be much appreciated. Kind Regards, Ben Mallinson. Quote Link to comment Share on other sites More sharing options...
t-shock 250 Posted May 20, 2008 Report Share Posted May 20, 2008 Originally, these were advised to run at 50:1 semi-synthetic. I run these engines at 55:1 fully synthetic without any problems. A handy chart with measure can be found here: http://www.sidecartrials.com/two-stroke.htm Quote Link to comment Share on other sites More sharing options...
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