Settings needed for mixture screws

go at a service

you can run the standard plug. no need to change

hi this might help,general rule of thumb on a two stroke is turn the screw all the way in untill it seats,then back the screw out 2-2 1/2 turns,this should enable the bike to start,once you have the bike running,set the idle to about 1500-2000rpm.turn the mixture screw in untill the engine starts to labour,then turn the screw out once again untill the engine starts to labour,what you are looking for is the "sweet spot"between these two labour points,this "sweet spot"will be where the engine revs reach their maximum,you will probably now have to back the idle screw back to a sensible idle,thats all there is to it..hope this helps...cheers

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ok buddy on carb will be a screw try fiddling with this screw till it runs ok also try changing the spark plug underneith the tank you can access this screw from the right side just on carb next to the idle screw black big one with a long flat head screw driver get back to me if no difference

You have upset the air fuel flow by changing the exhaust, I would try placing a piece of paper over the air filter to change the intake first, to see what happens, then if that doesn't work, you will need to rejet, and sometimes the factory setting won't work, so you will need an adj jet, Find an aftermarket for your carb I think dyno tune has one. They work great. I hope this helps.