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Harley Davidson Forums
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20w-50 Synthetic OK in Primary?
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20w-50 Synthetic OK in Primary?
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04-19-2020, 12:08 PM
ses
Cruiser
Join Date: Mar 2010
Location: Moorhead MN
Posts: 159
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I've been using Amsoil 20/50 in all three holes.. Built my 88" to a 103" at 93k miles last year and still running the original clutch disks with 102k miles.
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