Can I use Petro-Canada Duron-E 10w40 Synthetic in the Transmission/Primary hole for 2006 Harley 1200 Sportster Motorcycle? The primary calls for 946mL (1 US Quart).
I live in Nova Scotia Canada
However, in my Sportster I use Harley transmission/primary oil. It holds only around one quart, and I don't change it more than once a year, so I'm not too concerned about cost.