Yamaha YZF-R6 smoke in the airfilter box

Reason why exhaust gas throught the breather goes to airfilter box. Motorcycle not working properly , no power . It is common problem of this generation Yamaha YZF R6 1999 2002 model year.
#r6 #yamaha #yamahar6 #motorcycle

[@LygerTheCLaw]

never raced, garage kept, low miles, never downed.

[@khadijahzaini3137]

It call "reverse exhaust gas system"... Right..?