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Discussion Starter · #1 ·
I am here hoping to get some updated info on replacements for the clutch plates, basket, and crush washer. I went to my local dealer in San Diego and they want some insane cash for these replacement parts and don't really want to drop 1200 for a few plates and basket. I have researched the Barnett Clutch Packs, and while looking I saw a lot of different results from people. Some say it works great others seem to have endless problems with them. Most of these comments however have been from a decade ago and wanted to know if they have the same issues or they have been rectified. If you have any experience with them I would love to hear your feedback. As far as the basket goes I have 23k miles on it and wanted to know if i need to replacement this time or next time around 40k.
 

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As far as the basket goes I have 23k miles on it and wanted to know if i need to replacement this time or next time around 40k.
Ducati considers both the plates and clutch basket to be wear items. By the time you need to replace the worn-out clutch plates the basket has been notched from the impact loads of the plates. Ducati specifies the allowable gap between the plates and basket as a quite small 0.6 mm, effectively saying to replace the basket and plates together.

Notched basket tabs will cause the new plates to hang up causing engagement problems.

Text Diagram

My experience with the service life of Barnett clutch packs is replacement around 16,000 miles, versus 25,000 miles for Ducati packs — so take that into consideration when comparing prices.
 

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why would you put a basket in an s2r800? it's a wet clutch, they just don't wear that i've ever seen. use a genuine pack - it's the adige aptc. not sure if barnett make a pack for that clutch, but i was told by barnett sellers to not use the wet clutch packs, so never have. anecdotal evidence that i have seen does support that opinion.

make sure the springs in the primary drive gear haven't failed and started falling out. they can make a real mess.
 

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Discussion Starter · #4 ·
Ducati considers both the plates and clutch basket to be wear items. By the time you need to replace the worn-out clutch plates the basket has been notched from the impact loads of the plates. Ducati specifies the allowable gap between the plates and basket as a quite small 0.6 mm, effectively saying to replace the basket and plates together.

Notched basket tabs will cause the new plates to hang up causing engagement problems.

View attachment 982752
My experience with the service life of Barnett clutch packs is replacement around 16,000 miles, versus 25,000 miles for Ducati packs — so take that into consideration when comparing prices.
Honesty for the price the Barnett is it is comparable to oem at about 10k less miles, the upfront cost however is not as steep and right now cash is tight so Barnett will probably be the route I take.The basket info is the same thing dealer told me I was just wondering if it is an always type of thing or dependent upon riding style.Looks like im going to have to still shell out about $1k sweet. Thanks for responding
 

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Discussion Starter · #5 ·
why would you put a basket in an s2r800? it's a wet clutch, they just don't wear that I've ever seen. use a genuine pack - it's the adige aptc. not sure if barnett make a pack for that clutch, but i was told by barnett sellers to not use the wet clutch packs, so never have. anecdotal evidence that i have seen does support that opinion.

make sure the springs in the primary drive gear haven't failed and started falling out. they can make a real mess.
Are you saying the baskets don't wear in a wet clutch system? As far as the spring check goes is this to see if this is the issue with slipping or when i replace the plates? I planned on checking the springs, crush washer and basket when the plates are replaced. Thanks for responding I'll have to give Barnett a call about the wet clutch plates.
 

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I agree with Brad.
In fact you might be able to pull your engine ship it to him in Australia, have him fix it and still be less than $1200

No basket needed just the clutch pack. Yes you want a oem pack so buy that for under $400 and have someone change it in about an hour if they are old and slow like I am. Good time to change the oil so you might spend $600 using factory parts and having a pro do it .

If you hold a gun to my head I would use a Barnett in a Ducati but at the same Time I understand you will be the one to suffer from it with clutch drag and faster wear. Oem clutch packs in your wet slipper last so well I do not stock clutches even with a number of them used in race/track bikes with 20% higher HP.

You never did say why you need one?
mileage on the bike?
Do you use the slipper function a lot (race use)?
 

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eric, how well does the slipper function of them work? i've never gone down a couple of gears and dumped the clutch on a customer's bike to find out, just can't bring myself to do it. do you "tune" them at all?
 

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Discussion Starter · #9 ·
I agree with Brad.
In fact you might be able to pull your engine ship it to him in Australia, have him fix it and still be less than $1200

No basket needed just the clutch pack. Yes you want a oem pack so buy that for under $400 and have someone change it in about an hour if they are old and slow like I am. Good time to change the oil so you might spend $600 using factory parts and having a pro do it .

If you hold a gun to my head I would use a Barnett in a Ducati but at the same Time I understand you will be the one to suffer from it with clutch drag and faster wear. Oem clutch packs in your wet slipper last so well I do not stock clutches even with a number of them used in race/track bikes with 20% higher HP.

You never did say why you need one?
mileage on the bike?
Do you use the slipper function a lot (race use)?
Tell Brad he has a deal haha. I wonder if someone at my dealership was just trying to make a few more pennies. I'll be curious to see the condition the basket is in when I open it up. The reason I am asking is because the clutch is clearly slipping at about 3500 rpm until it catches itself at about 5500 rpm. (All of this happens once it is warmed up at about 150 degrees)

Like I said it has about 23k miles on it so the clutch is at the end of its life. I don't track the bike or anything but do go on some more "spirited rides" and occasionally with a down shift that the revs were not perfectly matched the slipper intercedes. I bought the bike at 17k miles on it so i have no idea how it was treated before that.
 

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Discussion Starter · #10 ·
eric, how well does the slipper function of them work? i've never gone down a couple of gears and dumped the clutch on a customer's bike to find out, just can't bring myself to do it. do you "tune" them at all?
While I have had it the rear has never locked up on it with any of my down shifts, but I don't track it so extremely hard down shifts I have no idea.
 

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Lol.. I would cut you a deal for 1199.00

You may find a broken clutch plate or something similar. Yes if it was used for burnouts by the prior owner all bets are off but I would say 23,000 miles is low for having a slipping clutch. This same clutch is sold to end users for 700-900 and I have installed them in Aprilia sxv550's. Yes it does work just fine as a slipper clutch and you can buy tuning kits with different shims /springs to tune it. Tuning can be done with stiffer springs but most of the time is handled with preload shims.

If the fiber plates are not badly worn and you do not mind taking it apart once in a while I would start by adding spring preload first. Where you are describing the slipping is common on wet clutch bikes with too little clamping load on them. Aslo be aware some oils do not play well with wet clutches.
 

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i had one slipping after 12,000km or so in a restricted (learner legal) m620, so it's quite bizarre what happens.

make sure there's no hydraulic issues either, like the compensating port blocked in the master or lever adjustment screwed in.
 
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