oil change on Yamaha 9.9 high thrust kicker

[Bad Habit]

 I'm getting ready to winterize my "new to me" 1997 Yamaha 9.9 high thrust kicker. What is the recommended oil and gear lube for this motor? Not sure what was used before. whether it was synthetic, synthetic blend, or regular oil. 

[CK3080]

I’d just buy a 100hr maintenance kit from Sim Yamaha, it includes all the necessary filters as well. Just need to provide the serial number. Thats what I do with my 2015 high thrust T9.9

[tech2526]

https://outboards.yamaha-owners-manuals.com/om/LIT-18626-12-34.pdf

this has all the info you need

[Bad Habit]

Thanks for the replies. I couldn't find a kit local so I ordered a 100-hour kit. 

The oil and gear oil seems to be much harder to find than Mercruiser products. Is there any reason I couldn't just use Mercruiser products in a Yamaha?

[tech2526]

this is going to be an unpopular answer to your question,  but... you can use any gear oil in the correct viscosity ,   mercuiser oil will be fine.  

[Cat Power]

Amsoil oil and Amsoil gear lube in mine.