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-   -   Blown Bravo 1 (https://www.offshoreonly.com/forums/drives-lower-units/373565-blown-bravo-1-a.html)

riverrunner242 10-04-2021 12:40 PM

Blown Bravo 1
 
I went out this past weekend and ran my boat hard. Thought I blew my drive. When I pulled it off this is what I found. I'm going to pull apart when I find the time but was wondering if anyone had any idea why this net would back out or push out?
https://cimg7.ibsrv.net/gimg/www.off...00a0e71238.jpg

JaayTeee 10-04-2021 12:54 PM

Go ahead and pull out the input
shaft assy and see if any teeth have broken off of the
gears….. you don’t even need any tools to do this

cheech 10-04-2021 02:55 PM

As said above. Should be able to pull the input right out.
Lost a few teeth, they tried to climb each other, pushed against retainer nut, then the threads in upper case lost the match.

boostbros 10-04-2021 07:38 PM

that's what a blown upper gear case looks like !

riverrunner242 10-04-2021 08:18 PM

https://cimg4.ibsrv.net/gimg/www.off...d72f7a02ec.jpg
https://cimg3.ibsrv.net/gimg/www.off...c6415795a0.jpg
https://cimg5.ibsrv.net/gimg/www.off...665a6899be.jpg
yeah looked a little closer tonight. Yikes!

xlint89 10-04-2021 09:58 PM

Oh that's not good...

What were you doing when she went? Speed, water conditions, heavy or light load?

riverrunner242 10-05-2021 05:54 AM


Originally Posted by xlint89 (Post 4808003)
Oh that's not good...

What were you doing when she went? Speed, water conditions, heavy or light load?

when it went I was around 4000 rpm calm water. Boat is a 28 pantera speed I'm unsure of. Probably around 55mph. I'd say it was under a pretty light load

MMatt28 10-05-2021 06:23 AM

What direction do you think you will go? XR? SCX?

riverrunner242 10-05-2021 07:03 AM


Originally Posted by MMatt28 (Post 4808019)
What direction do you think you will go? XR? SCX?

I'm thinking scx even though xr fits my budget a little better. Then I think I'll be good even if I decide to upgrade power down the road

thirdchildhood 10-05-2021 07:42 AM

XR upper has held up for me for quite awhile after blowing two Bravo X uppers. Prices can vary widely so shop around and don't buy a used one.


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