AKheathen Posted June 12, 2009 Report Share Posted June 12, 2009 if it was jetted for winter, that is a good sign the prvious owner was on top of things enough not to harm it. if it's jetted for snowy conditions, then that is the problem, and it should smoke a bunch/foul plugs. rule of thumb is 1 main size per 25-30 degrees f. clean the carbs, and rejet for the temps. don't forget to rejet when it gets colder. no procrastinating on that part. when we mix leaner oil, it is for much larger jets. basically, when you step up pipes/filters, you're 1.5x stock jetting or greater, so you are actually getting a little more oil than stock jetting with richer oil mix. read up in the jetting section, and learn how to properly adjust your carbs. 32:1 is a confidently safe mixture, you just need a little tuning :thumbsup: Quote Link to comment Share on other sites More sharing options...
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