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  #1  
Old 19th September 2009
DC in PHX DC in PHX is offline
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Default Barnett Scorpion Clutch: Must Install Plates Dry...Why

The instruction for the Scorpion clutch say to install the plates dry. It was very clear that the plates were not to be soaked before installation.

OK, fine, no problem.

But why????

Just wondering...Anyone know how come?

Thanks

DC
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  #2  
Old 19th September 2009
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I have no idea to answer your question. Looking at the instructions online from their site, it says to soak them for 10 minutes.

Quote:
4. Presoak friction disks in lubricant for approximately ten
minutes. Wipe dry with lint-free towel prior to installation.
This being installed on your '99?
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  #3  
Old 19th September 2009
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Default

Also, under Barnett's FAQ questions for Harley's:

Quote:
Proper installation
Make sure all parts and surfaces are clean and all plates are flat. Be sure the clutch pack is correct in number and thickness (See Tip #4). If the clutch is to be run wet, pre-soak the friction plates for 5-10 minutes in primary oil. Install components in the proper order and torque all bolts, fastener, etc. to proper specs and sequence. If you are unsure, check your service manual.
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Old 20th September 2009
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Might they swell up a little when wet and have a hard time getting all together? Thats all i can think of, but who am I.
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Old 20th September 2009
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Thanks for the assist SLD,

The instruction sheet I got looks totally different than the online instructions

Also

The instructions I have include a fluorescent green notice thet says "DO NOT pre-soak Barnett clutch plates used in Harley Davidson wet clutch apllications. Intall all plates dry, as packaged"

My instructions also say not to use formula plus, but to use type F tranny fluid or a light viscosity, motorcycle specific oil designed for use in wet primary applications (isn't that what formula plus is??).

I wonder if this is something new??

Interesting

DC

Last edited by DC in PHX; 20th September 2009 at 01:14..
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Old 20th September 2009
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Quote:
Originally Posted by Screw Loose Dan View Post
I have no idea to answer your question. Looking at the instructions online from their site, it says to soak them for 10 minutes.



This being installed on your '99?
yes, on my '99

DC
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  #7  
Old 20th September 2009
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Might wanna give the manufacturer a call?

Wouldn't wanna mess anything up..


...Dan
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Old 20th September 2009
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Quote:
Originally Posted by DC in PHX View Post
Thanks for the assist SLD,

The instruction sheet I got looks totally different than the online instructions

Also

The instructions I have include a fluorescent green notice thet says "DO NOT pre-soak Barnett clutch plates used in Harley Davidson wet clutch apllications. Intall all plates dry, as packaged"

My instructions also say not to use formula plus, but to use type F tranny fluid or a light viscosity, motorcycle specific oil designed for use in wet primary applications (isn't that what formula plus is??).

I wonder if this is something new??

Interesting

DC
Definitely sounds odd after looking at all their online information. I have no idea how mine was installed (I had my Indy do it at the time...a couple years back before I had garage space). Worth a call to them. Keep us posted.
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  #9  
Old 21st September 2009
DC in PHX DC in PHX is offline
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OK, here is the scoop:

This is my e-mail to Barnett tech support:

Hi,

I recently purchased a Scorpion clutch for my '99 Sportster. I really like the clutch so far. But I do have a couple of questions.

The instructions included with the clutch said to not soak the plates before installation. I was just curious to why the plates need to be installed dry?

Also, the instructions said not to use HD Formula Plus primary fluid, but to use type F tranny fluid or a lightweight motorcycle specific primary fluid for use in wet clutches (isn't that what Formula Plus is??). I was curious as to why not to use Formula Plus? What could happen if Formula Plus is used?

Thanks for satisfying my curiosity on these points.


Here is the reply from tech support:

Hello,
Formula Plus is a good oil and can be used.
Scorpion plates are larger and denser then the O.E.M. material.
Formula Plus is a thick oil and it has a tendency in colder temperatures
of sticking the plates together making shifting and neutral harder to select.
Oil in the primary is for lubrication of bearings & gears also for
cooling purpose
The material we use will run wet or dry. Pre soaking the plates
makes the plates stick together during brake in period.

Hope this helps

Thank you for choosing Barnett Performance Products.

Best Regards


So, I guess it is fine to use Formula Plus since I live in Phoenix, but I guess if you live in cold weather, go with type f tranny fluid. Also, presoaking the plates makes them stick during break in, so presoaking is a no-no...

DC
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Old 21st September 2009
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I have an Energy 1 and I use B&M Trick Shift automatic trans fluid in mine. They said they did not have a great deal of experience with Formula +, but did with type F ATF fluid. and not soak??? if they are concerned about the clutch pack sticking during break in, one wonders what is happening with them under normal operation? when they are partially submerged in oil? i would think soaking prior to installation would be the standard.
but then what do i know???
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