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-   -   NXT Drives / Trannies (https://www.offshoreonly.com/forums/general-boating-discussion/177269-nxt-drives-trannies.html)

monstaaa 04-03-2008 07:15 PM


Originally Posted by ToMorrow44 (Post 2512186)
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.

monstaaa 04-03-2008 07:18 PM


Originally Posted by Mentalpause (Post 2404542)
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.

JaayTeee 04-04-2008 09:16 AM


Originally Posted by ToMorrow44 (Post 2512186)
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

Biggus 04-04-2008 10:04 AM

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.

JaayTeee 04-04-2008 11:29 AM


Originally Posted by Biggus (Post 2512784)
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.

Chuck 09-13-2010 12:10 AM


Originally Posted by marinetrans (Post 2404219)
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.

BKSAE 09-13-2010 07:54 AM

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.

jima97 09-13-2010 01:15 PM

No problems yet 100 hours.

robert246 09-13-2010 03:55 PM


Originally Posted by omerta one (Post 2403531)
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]

Chuck 09-16-2010 06:58 AM

Ttt


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