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The motorcycle-specific oil stuff in my opinion is just a bunch of hype, designed to line the pocketbooks of those who sell the stuff. It's not any better, and in some cases worse, than modern quality automotive oil.
For my liquid-cooled wing I use quality automotive oil. When I had an air-cooled bike I used synthetic because the air cooled bike ran hotter and cooler depending on conditions.
Most important is to change the oil often, synthetic or not.
The motorcycle-specific oil stuff in my opinion is just a bunch of hype, designed to line the pocketbooks of those who sell the stuff. It's not any better, and in some cases worse, than modern quality automotive oil.
For my liquid-cooled wing I use quality automotive oil. When I had an air-cooled bike I used synthetic because the air cooled bike ran hotter and cooler depending on conditions.
Most important is to change the oil often, synthetic or not.