Got hands on a 1980. KZ1000 MKII.
Squirrels heaven. Air box (multi level housing)
Acorns exhaust system.
First start. Removed air box. And they got to screen and stopped
But as the engine started to roar. !!!! The poor car in back got
Sandblasted by acorns.
Digging in to the dirt of ages.
Spinning the rear tire produces a shower of rubber orings.
40 years and not a single soft piece of rubber.