Fitting a 2.5 onto XR2 offshore leg.

monkey man

Senior member
Joined
Dec 14, 2017
Messages
149
Location
Somerset
Cruising area
on the water
Boat name
BANZAI
Boat make
Phantom 20
Engines(s)
Mercury 2.5 Offshore
Hi. I have an offshore XR2 leg and CLE box. I was thinking of taking off the 2.0 xr2 powerhead and putting on a 2.5 I’ve got. I know it’ll fit, but Will I have to change anything to make it all work correctly?? Thanks.
 
What 2.5? 200 or 260?
 
Thanks for the reply.
200 ported with 7 petal front end.
 
Check exhaust port size versus adapter. You might have to enlarge these in the adapter. Besides you have to check the cooling. A stock 200 leg has a sandwich plate with a popet cavity that works with tstats and popet in block. 3 options: 1 modify your adapter plate to make it work as the sandwich plate/ 2 remove popet and stats and use same setup as xr2 or 3 put sandwich plate on the offshore leg.
 
Thanks for the reply, I will have a look and get it sorted ?
 
Back
Top