The engine wants 20w50 and or 10w40, temperature dependent. The clutch/primary/transmission wants 20w50. The clutch,etc, must be motorcycle, wet clutch compatible oil. The engine should be motorcycle oil or diesel compatible oil. Most people use the same oil in both. Such as Amsoil motorcycle oil. Mobile one motorcycle oil, or the Harley-Davidson oil.
Three quarts in engine, one quart in clutch.
Order an owners manual, and also a factory service manual, you'll be glad you did. Both can be had at a dealer.
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