Posted 10 years ago
aghcollect
(2304 items)
Circa 1960 advertisement information pamphlet for Harley-Davidson Genuine Motorcycle Oil - size is 2 7/8" wide by 4 5/8" high and opens to a total of 8 pages (front & back shown) explaining special oil ingredients, sealing qualities, grade viscosity vs. temperature, and lubricating functions.
Grades - Light, Heavy, Heavy-Summer, Heavy-Winter, Special 2-cycle 165