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-   -   Bravo 1 to XR or better conversion (https://www.offshoreonly.com/forums/drives-lower-units/213427-bravo-1-xr-better-conversion.html)

niceguy 07-27-2009 05:10 PM


Originally Posted by Mr Gadgets (Post 2918922)
I do an upgrade conversion using the X gears and install a steel tower in the case and use the XR ribbed top cap, that is a very good drive when it is done. The lower is still the small shaft B1, but that can be upgraded also. If the lower gears are worn that is a good time to go to the XR propshaft kit..

Hope this helps..

Pm me if you have any ??

Dick

Thanks Dick. I was going to ask how to get in touch, but I'll just send you a PM.

ROTAX454 07-27-2009 05:16 PM

Dick, My Bravo Gimbal conversion is coming along quite nicely. It will house the Max Worx SS gimbal ring and the Merc HP gimbal helmet. It will have the electric trim sender unit too. I will send along pics when finished. This gimbal unit and a "Mr.Gadgets" Bravo Drive would make a solid package.

Sheepdog1 02-26-2024 04:31 PM


Originally Posted by Mr Gadgets (Post 2918922)
I do an upgrade conversion using the X gears and install a steel tower in the case and use the XR ribbed top cap, that is a very good drive when it is done. The lower is still the small shaft B1, but that can be upgraded also. If the lower gears are worn that is a good time to go to the XR propshaft kit..

Hope this helps..

Pm me if you have any ??

Dick

Hey Dick I know this is an old post but I have a question about a boat that I'm looking at. It's a 1996 advantage sports cat originally came with a Merc 525 blown motor with XR drive. The guy blew up the motor and the boat's been sitting for a couple years but is in really good condition. My question to you would be, is it possible to buy the components to retrofit a 454 built blown motor into it? Any information you can provide would be greatly appreciated.

larose481 02-26-2024 10:14 PM

Good chance your "blown 525" is a 525 SC which is a 454 with an POS Weiand 177 blower that claimed 525 HP but only made 490 HP but to answer your question, any 454 will fit. This is a general question and not a drive question.

[email protected] 07-30-2025 06:56 PM

Sir I have installed 1 1/4 prop shaft in my bravo 1 and have a problem with the pre load on carrier bearing hub. Do you know of anyone that might have done this to there lower unit that could help with my issue . the issue is the the carrier bearing hub nut is tq all the way in and still have to much play for bearing to carrier. shaft pulls out and in where as the prop shaft bearing has not made contact with the bearing race .the load ring is new and washer old .is there a shim procedure ?

26 Outlaw Bad Influence 08-02-2025 04:41 PM

Outdrive
 

Originally Posted by niceguy (Post 2916125)
So no one else has done this??

I don’t think even the XR is rated for that much horsepower. I’m running 700 and blew up an XR drive. Twice. I’m running a Teague platinum which I believe is rated at 800 and I’ve had zero problems. I would call Teague performance and consider this drive and save yourself a lot of money in downtime


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