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Bravo 1 Gear Oil

Old 11-19-2021, 09:06 AM
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One additional mod I did not mention is I upgraded to the 1 1/4 prop shaft. Itís good insurance.
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Old 11-19-2021, 09:03 PM
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Amsoil Marine Gear lube made for clunky shifts in my all OE B1 to the point where I could feel the shift cable kicking. Went back to Merc. High Performance Lube ($10 qt.) and smooth as butter again. Never comes out black after 20 hrs. in circa 1996 drives!
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Old 11-20-2021, 04:46 AM
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Originally Posted by Griff View Post
That really depends on what year it was...........

Merc used to put standard Bravo's behind 500HP's, 525SC's and 600SC's and they would live.
Then gear quality and overall quality control went down and Merc came out with the XZ and XR and X to live behind the same HP ratings that used be ok with regular Bravos.
That's interesting. I did see in a brochure the HP 500 did come paired with the Bravo I and that's why I did feel confident in purchasing the engine without having to swap outdrives. But I did see you are correct they switched to the X or XR shortly after.

My OD is from a 1998 model year. I wonder where that falls into?

Thanks for the good tips guys
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Old 11-20-2021, 05:00 AM
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Originally Posted by thirdchildhood View Post
The green high performance lube is now the everyday lube. This is the latest and greatest from Mercury and it even looks and smells like conventional gear lube: https://www.mercruiserparts.com/merc...e-gear-lube-sa
They list that lube for the Bravo XR. I'd be curious why the Bravo I is not listed?
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Old 11-20-2021, 05:01 AM
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Originally Posted by 26 Outlaw Bad Influence View Post
One additional mod I did not mention is I upgraded to the 1 1/4 prop shaft. Itís good insurance.
I'm assuming you had a conversion kit installed?
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Old 11-20-2021, 07:47 AM
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+1 Amzoil. real world proved a difference. 2006 42 Fountain with 525's
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Old 11-20-2021, 08:47 AM
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Originally Posted by xlint89 View Post
They list that lube for the Bravo XR. I'd be curious why the Bravo I is not listed?
Only because itís from Mercury Racing. Therefore, parts look up only looks up / includes Mercury Racing parts.
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Old 11-20-2021, 10:10 PM
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I've known a few people who got delays when shifting into gear with Amsoil.
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Old 11-21-2021, 09:11 AM
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Originally Posted by SB View Post
Only because itís from Mercury Racing. Therefore, parts look up only looks up / includes Mercury Racing parts.
That makes sense. Thanks
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