1995 Johnson 200 longevity?

[nburford]

I have one of these that is starting to run a little rough, nothing too serious yet. 2 different mechanics with no axe to gring told me that they rebuild a lot of these vintage motors, more than older ones or later ones. The motor has been well cared for, and the last thing I was planning on is a rebuild....any exerience/expertise welcome and appreciated.<br />Thanks,<br />-Nick

 

[Dhadley]

Re: 1995 Johnson 200 longevity?

Along with proper care it must be set up correctly. For a long healthy life it must be propped out correctly (lug it and it will die quickly), use the correct fuel and oil and use Champion plugs. <br /><br />If all this is done then you should expect several thousand hours of use. <br /><br />Good luck!

 

[DJ]

Re: 1995 Johnson 200 longevity?

Nick,<br /><br />Dhadley is absolutely correct. Most engines die from neglect and misuse, not by wear.<br /><br />I second his recommendations on: good fuel, good oil, regular decarb., and prop it correctly.<br /><br />Champion plugs are a must too.

 

[nburford]

Re: 1995 Johnson 200 longevity?

Thanks, which plug # do you suggest? If I'm running at 4k on a plane, would that be harmful? less than ideal?

 

[DJ]

Re: 1995 Johnson 200 longevity?

Nick,<br /><br />Not sure about the spoecific plug for that engine. <br /><br />The cruise rpm is not that important. 4K sounds OK.<br /><br />The important rpm to be aware of is the top (wide open) rpm. As long as that is on the upper end of the recommended range, you're OK. I believe that would be somewhere around 5500.

 

[Dhadley]

Re: 1995 Johnson 200 longevity?

I like to prop those out at 5800 to 6000. I have always had good luck with that style (93 and newer closed deck) motor.<br /><br />Good luck!

 

[nburford]

Re: 1995 Johnson 200 longevity?

Thanks for the help, I'll focus on the fuel, oil, etc.<br />-Nick