Author Topic: Best Transmission Option for a Bike Engine Sand Rail Yet?  (Read 4724 times)

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Offline fabr

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Best Transmission Option for a Bike Engine Sand Rail Yet?
« on: July 02, 2018, 08:48:38 PM »
I've gone and started thinking again. Ya,I know,bad idea but here goes. Now that there are 3 Yamaha YXZ's sitting around here I just couldn't stop thinking of the no reverse issue we all have building bike motored buggies OR maybe a relatively inexpensive road course/rally type car.
  I got to looking at the YXZ trannys. 5 speed sequentials with a real robust reverse gear. HMMMMM I said. 5 speed sequential w/reverse mated to a  5 speed sequential turbo busa. The YXZ trannys have built in torque spike limiters and shift smooth as butter just like the busa tranny. Sort of like the busa /vw091 hybrid I have now but with a much better and lighter trans in place of the 091. Better yet,a REAL flywheel can be incorporated!! Drive shaft connection to the transverse mounted busa just like I have the blue buggy set up already.  Again,HHHHHMMMMMMMM????  AND 4 wheel drive could easily be done if wanted.

Now,what 3rd member type diff to use and convert to independent suspension whether by modifying the housing or fabbing a case for the 3rd member. Maybe some small truck or????? Any suggestions?


Seems like a decently economical way to do pretty much what I did with the 091/busa buggy .
https://www.ebay.com/itm/0572-2016-16-17-Yamaha-YXZ-1000-1000R-Transmission-Gearcase-159-Miles/302633265437?hash=item467659291d:g:5yUAAOSwqGlafcAe
« Last Edit: July 02, 2018, 08:52:07 PM by fabr »
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
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Offline fabr

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Re: Best Transmission Option for a Bike Engine Sand Rail Yet?
« Reply #1 on: July 02, 2018, 09:44:59 PM »
Calling enemy!! This should possibly be the answer to your woes also.
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline Carlriddle

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Re: Best Transmission Option for a Bike Engine Sand Rail Yet?
« Reply #2 on: July 03, 2018, 05:27:14 AM »
KISS 

https://www.ebay.com/itm/2016-Yamaha-YXZ-1000-Rear-Differential-Rear-Diff-Gear-Case-1629-miles-79-hrs/112977359294?hash=item1a4df9b1be:g:6RkAAOSwigla7h2u

Now that puts you to whatever output splines diff used, but there are some upgraded axle units.  And plenty of these things running 300hp, and pig heavy. 
You can keep your CHANGE, I'd like to keep my DOLLAR.

Offline fabr

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Re: Best Transmission Option for a Bike Engine Sand Rail Yet?
« Reply #3 on: July 03, 2018, 05:50:54 AM »
Personally,I'd shy away from using the yxz diffs. Plenty of history of failures like pushing the pinion out of the case. Yes,that would be a good choice for a road/rally type application but if I were to build a sand/desert/trails car I'd prefer to build something a lot more robust. Same goes for the axles. I believe the trannys are well up to the task though.
« Last Edit: July 03, 2018, 05:56:09 AM by fabr »
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline fabr

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Re: Best Transmission Option for a Bike Engine Sand Rail Yet?
« Reply #4 on: July 03, 2018, 05:54:55 AM »
KISS 

https://www.ebay.com/itm/2016-Yamaha-YXZ-1000-Rear-Differential-Rear-Diff-Gear-Case-1629-miles-79-hrs/112977359294?hash=item1a4df9b1be:g:6RkAAOSwigla7h2u

Now that puts you to whatever output splines diff used, but there are some upgraded axle units.  And plenty of these things running 300hp, and pig heavy.
And plenty of diff/axle/cv failures at that level.
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline dsrace

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« Last Edit: July 03, 2018, 06:49:52 AM by dsrace »
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Offline dsrace

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Re: Best Transmission Option for a Bike Engine Sand Rail Yet?
« Reply #6 on: July 03, 2018, 11:13:33 AM »
what would be nice is if on could mate the planetary rev set up out of the jeffco into the nose of that mustang diff. this would mean a new case or removable nose section. now if one made that it would be spot on. the mustang diff has a lot of support on stronger parts for forced induction v8 builds. they sell 930 flanges conversions for this diff too.
Don't never argue with an Idiot!
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Offline fabr

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Re: Best Transmission Option for a Bike Engine Sand Rail Yet?
« Reply #7 on: July 03, 2018, 12:34:37 PM »
what would be nice is if on could mate the planetary rev set up out of the jeffco into the nose of that mustang diff. this would mean a new case or removable nose section. now if one made that it would be spot on. the mustang diff has a lot of support on stronger parts for forced induction v8 builds. they sell 930 flanges conversions for this diff too.
I'm not thinking a good idea.  Bingo.Any info on how wide it would be?
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline fabr

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Re: Best Transmission Option for a Bike Engine Sand Rail Yet?
« Reply #8 on: July 03, 2018, 12:36:48 PM »
I wonder if they make reverse rotation R&P's for it IF a person wanted to go AWD ?
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline dsrace

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Re: Best Transmission Option for a Bike Engine Sand Rail Yet?
« Reply #9 on: July 03, 2018, 03:24:54 PM »
now that i don't know. if there is an awd option for the mustang or another model that uses that diff then yes.
Don't never argue with an Idiot!
Because he will drag you down to his level and beat you with experience

Offline dsrace

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Don't never argue with an Idiot!
Because he will drag you down to his level and beat you with experience

Offline dsrace

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Re: Best Transmission Option for a Bike Engine Sand Rail Yet?
« Reply #11 on: July 03, 2018, 03:45:30 PM »
now the 2010 to 2014 rear diff looks to be a good option and they offer 4.88 r&p's for them.

https://www.fordnxt.com/project-cars/project-5-liter-eater-ecoboost-mustang/2015-mustang-rearend-build-and-upgrades-with-ford-performance/
Don't never argue with an Idiot!
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Offline sandvw

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Re: Best Transmission Option for a Bike Engine Sand Rail Yet?
« Reply #12 on: July 04, 2018, 06:07:56 AM »
Personally,I'd shy away from using the yxz diffs. Plenty of history of failures like pushing the pinion out of the case. Yes,that would be a good choice for a road/rally type application but if I were to build a sand/desert/trails car I'd prefer to build something a lot more robust. Same goes for the axles. I believe the trannys are well up to the task though.
I know there are companies in Utah for sure that make stronger racks for the yxz and also the diffs because they are breaking. I cannot say it is from horsepower but from jumping them.
Made out of aluminum.

Offline fabr

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Re: Best Transmission Option for a Bike Engine Sand Rail Yet?
« Reply #13 on: July 04, 2018, 08:49:28 AM »
I'll look into that for sure.
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline dsrace

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Re: Best Transmission Option for a Bike Engine Sand Rail Yet?
« Reply #14 on: July 05, 2018, 07:07:22 AM »
i have actually seen ads for stronger diff housings for the utvs as well. never searched them out but they pop up here and there. not a bad idea all in all .
Don't never argue with an Idiot!
Because he will drag you down to his level and beat you with experience

 

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