simpson_3
Member
I’ve been looking at a couple outboards and wanted to know the difference between a 225x and a 225. I’m referring to mercury racing alien cowl engines.
So in terms of reliability, like a 2002 promax 225x would be more reliable then like a 1999 promax 225? What will eventually kill these engines? Because I have a 1998 225 sport with oil injection delete and I’ve never had an issue but I see some people blow their engines due to a failed injectorX has a near bullet-proof oil injection pump. I have not heard a single oil pump failure on the X.
Not so for the previous gen promax.
X has o-ring type heads vs gasket for improved reliability.
As mentioned above, uses a car type alternator for higher charging and reliability.
The Xs ECU controls all the timing. Prev gen promax uses linkages.
according, to the internet, the prev gen promax throttle position sensor is no longer avl
The X TPS is the same as many other Merc motors, hence, it's available.
X has a totally different air-intake.
Too bad they're not made anymore.
I still got my year 2002 X.