Yamaha DT 250 Autolube oil pump explanation, overview, adjustment, and more.

This is a rather long-winded explanation of the Yamaha autolube pump used on the 1974 - 1976 DT250, DT360, and DT400 motorcycles. This pump was used on MANY other Yamaha models, but the specs listed in this video (such as output volume) may not be correct for other models. Still, the operation of the pump should be the same.
0:00 - Intro
3:25 - Why Use Autolube?
9:39 - How They Work
17:29 - Pint-to-Dot Adjustment
22:34 - Measuring gap tolerance
25:20 - Measuring Oil Output