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Motorcycle Forum / General / Harley / September 2008



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Recommendations on Brand of Tranny

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DaPlumba - 24 Sep 2008 00:04 GMT
Help yourself to a drink, plastic's on the bar, I've got a Limoncello.

My '94 FXR'x tranny is getting to feelin a little iffy. Third is sometimes
hard. Clunk's into every gear. I put in a Hayden M6 chain tensioner couple
years back, which helped.
Had some recent minor work done inside primary, so's I figure chain should
be properly tensioned. And then, all phony reasons aside, I've been thinking
about a six speed tranny. Might make for a good winter project. Can't afford
a Baker, but on Ebay I see some reasonable Ultima and RevTech. Ultima I'm
not familar with, but I've heard of RevTech. Gear ratios are the same.
Anyone have any experience with either, good or bad?

Plastics still on the bar, have another.

Signature

DaPlumba

1969 Honda Superhawk ...  the learner
1971 Norton Commando.. I was young, and damn it was fun
1979 Ironhead XLCH...... once the ride, now the project
1994 FXRS..................... my mistress

spunky hussein tuna - 24 Sep 2008 00:33 GMT
> Help yourself to a drink, plastic's on the bar, I've got a Limoncello.
>
[quoted text clipped - 9 lines]
>
> Plastics still on the bar, have another.

Baker's the best if you have the cash, but you knew that.  I've heard
horror stories about Rev-Tech, but don't have first-hand experience with
them.  I've heard fewer horror stories about Ultima, but both Ultima and
Rev-Techs are built off-shore if you care about that sort of thing.

I don't know why you're set on a six speed, but if you're looking to
save some bux, eBay is usually full of five speed guts that people have
pulled from gnu bikes to install factory six speeds in.  You may well
find that if you resprocket (or repully if you're running a belt) a five
speed may be all you really need.
--
spunky hussein DunnoIfThisHelpsOrJustComplicatesThings tuna
DaPlumba - 24 Sep 2008 00:40 GMT
>> Help yourself to a drink, plastic's on the bar, I've got a Limoncello.
>>
[quoted text clipped - 22 lines]
> --
> spunky hussein DunnoIfThisHelpsOrJustComplicatesThings tuna

Thanks. I am running a belt. It was just I figured if I was going in, maybe
it would be worth it.
As far as them being built off-shore, yes, it does matter. Thanks for the
heads-up.

Signature

DaPlumba

1969 Honda Superhawk ...  the learner
1971 Norton Commando.. I was young, and damn it was fun
1979 Ironhead XLCH...... once the ride, now the project
1994 FXRS..................... my mistress

Terry Coombs - 24 Sep 2008 01:29 GMT
>>> Help yourself to a drink, plastic's on the bar, I've got a
>>> Limoncello. My '94 FXR'x tranny is getting to feelin a little iffy.
[quoted text clipped - 27 lines]
> As far as them being built off-shore, yes, it does matter. Thanks for
> the heads-up.

 In addition to Spunky's advice , I decided not to go with an OD tranny
because of the alleged power losses involved . My decision was to go with a
65t rear sprocket (70 is stock) instead . Got it in hand but haven't
installed it yet . I really need to do that soon ...
Signature

Snag
'90 Ultra "Strider"
'39 WLDD "Popcycle"
Buncha cars and a truck

DaPlumba - 24 Sep 2008 22:28 GMT
>  In addition to Spunky's advice , I decided not to go with an OD tranny
> because of the alleged power losses involved . My decision was to go with
> a 65t rear sprocket (70 is stock) instead . Got it in hand but haven't
> installed it yet . I really need to do that soon ...
As far as power losses, I always figured if I had to pass a semi on a hill,
I'd just downshift..
I also have a EV27, single-fire ign., SE breather, so I have some oomph (at
leat compared to
a Miata). Hearing about your luck with the RevTech makes me think again,
instead of just rejecting
it out of hand. It just seems when I'm doing 70 - 75 mph, I'm checking to
make sure I'm all the way up.

Signature

DaPlumba

1969 Honda Superhawk ...  the learner
1971 Norton Commando.. I was young, and damn it was fun
1979 Ironhead XLCH...... once the ride, now the project
1994 FXRS..................... my mistress

Terry Coombs - 24 Sep 2008 23:35 GMT
>>  In addition to Spunky's advice , I decided not to go with an OD
>> tranny because of the alleged power losses involved . My decision
[quoted text clipped - 14 lines]
> it out of hand. It just seems when I'm doing 70 - 75 mph, I'm
> checking to make sure I'm all the way up.

 Um , I think you might have me confused with someone else ... I have no
experience with any but stock H-D trannies . I was going to replace my stock
five with a six speed OD gearset , but decided that for me a better solution
was to gear higher on final . Helps that I'm (quite) a bit lighter than the
average Harley rider ... guess I need to install that pulley this weekend .
Signature

Snag
'90 Ultra "Strider"
'39 WLDD "Popcycle"
Buncha cars and a truck

Ryder Rick - 25 Sep 2008 00:05 GMT
> As far as power losses, I always figured if I had to pass a semi on a hill,
> I'd just downshift..

It's not about passing that semi, maybe just making it up the hill
without down shifting.

If you are just wanting to maintain steady speed, it will work. But as
soon as you show it a hill or ask it to pick up 5mph or whatever the
power sucking happens. Even with the final geared down. The power loss
and heat generated in the trans overdrive gearing is not acceptable.

Why do you think the MoCo went DD when 6's were offered as original equipment?

I'll make you a great deal on my Baker 6 OD....
Signature

Ryder Rick
<  >

DaPlumba - 25 Sep 2008 00:30 GMT
>> As far as power losses, I always figured if I had to pass a semi on a
>> hill,
[quoted text clipped - 12 lines]
>
> I'll make you a great deal on my Baker 6 OD....
You mention overdriving the primaru. What is that? Different geaing on
clutch basket?

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DaPlumba

Ryder Rick - 25 Sep 2008 00:57 GMT
>>> As far as power losses, I always figured if I had to pass a semi on a
>>> hill,
[quoted text clipped - 17 lines]
> You mention overdriving the primaru. What is that? Different geaing on
> clutch basket?

larger motor sprocket
Signature

Ryder Rick
<  >

DaPlumba - 25 Sep 2008 01:05 GMT
>>>> As far as power losses, I always figured if I had to pass a semi on a
>>>> hill,
[quoted text clipped - 23 lines]
> larger motor sprocket
> --
Damn! What an ingenious idea.

How does it do in lower gears? I would guess 1st/second pull better, but hit
redline sooner

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DaPlumba

Ryder Rick - 25 Sep 2008 02:59 GMT
>>>>> As far as power losses, I always figured if I had to pass a semi on a
>>>>> hill,
[quoted text clipped - 27 lines]
> How does it do in lower gears? I would guess 1st/second pull better, but hit
> redline sooner

Nope Gear spreads are the same. Deeper first gear makes up difference
of overdriven primary.
Signature

Ryder Rick
<  >

DaPlumba - 25 Sep 2008 11:46 GMT
>>>>>> As far as power losses, I always figured if I had to pass a semi on a
>>>>>> hill,
[quoted text clipped - 31 lines]
> Nope Gear spreads are the same. Deeper first gear makes up difference of
> overdriven primary.

Thank you for the suggestion. I will definitely look into this

Signature

DaPlumba

Ryder Rick - 24 Sep 2008 04:01 GMT
> Help yourself to a drink, plastic's on the bar, I've got a Limoncello.
>
[quoted text clipped - 9 lines]
>
> Plastics still on the bar, have another.

Do not get an overdrive.

Too much power loss going through the OD.

You want a direct drive 6, you then overdrive the primary.

& thank ewe for teh refreshing beverage
Signature

Ryder Rick
<  >

nunya - 24 Sep 2008 14:28 GMT
> Help yourself to a drink, plastic's on the bar, I've got a Limoncello.
>
[quoted text clipped - 9 lines]
>
> Plastics still on the bar, have another.

thanx for the coffee...

when i went to build my bike i had the same dilemma.  what brand to buy?  i
went to a somewhat local independent shop that we have a 30 year
relationship with.  the owner told me that he had installed over 30 revtech
6 speeds and only one had an issue. he said the company overnighted him a
replacement with no questions asked.  he also said he had installed almost
as many bakers and had several that were not perfect but he was able to make
work.

he recommended that i buy the revtech.  he said he would make more money off
the baker so he didn't really care which i bought, but if it was his bike it
would get a revtech.  yes the baker is made in the USA and the revtech is an
import.  but i was margining out on my budget by the time i got to the
tranny and my wrench saying he had less trouble out of the revtechs sealed
the deal.

i now have about 25k on the revtech with zero problems.  i have really
abused it at times.  while i don't have a big inch motor i still make fair
power with the ev27 cam, crane ignition and S&S carb on a factory crate
motor.  i even made a really big mistake one day when i was apparently brain
dead and down shifted when i should have upshifted during a really hard
acceleration.  it slid the rear tire i assumed i had broken something in the
tranny. once i found the correct gear there was no problem.

so here is my 2 cents.  if you are looking to pick up that extra sixth cog
and you are financially challenged, i don't think you could go wrong with
the revtech.  heck, it has a 50k warranty and you can buy two for the price
of a baker (i think it was that much of a price difference).  of course YMMV
and all the usual internet disclaimers.
michael
nobody #1 - 25 Sep 2008 02:42 GMT
> Help yourself to a drink, plastic's on the bar, I've got a Limoncello.
>
[quoted text clipped - 17 lines]
> 1979 Ironhead XLCH...... once the ride, now the project
> 1994 FXRS..................... my mistress

Nothing to do with a five or six speed but I did buy a RevTech 4 speed tranny
for my ol' Shovel once upon a time. I opened it up before installing it to
change the shift pattern to match my FX bike. It was one of the nicest looking
trannys inside I'd ever seen. It looked like it had all  cnc'd billet gears, the
shift drum I took out looked like it was cnc'd. It was nice. I had it on my bike
for about five years before I finally sold the whole bike and never had a
problem. I used to beat on it hard it was an excellent part. I know a lot of
people over the years that have bad mouthed their stuff but it seems like none
of them have actual experience with their parts. It's always a friend of a
friend of a friend had this problem or that problem.

As far as the overdrive sixth thing goes I don't know. There's a lot of 1.5
liter 2500 lb cars out there with overdrive trannies in them that don't seem to
have that problem. I'm not sure why a motorcycle that puts out as much torque as
them at 1/3 the weight would but I guess it possible.

nobody #1
Ryder Rick - 25 Sep 2008 03:08 GMT
>  As far as the overdrive sixth thing goes I don't know. There's a lot of 1.5
> liter 2500 lb cars out there with overdrive trannies in them that don't seem to
> have that problem. I'm not sure why a motorcycle that puts out as much
> torque as
> them at 1/3 the weight would but I guess it possible.

A car trans runs at engine speed. A harley trans runs at something like
1/3rd engine speed. I'm not sure how it works out, but that is the
difference.
Signature

Ryder Rick
<  >

nobody #1 - 26 Sep 2008 00:18 GMT
> >  As far as the overdrive sixth thing goes I don't know. There's a lot of 1.5
> > liter 2500 lb cars out there with overdrive trannies in them that don't seem to
[quoted text clipped - 8 lines]
> Ryder Rick
> <  >

Then the Harley should pull the load even easier if there's a gear reduction before
the power gets to the transmission.
Ryder Rick - 26 Sep 2008 02:56 GMT
>>> As far as the overdrive sixth thing goes I don't know. There's a lot of 1.5
>>> liter 2500 lb cars out there with overdrive trannies in them that don't seem to
[quoted text clipped - 12 lines]
> reduction before
> the power gets to the transmission.

There is a difference in OD ratios also. Because the HD trans spins
slower it needs a bigger ratio OD than the car.

I think the cars have a .95 OD and the HD has .80
Signature

Ryder Rick
<  >

nobody #1 - 27 Sep 2008 01:19 GMT
> >>> As far as the overdrive sixth thing goes I don't know. There's a lot of 1.5
> >>> liter 2500 lb cars out there with overdrive trannies in them that don't seem to
[quoted text clipped - 20 lines]
> Ryder Rick
> <  >

sh.t, who knows I'd say your right about the overdrive thing since I did some readin'
up on it though. I know that the Mustang's with the t-5s in 'em have a .65 to 1
overdrive on some of the older ones.

nobody #1
spacecriter (Bill C) - 25 Sep 2008 03:45 GMT
> Help yourself to a drink, plastic's on the bar, I've got a Limoncello.
>
> My '94 FXR'x tranny is getting to feelin a little iffy.
<snip a bunch>
> Anyone have any experience with
> either, good or bad?

I like the kind of tranny that sits kinda quiet at the end of the bar and
covers her mouth when giggling at the off color jokes, then smiles at your
really drunk buddy when you tell him that chick over there is checking you
out man...go for it!

> Plastics still on the bar, have another.

Don't mind if I do, but then I have to git. Really.

Signature

Bill C.  "I am NOT lost... I'm *exploring*"
'01 FXDXT
'94 Shadow VLX
yank "yercrank" to email

LarryInEastTn - 25 Sep 2008 23:20 GMT
>> Help yourself to a drink, plastic's on the bar, I've got a Limoncello.
>>
[quoted text clipped - 7 lines]
> really drunk buddy when you tell him that chick over there is checking you
> out man...go for it!

You are an evil person Bill.  I'm never drinking with you again, for fear
you'll try to set me up with someone with a "nice personality".
Signature

Larry
Don't like those kinda trannys.

spacecriter (Bill C) - 26 Sep 2008 03:36 GMT
>>> Help yourself to a drink, plastic's on the bar, I've got a
>>> Limoncello. My '94 FXR'x tranny is getting to feelin a little iffy.
[quoted text clipped - 9 lines]
> You are an evil person Bill.  I'm never drinking with you again, for
> fear you'll try to set me up with someone with a "nice personality".

I'd never, ever consider the slightest glimmer of the merest thought of
trying such a thing on you.

Need another drink?  How 'bout a shot? Is that a four speed or overdrive own
there at the en of the bar?  Hehehe...

Signature

Bill C.  "I am NOT lost... I'm *exploring*"
'01 FXDXT
'94 Shadow VLX
yank "yercrank" to email

 
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