[Public-List] dinghy outboard engine question

George Dinwiddie via Public-List public-list at lists.alberg30.org
Tue Sep 12 19:14:25 PDT 2017


Is it pumping OK? I've seen impellers harden up and not pump effectively.

  - George

On 9/12/17 10:10 PM, Randy Katz via Public-List wrote:
> Greetings, All,
> I don't know if anyone has a thought about this, but our dinghy outboard
> ran fine on the three week trip to Desolation Sound, British Columbia. (Saw
> one other A-30 at Henry Bay located at the N end of Denman Island, south of
> Comox on Vancouver Island. Didn't get to find out whose boat.) This is a
> mid-1980s Mariner 5 hp. engine.
> I changed the impeller last weekend and noticed two things--
>     * less power, though it ran fine during a 40 min. trip around Lake Union
>     * more noise (More rattling, generally a higher volume.
> Anyone have any idea why or how to fix this? The impeller's the right part,
> I'm positive. I'm nearly certain I installed it correctly--the parts all
> went back together as expected.
> I was wondering about timing being off but don't imagine a change in the
> lower unit would have anything to do with that.
> I'm still poking around in manuals, but perhaps one of you has a thought
> about this perplexing problem.
> Thanks,
> Best Regards,
> Randy

   When I remember bygone days                         George Dinwiddie
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   So many I loved were not yet dead,           http://www.Alberg30.org
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