Pat B wrote on 12/31/69 at 16:00:08:Yes, if you are using sitting on the bike as a reference. When on the kickstand it is on the low side of the engine case. There are 2 other 17mm headed bolts on the other side, but I don't know what they do.
I'll tell you:
The one facing forward ( when sitting on the bike)

is for the connection of a oilpressure gauge. The one pointing down ( when the bike is on the black rubbers)

is for draining the oilfilter cavity. Never used because it's almost unreacheable.
Greetz
Kropatchek