Mwl Posted March 6, 2023 Report Share Posted March 6, 2023 I'm changing the pilot jet, bike came with a 45, the plug oils up,so tried a 40, it ran lumpy till I got on main jet, put in a 38, now looking at a 35. Is it normal to have this size pilot jet,??? With the 40 it pulled the front wheel up off the throttle, but lumpy. New plug in it, bpr7, also tried bpr5, still oiling up, have repacked exhaust and cleaned it out, Quote Link to comment Share on other sites More sharing options...
trailmeisterjoe Posted March 7, 2023 Report Share Posted March 7, 2023 If by "lumpy" you mean running "rich", then move the clip on the carb needle up one and see if that remedies the issue. Joe Quote Link to comment Share on other sites More sharing options...
Mwl Posted May 3, 2023 Author Report Share Posted May 3, 2023 Joe. I have done what you said.moved needle clip. Now back to full power.with 45 pilot.thanks for that. I was going off at a tangent.lol 1 Quote Link to comment Share on other sites More sharing options...
trailmeisterjoe Posted May 12, 2023 Report Share Posted May 12, 2023 On 5/3/2023 at 12:36 PM, Mwl said: Joe. I have done what you said.moved needle clip. Now back to full power.with 45 pilot.thanks for that. I was going off at a tangent.lol Awesome. Quote Link to comment Share on other sites More sharing options...
Mwl Posted May 18, 2023 Author Report Share Posted May 18, 2023 (edited) Took head off. Sprayed with oil. It disappeared past rings. Today have changed piston and rings.took a chance with b piston. Compression much higher. Piston underside and crank was covered in oil. Think that's why I thought it was running rich.will change oil seals this weekend. Then it will be like new.lol. Piston looks like original from 2011. Can't wait to take it out now. Edited May 18, 2023 by Mwl 1 Quote Link to comment Share on other sites More sharing options...
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