2005 225 Pro xs

[Stump]

I'm looking at a boat with a 2005 225HP ProXs. What is the difference in a proxs and a regular opti? I compared them on the Mercury website and the only difference noted is the max rpm range is 6000 on the xs and 5750 on the regular opti.

[EuropeanAM]

On the 225 ProXS, differences include (but are not necessarily limited to):

-Block porting
-Cylinder Heads
-Fuel Rails
-Direct Injectors
-Engine Mounts (primarily uppers)
-Spark Plugs
-PCM Calibration
-Reeds
-Gearcase

The ProXS is substantially stronger- better holeshot, better mid-range "punch", and stronger top end. ProXS puts out an average of approximately 247 at the propshaft.....

[Stump]

Thanks.......what about the difference in fuel consumption between the two? and dependability.

[EuropeanAM]

Almost no discernable fuel consumption difference (the ProXS has a VERY slight edge on fuel economy).

Dependability essentially identical (with a few plus marks to the ProXS, such as the carbon fiber reeds being less likely to cause major engine damage if one fails, etc).

[Stump]

Thank you much for the great info!......looks like I might be a Mercury owner soon!

[EuropeanAM]

Wish you the best of luck in your potential purchase.