oldkennerguy
Cadet
- Joined
- Mar 25, 2005
- Messages
- 8
My old houseboat was repowered with a AQ200C with a 280 outdrive.The book that I have says to use 10w-40 oil as the lower unit lube.My thinking says #80-90 gear lube?Is there a specific reason Volvo uses motor oil and would it hurt to use marine gear lube???