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  #1  
Unread 07-31-2017, 07:16 PM
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Default Changing 170 outdrive impeller

It's been too long. Can you guys give me the short form tutorial on changing the impeller in my 1985 Mercruiser 170 outdrive. I'll probably recognize most of what I need to do when I get in there but I recall that the throttle lever needed to be in a particular position (I think it was forward) and I need to drain the oil before taking it apart??

Comments appreciated.

Thanks
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Scott, Portland, OR '85 V-20 I/O, Merc 170
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Unread 09-02-2017, 08:38 PM
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Default surprised nobody helped you

I am surprised none chimed in!? Just go to you tube and do a search or search on this site... best bet for anything you need
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Unread 09-02-2017, 10:14 PM
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Thanks Tunnaman - when nobody posted that's what I did. I don't know why I didn't think of that, I've researched a lot of other stuff that way.

Sometimes you have to go through a few to get a good one but they're there.
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Unread 09-03-2017, 02:20 PM
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Cool

I didn't chime in because I don't have an outdrive. Most of the guys here run outboards also. If you had asked about an outboard that would have been a different story I'm sure.. Glad you found your answer.
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1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer
1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer
1996 V21 w/1993 200HP Mercury on a Shoreline Trailer
All towed by a 5.7L Hemi Durango.


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Unread 09-03-2017, 05:19 PM
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leave it in forward gear, the shift hardware all aligns in forward gear. Drop the lower unit,dont forget the bolt under the trim tab. R%R the impeller. Prop turn counter clock wise viewed from the rear to keep it n fwd gear. Spin the prop to get the splines aligned, Bolt back up, fill with gear lube from the bottom
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Unread 09-03-2017, 08:23 PM
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... There's the Chime!!! Lol
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