Hi, after I read your post, I am decided give marc 150 4 stroke a try on my xb2002, since I am getting older, speed is nice but I want more reliable.
I found a one dealer got new 150 4 stroke motor but not XS, I have 89 black max 200 with 3 props 26 trophy, 32 chopper, 31 Spinelli. that probably...