The 883 Sportster takes just under 3 quarts of oil
what type of oil for a 1993 Harley Sportster 883
20/50
Sae20W50
1 quart. Make sure you drain that old oil first!
20w50 motorcycle oil
1 quart of oil should do the trick
Under the motor
amsoil 10w 30 the best money can buy
SAE 20w50 100% synthetic oil.
Three
Should be right at 3 quarts
HD makes a weight of oil they call "Sport-Trans" that is made for use in the Sportster primary. Or, you can use any 30W non-detergent oil.