I've been using full synthetic Lucas 0-40 and a WIX filter, I can buy it local.
https://www.oreillyauto.com/detail/...rt/luc0/11200?q=motor+oil+-+powersports&pos=7
https://www.oreillyauto.com/detail/...rt/luc0/11200?q=motor+oil+-+powersports&pos=7