I have a 1997 Johnson 175 OceanRunner Outboard motor. Currently I am having difficulty in getting the motor started. When it does start, the motor will perform perfectly, however, after putting the boat away for a week or so, the motor will not start. If I change my plugs, the engine will start; it will be sluggish at first, but will idle fine after a few moments.<br /><br />Before I change the plugs, I notice the threads are wet. Any suggestions will be appreciated.<br /><br />Paul