400ex bogs and overheats please help

[dmaheryfz450]

hello guys i new to the forum i have a 400ex my problem is its bogging when you just cruise and then pinn the throttle it also seems to over heat after the first 1hr or so of riding then it wont take a quick rev and looser power im running crf450 chain air box lid removed fmf pipe keihin fcr carb 175main and 50pilot fuel screw 2 turns out and choke removed any help appreciated thanks of it oh by the way there only about 30 hrs on fresh top end it was only bored slightly .20 over or something

[JOHNDOE83]

bogging and over heating could be from being to lean.

they both are a result of a lean condition.

can you get video of the bogg?

[dmaheryfz450]

i have a youtube accont but i wont be able to make a vid all this week check it out if you want just type in race ready 400ex is the blue one with yfz shock and nacs graphics i order an air box lid so it will run rich and if it a rich bog it will be worse lol:p