Ok to make a long story short, at 5ooo RPM my bike looses all power its like my bike starts to stall. What it ran like a champ before I started to do a mod. the mod st plugging up the reed valve. What I did was where the hoses go from the cylinder and where the vacuum hose goes I bypasses it I but a bolt in each hose and I but one in the vacuum line as well. then for the air line hose the one from the air box I but a breather filter on it. it started up fine ran good tell I hit 5000 RPM the it fell on its face. So needles to say I rehooked it all back up but now it still is doing the same thing. Please help, this is my only source of transportation.