answersLogoWhite

0


Best Answer

20W50 designed for an air cooled engine would be the norm. However, straight 50W or even 60W would be OK in warmer temps.

User Avatar

Wiki User

16y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What oil is used in a 1974 Sportster?
Write your answer...
Submit
Still have questions?
magnify glass
imp