I don't see any Exxon Valdez oil slick flowing towards your motorcycles in your pic.
If it were me, and the leaks are not extreme, I'd keep driving it until I was ready to rebuild the engine. Just check the oil every time you put gas in it.
It can be a miserable job replacing either on of those seals while the engine is in the truck. You may be able to do that, but then you have to put the oil pan back on and hope that it doesn't leak. They can be a bear too.
I am able to do all of these things successfully, but I am telling you with reverence, I would rather not.
