Filtre et boîte à air testés dans la poussière

Un essai dans de la poussière fine. Il semble que la boîte à air soit étanche. Bonne nouvelle.

I sat in the dust cloud of other bikes for around 30mins, that fine dust that hangs there stuff.
I thought well it the air cleaner system if crap i may as well test it on Honda's bike and not mine.

No dust inside the air box at all, i used a white tissue wiping the inside on the airbox.

Not one little bit of dis-coloration at all.

The two different colors are from oil.