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NXT Drives / Trannies

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Old 04-03-2008, 08:15 PM
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Originally Posted by ToMorrow44 View Post
With regards to the NXT extension box, what transmission are they running in there? Could you put a Bam trans in there and run a #6 off the back that way no trans is in the engine compartment?
-Tom
there is no way to fit anything other then their unit. merc that is. and a number 6 will bolt right on.
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Old 04-03-2008, 08:18 PM
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Originally Posted by Mentalpause View Post
I had heard that the Bravo to NXT required some changes. I thought the transom cut out was different at a minimum. Do you know anyone that has tried the conversion that could comment on it?
wasnt implying that it would bolt right in were a bravo WAS. but rather it may for some people it may be more of an offer at 700 hp than say a bravo package that has a 700 hp big block put in front of it.
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Old 04-04-2008, 10:16 AM
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Originally Posted by ToMorrow44 View Post
With regards to the NXT extension box, what transmission are they running in there? Could you put a Bam trans in there and run a #6 off the back that way no trans is in the engine compartment?
-Tom


It's pretty small, here's a few breakdown pics

http://www.mercruiserparts.com/Show_...Shift+Cover%29

http://www.mercruiserparts.com/Show_...voir%2FPump%29

http://www.mercruiserparts.com/Show_...t+And+Gears%29
http://www.mercruiserparts.com/Show_...28Tailstock%29
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Old 04-04-2008, 11:04 AM
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In looking at the parts breakdown, it looks like the NXT transmission has the same cone clutch as a Bravo. Even retains one of the upper gears?
Very interesting as the cone clutch was always one of the big failure points on a Bravo.
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Old 04-04-2008, 12:29 PM
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Originally Posted by Biggus View Post
In looking at the parts breakdown, it looks like the NXT transmission has the same cone clutch as a Bravo. Even retains one of the upper gears?
Very interesting as the cone clutch was always one of the big failure points on a Bravo.

Part #'s are different than say an XR.
I would imagine they beefed it up.

It looks like they just rotated the components 90*.

The top gear is now the fwd gear/input , the pinion is a idler
and the bottom gear is the reverse gear.
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Old 09-13-2010, 01:10 AM
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Originally Posted by marinetrans View Post
The only problem was a bunch of misajusted shift cables, resulting in some smoked trannys. But it wasn't Merc's problem. Very good package overall.
Can you elaborate on the misadjusted cables a little more please. My port side motor seems to clunk a little when shifting into reverse. I was planning on a rebuild this winter, but the starboard side locked up in forward this weekend during the Lake Cumberland Poker Run. I suppose it could be a drive issue, but I'm suspecting the trans. Thanks.
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Old 09-13-2010, 08:54 AM
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Default Hard to get out of forward

Yes, con you elaborate about sticking in gear with misadjusted cables. One is smooth as silk and other is hard to get out of forward. Started at about 25 hours on them. In service now.
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Old 09-13-2010, 02:15 PM
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No problems yet 100 hours.
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Old 09-13-2010, 04:55 PM
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Originally Posted by omerta one View Post
The thread request was for personal experience...NO HEARSAY. JUST THE FACTS. Rumors are just that...and I have heard them as well, but not one from someone that actually owned or serviced an NXT; that is why I initiated this thread, to flush out any REAL problems.
09 38 ZR 230 HRS 700'S NXT NOT 1 ISSUE [KNOCK ON WOOD]
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Old 09-16-2010, 07:58 AM
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Ttt
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