225 Mercury Optimax
 

Is anyone running a 225 Opti on thier Sea Crafts? I just re-powered with a 225 and the marina that installed the engine says to only use Merc Optimax Oil- Is any one running regular TCW-3 in this engine? I dont want to void my warranty if something goes wrong- not using Optimax Oil. I have 5 cases of non Opti oil left and dont want to waste it. Thanks

Re: 225 Mercury Optimax
 

I would run the Opti oil. Running other oils will void your warranty from what I have been told.

Re: 225 Mercury Optimax
 

Do yourself a favor and only use the Optimax oil.

Re: 225 Mercury Optimax
 

I have two 2001 225 Optis on a 32' SC. A family member who is a Mercury repair shop owner and the tech support at Mercury both told me that Premium Plus oil is more than adequate for the Optis.

Re: 225 Mercury Optimax
 

Use of non-Opti oil will void warranty. Find yourself a Merc repair facilty- they sell Opti oil in a 55 gallon drum- you bring a container and fill up - save yourself about $6 or 8 dollars over buying the one gallon containers at boating stores. The Opti oil has a dye in it which tells Merc if the proper oil has been used for warranty.

Re: 225 Mercury Optimax
 

I have a 225 Opti,I only use Opti oil, but I've never heard that it was a warranty requirement. My friend also has a 225 Opti, he had a 55 gal. barrel of Merc. Premium Plus and the dealer told him to go a head and use it. He's got close to 1000 hours on his motor with no ill effects.

Re: 225 Mercury Optimax
 

The Opti's and all other DFI EFI motors oil differently than Carbed motor and do require the newer oil.