1981 Rinker with Mercruiser 120HP, In what order should I do these repairs??

1lastweekend

Seaman
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Nov 7, 2015
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I have a 17' Rinker open bow with a 1981 Mercruiser 120HP that needs the following work this spring:
- Replace all bellows
- Replace trim limit and trim position switches
- Replace lower shift cable

I am pulling the outdrive today, what order makes the most sense to do these repairs? I am also going to pull the bell housing to make doing the TLS and TPS easier...Thanks!
 

Scott Danforth

Grumpy Vintage Moderator still playing with boats
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Jul 23, 2011
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When was the last time the gimble bearing, u-joints, and alignment were checked?

you can do them in the order listed, however when you are doing the bellows, you will need to verify alignment and check the u-joints and gimble bearing. so that portion of the job may grow a bit.
 

Scott06

Admiral
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Apr 20, 2014
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7,341
I have a 17' Rinker open bow with a 1981 Mercruiser 120HP that needs the following work this spring:
- Replace all bellows
- Replace trim limit and trim position switches
- Replace lower shift cable

I am pulling the outdrive today, what order makes the most sense to do these repairs? I am also going to pull the bell housing to make doing the TLS and TPS easier...Thanks!
in addition to what Scott said - get a factory manual step by set this is all outlined. Also this is a good place to use OEM parts. I used sierra sender when I did mine and it never worked right.
 

alldodge

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3 - Replace all bellows
2 - Replace trim limit wires leave switches hanging
1 - Replace lower shift cable

4 - Install trim limit and trim position switches on gimbal ring
 

kenny nunez

Captain
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Jun 20, 2017
Messages
3,489
First make sure the wood in the transom is solid.
The wire harness for the trim sender and trim limit are probably bad also. The bad news is the 2 1/4“bolts that retain the wires most times break off and are just about impossible to drill out, so be careful removing them. If you have a torch that might help.
If this boat is only used in fresh water you might luck out.
Figure on also replacing the water pump in the drive.
 
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