ok so I posted the other week and checked the oil flow and tps reading and the engine stopped smoking but its still not right. It is burning 7 more gallons an hour than the other engine at cruse it does not like to idol and is having trouble getting up to speeds over 4100 rpms. I think it is the o2 sensor. What do you guys think? If it is, is there a way gettting around using the 300 one the yamaha wants to sell you?
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