Brian Posted March 28, 2008 Share Posted March 28, 2008 hehe i can answer this one When i had my little 50HP two stroke outboard, i thought i would buy the best synthetic motor bike 2 stroke oil on the market. It had a holding tank on the otboard, so there was no pre mixing. It used to get through loads of oil. When i had it serviced, the service guy said that you must use Marine grade 2 stroke oil as its thicker than the synthetic motor bike oil. THis was why i was getting through loads of oil. So if your outboard mixes it automaticly, then use the marine outbaord oil ( i found it cheaper than motorbike oil ) If you pre mix it in the petrol tank then any 2 stroke oil will be fine. Quote Link to comment Share on other sites More sharing options...
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