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Message: [QUOTE="trickin30, post: 997034, member: 65671"] [b]Jetting Help[/b] I understand about plug readings and jetting leaner or richer but I can't tell which sounds the engine makes are rich or lean. I have an 05' CR125 with the V-Force reeds, FMF fatty, Shorty silencer, Power Now and Power Now Plus. I know the jetting is rich as evidenced by plug fouling and oily plugs but I could use some help. Stock is a 55 pilot and 430 main. I have a 45 pilot and 400 main installed. I lowered the needle by raising the clip one position. I also have a fresh Wiseco piston and ring. The bike starts easily and revs ok until I give it full throttle at which point it starts to load up and die. The plug always comes out oily. Should I go leaner on the main? I already went three sizes smaller. I am just worried about burning up my engine. Any help you guys could provide would be awesome. Thanks [/QUOTE]