Hi, I'm new here. Nice to meet ya!<br />Engine info:<br />1973 Merc 650, 65 HP, 3 cyl, SN# 3334475<br /><br />Just purchased the motor, had been stored for 2 years. When the key is turned, there is a loud "click" coming from the port side of the engine. It's heard when turning the key and again...