Dirt /goo off air box boot and hoses
 

I have tried every I can think of to get these items back to being clean!! any idea would be helpful!
https://cimg3.ibsrv.net/gimg/www.kaw...e85e37f95a.jpg

wd40 or PB blaster works well.
Simple Green is not strong enough.
Dawn soap and hot water works as well.
Have plenty of rags available.

Have fun with the grime!

I have tried everything from, brake clean, kero, different commercial soaps. i ended up vapor blasting it!! lol
https://cimg6.ibsrv.net/gimg/www.kaw...0ccc4d2ee9.jpg

wow, looks almost new.

Yes I missed a few spots! . I firmly believe that the air filter oil has coated the inside for many years and has wept through making dust and dirt stick horribly