1987+/- Mercury Classic 50<br />Can not read thje serial number. <br />4 Cyl. <br /><br />We had problems from the start when we got it. Motor would not exceed a certain rpm point, as if the variable timing was not shifting. Then all of a sudden, it ran great a few weeks later. Now it is way...
Motor: 1987 Mercury Classic 50<br />Serial Number: ? (Can't Read)<br /><br />Problem: <br /> Motor will start at with throttle up and not in gear. and then you can back it down and it will have a rough idle. Motor will start up and move along, though really slow and sounds very sluggish...
