Sport Rider Photos
We used Maxima's Maxum4 Extra 15W-50 ($15.49 per liter) in both the primary case and crankcase of the SR. After every track day the bike got fresh crankcase oil and a new K&N filter (complete with wrench nut for easy removal and pre-drilled for safety wire), while the primary case was changed after every two days. Note that the oil filter is all-black, specifically for Harley applications.
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