Stage 6 pro replica exhaust help!

Hello, I have a Yamaha aerox 2003, I put my stage 6 pro replica pipe on my aerox and it seems to shoot from 10/15 to 35 nicely them just stay at that speed topping out, With my kundo exhaust u have on there now I hit 50+, Any ideas?

 

rollers ether to heavy or to light
do the revs drop down at 35 or does it rev like fuck ?

 

Nah it's not the rollers it doesn't scream or anything just feels like it has no power

 

Probably need to upjet. Did you take the restrictors out the exhaust?

 

Yeah, I think I upjetted it and it was worse, Would the needle in the carb have anything to do with it?

 

Not really tbh, only the main jet controls full throttle.

Are all the restrictors out? On the stage6....

 

Yeah I had pedparts do it

 

Do you know how to do a plug chop?

 

Hmmmm I think it's just what the colour of the end of the spark plug is? I think I've forgotten lol

 

Yeah mate, put the state 6 n, go full throttle for about 8 seconds, then kill the engine and close the throttle. Take out the plug and put a picture in this thread, will make it easy to help you out.

 

Ok man will do, Thanks