Man, that IT one is bad enough. But the YZ! You gotta somehow wiggle those two threaded lugs through the airbox wall on either side of the carb boot and then thread on the wingnuts to hold it there. Wingnuts?
They shoulda taken that designer out the front, given him a public flogging, whipped off his head and jammed it on a post in front of the entrance way, just so's no other clot would come up with anything so naff!
