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Author Topic:   Routine Maintenance on Motors
MikeR posted 08-09-2001 07:48 PM ET (US)   Profile for MikeR   Send Email to MikeR  
I am a new boat owner--that is, a new owner of a boat, not an owner of a new boat--and asked a repair shop about routine maintenance on my 1991 Yam 70. He said that be sure to have the impeller changed every couple of years. Now I know there must be more to routine maintenance than this. Any thoughts? Thanks.
triblet posted 08-09-2001 08:01 PM ET (US)     Profile for triblet  Send Email to triblet     
Get an owner's manual and the FACTORY
service manual and see what it says. It
will work out something like change the
lower unit lube and plugs annually or
every 100 hours (which ever comes first),
lube some other stuff every month or two
or 25 hours. This is all stuff any
reasonably competant home mechanic can handle.

I'm pretty experienced (I've assembled a
couple of automobile engines), but I balked
at doing lower unit seals (same as impeller,
more or less) when I counted I think 8
different lubes and sealants, and wanted the
motor back in the water in a week and a half.

And I'm 30 miles from an OMC dealer.


Bigshot posted 08-13-2001 11:49 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Lower unit seals and an impeller are totally different animals. You are correct on the maintenence. Water pumps are simple and I would have yours done so you know it is good. get a manual and see. Takes an hour or so and $40 pump.

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