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1989 Mercury outboard lower unit question

Thread starter dmiles452
Start date Apr 23, 2024

D

dmiles452

Seaman

Thread starter

Apr 23, 2024

#1

Is there a coupler between the lower unit shift shaft and the upper unit? Something to lock the splines together?

C

Chris1956

Honorary Supreme Mariner

Apr 24, 2024

#2

Every Merc that I have seen has a coupler on the upper shift shaft.

R

racerone

Honorary Supreme Mariner

Apr 24, 2024

#3

The splined connection just slips apart.-----No tools required to disconnect the shift shaft.

Faztbullet

Supreme Mariner

Apr 24, 2024

#4

Every Merc that I have seen has a coupler on the upper shift shaft.

Except newer motors 25hp and under

D

dmiles452

Seaman

Thread starter

Apr 26, 2024

#5

Thanks for the responses, I finally found the part I needed. Most of the parts breakdown pics dont show the part

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