Question about 2005 Harley Davidson FLSTC - FLSTCI Heritage Softail Classic
Change from conventional 20W50 oil to synthetic oil on 2005 Harley softail?
Not a problem, I've done it on my '94 model Wide Glide. Your bike probably came from the factory with synthetic oil in it. Harley developed their Syn3 20W50 oil and the bikes are shipped with the stuff in all three compartments, the engine, the primary, and the transmission. Just check the manufactures website to make sure whatever oil you decide to use meets Harley's specs.
Posted on Jul 16, 2010
Testimonial: "Thanks, but what about the oil in the cases?"
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Posted on Jan 02, 2017
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