1)Gearbox Oil Change:AMSOIL Formula 4-Stroke 10W-40 Synthetic Scooter Oil
Well, it's not a 4-stroke, or a Scooter, so instead, I recommend:
Also, I have no idea what "I think its the valve as the far CCW setting seems to run well so far. " means, as there aren't valves and I have no idea what a CCW setting is... Counter Clock Wise? Hm. I'm lost.