Re: will putting an 'r' water pump on an 'mr' cause water in lower unit
Phil,...
You've already got a thread going about this particular Issue....
Keep All your posts in the Same Thread... It'll save a ton of Confusion....
That said,...
You need the Right waterpump for Whatever drive you're working on....
Did the 1 you used look like it belonged there,..?? Did it Fit,..??