Re: 90hp Johnson 86 vro
If it works KEEP IT.
You will get 1 million posts telling you otherwise.
The only issue with oil injection systems was lack of care and maintenance. All the bogus stories included. People will relate stories of the system malfunctioning and melting down a piston or two. Bogus. The system mixes the fuel BEFORE the carbs.
If it were me. I'd check and do.
Alarm system.
Clean and refill tank.