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IH: Oiling & Lubrication - Sub-04K
Pics and Information on 1982 Sportster Oil Tanks
Click on a pic to enlarge:
The 1982 oil tank is the last year tank with a drain plug. Future year tanks had a drain hose plugged off elsewhere.
It had a different, 2-piece chain guard so you could remove the front part to get at the drain plug. 1)
Starting in 82, the starter relay was attached to the rear of the oil tank with a #10-24 x 3/8“ hex head screw and star washer.