Drive shaft o-rings on B3

[o2batsea]

So in all my searches, I can't find any reference to the o rings on the drive input shaft. Can anyone tell me what size or part number these are? Do they absolutely have to be on there for a trailer-stored boat?

 

[bondo]

So in all my searches, I can't find any reference to the o rings on the drive input shaft. Can anyone tell me what size or part number these are? Do they absolutely have to be on there for a trailer-stored boat?

Ayuh,.... Can't tell you the size, but they're there just to make contact with the gimble bearing,.....

I'm heading down to my shop soon, 'n happen to know where a pair are sitting, I'll grab 'em this afternoon,.....

 

[kghost]

Are these the orings? Item 23

https://www.marineengine.com/parts/mercruiser-sterndrive-parts/bravo-three/0f730000-thru-0m100000/universal-joint-shifter-components

 

[kghost]

Ayuh,.... Can't tell you the size, but they're there just to make contact with the gimble bearing,.....

I'm heading down to my shop soon, 'n happen to know where a pair are sitting, I'll grab 'em this afternoon,.....

I have lots of those sitting around also but to far away to hand them to you........

 

[Bt Doctur]

they come with the mounting kit https://www.mercruiserparts.com/16755q1-install-kit

 

[bondo]

Ayuh,...... o2batsea I've got 'em,.... With a tape measure, they're like the ones shown in kghost's link,...... just under an inch OD, 'n a fat 1/16" thick,.....

If ya want 'em, I can have 'em tomorrows mail,......

 

[o2batsea]

Emailed.

 

[bondo]

They're on their way,.......