The best oil
for your BSA B40 Star (1960 - 1965)

Engine

	Best choice M4 20W‑50 4-Stroke Mineral Motor Oil
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Category	Specific
Quality	Mineral
Use	Road
Specificities	For vintage motorcycles
Standards	JASO MA2/ API SJ

The best for BSA B40 Star (1960 - 1965), is also