dougyzf Posted June 20, 2010 Report Share Posted June 20, 2010 hi, just bought my first 2 stroke again in over 10 years 290 beta evo,whats the best fuel mix ratio? if i fill a 5 litre can how much 2 stroke oil do i put in? Regards Doug. Link to comment Share on other sites More sharing options...
cabby Posted June 20, 2010 Report Share Posted June 20, 2010 500 mil Link to comment Share on other sites More sharing options...
richt Posted June 20, 2010 Report Share Posted June 20, 2010 500 mil That's works out at 10:1 Link to comment Share on other sites More sharing options...
rev3 Posted June 20, 2010 Report Share Posted June 20, 2010 I've ran all my bikes with 15ml per litre using semi synthetic never had a problem in 25 years. Link to comment Share on other sites More sharing options...
dougyzf Posted June 20, 2010 Author Report Share Posted June 20, 2010 thats great id worked it out to be that!!!! just needed re-assurance. Link to comment Share on other sites More sharing options...
hrcmonty Posted June 20, 2010 Report Share Posted June 20, 2010 500 Ml!!!!!! Start at 80:1, so 63ml ish. If you want to play with other ratios, just dived 5000ml (5 litres of petrol) by your ratio. So 70:1 = 5000 divded by 70 = 71 mls 80:1 = 5000 divded by 80 = 62.5 (63mls) and so on. Don't think you'll go wromg running 80:1 though, and it's worth running higher octane fuel. Shell optimax is higher than BP Ultimate. Link to comment Share on other sites More sharing options...
tom6n2 Posted June 20, 2010 Report Share Posted June 20, 2010 sorry to high jack this thread.. can i ask if i fill a jerry can with 20 ltrs at 80:1 i will need 250ml of 2 stroke? and also will the mix last 2-3 week mixed or will it all settle? cheers tom Link to comment Share on other sites More sharing options...
basher Posted June 20, 2010 Report Share Posted June 20, 2010 all the bikes ive had have been 50:1 which is 100ml per 5litres. Link to comment Share on other sites More sharing options...
petejohn Posted June 20, 2010 Report Share Posted June 20, 2010 Hi At the top of trials central page click on the other box. the thingy drops down click on technical , Ron Milams collection comes up. Go to Engine oils and fuel ratios . All will be reveald about ratios that even a idiot like me can understand. Then go to Google and search 2 stroke fuel ratio and I got a chart with how much oil per ltr per 5 ltr per 10 ltr for most ratios. I think it may be from the Hell team website in Aussie. Now I am a expert Pete Link to comment Share on other sites More sharing options...
doctorbeta Posted June 24, 2010 Report Share Posted June 24, 2010 All this about ratios depends on the oil you are using. If my memory serves me right Beta recommend 4% for semi and 1.5% for fully synthetic so thats 75ml per 5 litres on fully synth. Link to comment Share on other sites More sharing options...
bigfoot Posted June 24, 2010 Report Share Posted June 24, 2010 Use this chart. I have always run my gassers at 75:1 1 Link to comment Share on other sites More sharing options...
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