First off - when Remington says it has to be wet clutch compatible, he's talking about the engine and DCT oil. I'm talking about the subtransmission - it doesn't need its oil to be wet clutch compatible and that's why several of us are running the HP4 with Moly in the subtrans only.
30 or 40 weight - your choice. Since you ride year round and the subtrans only gets changed every once in a while (don't remember), pick the weight you're comfortable with. If most of your miles are in hot temps, run 40w, cold temps, run 30w. When I'm running 40w, I give it longer to warm up in cold weather. Same with engine oil, if it's cold and I'm running 10w-40, I give it longer to warm up.
Also note that nothing is spinning in the subtrans when you're warming up your engine, don't take off like a bat outta hell, give it a mile(?) to warm up especially in colder temps.
Don't put gear oil in the subtrans (80w-90), it wasn't engineered for that and won't like it. Some have and will recommend it, I won't.