jonnyc21 Posted January 15, 2018 Report Share Posted January 15, 2018 7 hours ago, bonito said: I have installed the Jitsie mix screw, and since I tighten the carb it has been running great. What a pita to get to the carb, holy cow what an ordeal to get to it. Only thing I wish was a bit more grunt from the exhaust and maybe a wee bit more power. Need to look for a muffler, hope they still make the Bosi titanium one. Dose yours have the race cam? I heard that and something like the Bosi make the 300 4T output a lot more power. Quote Link to comment Share on other sites More sharing options...
bonito Posted January 16, 2018 Author Report Share Posted January 16, 2018 3 hours ago, jonnyc21 said: Dose yours have the race cam? I heard that and something like the Bosi make the 300 4T output a lot more power. Don’t think it has the race cam. Bike looks pretty much stock. It’s super quite so a bit more grunt would be nice. Quote Link to comment Share on other sites More sharing options...
carlos Posted January 16, 2018 Report Share Posted January 16, 2018 I found that the needle position made a big difference to the low end grunt. Mine run's best with the clip almost to the bottom of the needle. (#130 Main jet) Quote Link to comment Share on other sites More sharing options...
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