So the bearing went bad and when I took off the water pump I noticed the impeller has been rubbing on the cylinder wall. there looks to be about 1/16th to 1/8th inch removed from the insides. Is this something I should be worring about or will this motor be able to truck on?

 

The #1 cylinder is machined to allow for impeller clearance.

 

yeah well the impeller machined a lil bit more, this is the 2nd time I have had the pump off and it liiks like the impeller chewed on it a bit.