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To run in a 2 stroke isn't like the scare stories you hear,just go easy for so long,ie: not full throttle!Basically just quarter to half throttle for at least an hour or 2 prob not even as long.there are other ways like riding for 20 mins,stopping to let the piston cool down,then starting again then do the same but I have read that because modern bikes are made so well you only have to run them in for a hour or two.Its all to do with how the piston is formed,back in the day,they were rough so you had to be careful but nowadays the piston is flawless but heat treatment is the way I would go.your first mixture should be 32:1 or near

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Q: How long do you have to run in a two stroke motocross engine for?
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