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Author Topic:   Preventive Maintenance
Bosmass posted 05-28-2002 08:38 AM ET (US)   Profile for Bosmass   Send Email to Bosmass  
1989 17' Whaler Super Sport Limited w/ 100 hp Evinrude: so far this season I've replaced the power pack and the solenoid, the plugs and wiring, and I'm wondering if this is par for the course. Can I expect that these items are at the end of their usefulness and need replacement and more importantly should I be aggressive and replace the starter motor before that fails. And are their other items that will fail because of the age of the motor. The Evinrude has been checked out and its compression is good, it's the little supportive items that seem to fail.
Experience or advise is welcome.

whalerron posted 05-28-2002 09:09 AM ET (US)     Profile for whalerron  Send Email to whalerron     
I had a 1975 70 Johnson that started going through power packs at the rate of one per year. The dealer was no help so I contacted OMC directly and their techician gave me a bunch of things to check. But, he said before doing that I should make sure that all of the engine grounds were good. According to him, a bad ground will kill a powerpack. He said I should check the ground connections in the throttle/switch control as well as all under the cover of the outboard. I did find a badly corroded connection on the outboard and once corrected, I never burned out another power pack.
- ron
jimithing posted 05-28-2002 10:15 AM ET (US)     Profile for jimithing  Send Email to jimithing     
How about changing the water pump assembly and the thermostat.....these also are headaches when they go and on a motor thats 13 years old may be a smart move.
Bosmass posted 05-28-2002 11:34 AM ET (US)     Profile for Bosmass  Send Email to Bosmass     
There ain't nothing like experience. Thanks for the reponses. Funny, when you are having problems with the power-end you foget about the lower end. I'll double check the grounds.
jimh posted 06-02-2002 08:39 AM ET (US)     Profile for jimh  Send Email to jimh     
The suggestion to check the ground connections of the [high-voltage spark generating coils] is a good one. These coils generate very high voltage. If they are not well connected to ground, the high voltage current can stray and find a path to ground that runs through other components, burning them out.

whalernut posted 06-02-2002 09:55 AM ET (US)     Profile for whalernut  Send Email to whalernut     
My 75` 85h.p. Johnson has burnt 1 power pack in 2 years and my buddy had a 78` 85h.p. Johnson that burnt them at like 2 a year, he told me that was one of the quirks about the 85h.p. OMC`s. As a side, where is the best price for Power Packs, I would like to buy a couple and keep them handy??? Jack.
Lil Ernie posted 06-02-2002 04:56 PM ET (US)     Profile for Lil Ernie  Send Email to Lil Ernie     
Jack, you can get them at Seven-Eleven for about $1.29 each. Whoops! Thats a Power Bar....sorry! Try Wal-Mart. You Pal, Lil Ernie
fester posted 06-03-2002 03:31 PM ET (US)     Profile for fester  Send Email to fester     
You may want to decarb the engine. Excess carbon in the engine can cause major problems. Buy a can of one of the various decarb products and run it through your engine. There are a couple of old threads on how to do this.

You also may want to take a close look at the fuel system. Make sure that all of the fuel lines and the bulb are in good shape. You also may want to change the diaphram in the fuel pump if this has not been done in the last five years.

If you are using the VRO systems, I would replace the VRO pump and make sure the oil lines are in good condition.

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