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What oil is used in a 1974 Sportster?In: Motorcycles |
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Answer
20W50 designed for an air cooled engine would be the norm. However, straight 50W or even 60W would be OK in warmer temps.
First answer by BigMrSteve. Last edit by BigMrSteve. Contributor trust: 194 [recommend contributor]. Question popularity: 5 [recommend question]





