9.2A stern tube diameter?

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scottmcg

scottmcg

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Sep 16, 2010
14
S2 9.2a Bellingham, WA
I'm repowering my 1977 9.2A next month with a BetaMarine 902 (25hp). While the boat is on the hard for the install, I'd like to add a PSS dripless shaft seal. Since the boat is currently in the water, I can't pop the hose off the stern tube to check the diameter for ordering. Does anyone know what the stern tube diameter is? Thanks in advance.
Scott
 
woodster

woodster

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Sep 15, 2009
6,243
S2 9.2a Fairhope Al
i have mine off at this time Scott....the stuffing box is 1 and 3/4 od and i will ck it in the morning to make sure the tube is the same...i am almost sure it is but i will ck .....will you have enough room for the pss set up with the new engine.....

regards

woody
 
woodster

woodster

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Sep 15, 2009
6,243
S2 9.2a Fairhope Al
scott....i cked the tube on my boat and it is indeed 1 and 3/4 inches od...hope this helps....

regards

woody
 
B

Bob McKee

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Mar 14, 2007
88
S2 9.2A Seattle, WA
S2 9.2A Stern Tube

The stern tube is 1 3/4".
I installed a Yanmar 3GMD in my sailboat several years ago and also installed the PSS, there was enough room. Don't know if the Beta is any longer than the Yanmar. I had to modify the engine cover by lengthening it about 5 1/2" because the the Yanmar stuck out further in front. I am very happy with the increased horsepower, 20 hp vs. 10hp in the old, sick, tired YSE12.
 
scottmcg

scottmcg

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Sep 16, 2010
14
S2 9.2a Bellingham, WA
Re: S2 9.2A Stern Tube

Thanks Woody and Bob. BTW, when you repowered, did you add any soundproofing barriers in the back? I've got the engine cover well insulated but am thinking of trying to build at least some sort of partial box to cover the back of the engine. I'm sure just getting rid of the old YSB12 will help the noise situation quite a bit all by itself...
 
woodster

woodster

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Sep 15, 2009
6,243
S2 9.2a Fairhope Al
scottmcg said:
Thanks Woody and Bob. BTW, when you repowered, did you add any soundproofing barriers in the back? I've got the engine cover well insulated but am thinking of trying to build at least some sort of partial box to cover the back of the engine. I'm sure just getting rid of the old YSB12 will help the noise situation quite a bit all by itself...
Click to expand
Scott......i think that the new engine is going to be very quite comparied to your old one for sure...i personally am putting sound protection on the gally sink bulkhead and maybe some on the bottom side of the cockpit sole....maybe some armorflex with contact cement......

regards

woody
 
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