125-200cc PLEASE HELP...bike bogging

can any1 help me.... it a husqvarna sms125 08 reg
it starts fine and ticks over fine.
but when i pull off n start driving it bogs n doesn't even reach the power valve.. through 1st, 2nd, 3rd, fourth.. reachs about 30-35mph n kicks in n goes fine.. but when i slow down it goes all boggy again.. n sumtimes ECU 6 comes on the digital dash... but il stop turn the ignition off. wait 10secs, turn bk on n it goes off..... can any1 plz help..

hah, sounds like the same issue im encountering this moment and driving me nuts..im riding sms 08 as well and the mid range is boggy and the valve doesnt open easily as it shuld normally as it hits the mid range and only opens in the very high range..but i didnt get any ecu warning..

If you look through the pics of owners bikes u will see some other sms owners bikes - try private messaging them
also been some posts recently on this try contacting them

If its cold in your location chances are its too lean
try raising the height of the needle one or two notches

its driving me mad 2

sum 1 else has told me it might be summit in my carb blockin my pilot jet..... some else has said it might be my power valve..... n i dont hav a clue... is there any 1 else that can help...
n wots ecu 6 mean...
it says in the owners manual that ecu 6 is the exhaust valve and carburetor potentionmeters.....n wot the hell am them!!!

thanks

thanks for writtin bk to me... if u hav any more info plz say... as im still havin trouble

i have remedied my problem apparently the carb tuning the air screw has got haywire so my mech has actually tuned it proper so everythings good,hope your problem can be solve soon monkey,im new to this as well..cheers