Best oil for older Yamaha four stroke 9.9

[Emerger]

What is the best, or at least a good oil to use in an early 90s Yamaha 9.9 four-stroke engine? Type/weight/brand, whatever you know. Thanks

 

[rndn]

Re: Best oil for older Yamaha four stroke 9.9

Just use a good name brand oil. Don't buy store brands and use the weight suggested in the manual.