Your logic is flawed! there is a clutch shedding junk all the time in this oil supply unlike what you mention
service manual page 30!
clean at 300 miles, then every 6,000 miles thereafter
Most likely a plastic part with a plastic screen so I'd keep one on hand in case you find a hole in it. Probably not expensive anyway!
you unscrew a few bolts, pan drops down between frame rails, do your service & reassemble