GL1800Riders - View Single Post - I know better but here goes !!!!!!
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post #9 of (permalink) Old 04-19-2017, 07:18 AM
Seasoned Member
Join Date: Jul 2009
Posts: 506
Originally Posted by Red View Post
20/50 was a recommended weight for the early 1800's.
That's not really true. 10w-30 and 10w-40 is the recommended oil even for the early GL1800s. 20w-50 is listed as an alternative only when average high temp conditions are extreme. It doesn't apply to most riders.
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