Best heavy duty clutch kit - Kawasaki KLR 650 Forum
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post #1 of 11 Old 11-07-2019, 07:33 AM Thread Starter
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Best heavy duty clutch kit

As Im rebuilding my KLR engine and stroking it, Im planning to replace the clutch components. Ive seen the reference to KLRChris Dirt Grabber clutch, EMs Barret heavy duty clutch springs, but in my searches and reference not much other that EBCs clutch kit - springs, friction plates, and steel plates - and am wondering what else might be out there that Im not aware of. So Id like a heavy duty clutch to make sure I can use the available power from the engine without undue wear or slipping. Any recommendations?


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post #2 of 11 Old 11-07-2019, 09:53 AM
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Read this:https://www.souperdoo.com/stuff%20th...-they-thinking

Read all of it. On something other than your phone. You should come away with the thought that the OEM clutch pack is plenty strong and some KZ1000 or Barnett springs are plenty good enough.

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post #3 of 11 Old 11-07-2019, 08:36 PM Thread Starter
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Quote:
Originally Posted by Tom Schmitz View Post

Read all of it. On something other than your phone. You should come away with the thought that the OEM clutch pack is plenty strong and some KZ1000 or Barnett springs are plenty good enough.

I read it. All of it. And thank you for pointing it out. It does seem the 2009 has a pretty strong clutch, but Im still going to replace my friction and drive plates while I have it open. I just dont see a reason not to refresh the components while its all apart. I even bought EMs water pump rebuild components.

To me, its just common preventative maintenance. Id replace a perfectly good working water pump in a car when I replaced the timing chain too - assuming the water pump was only accessible when the front cover was off.

I realize its probably not needed as what I have is working. Although it has a very easy pull and no slippage that Ive detected.

Ill just feel better - if nothing else - about putting new components in there. Ill also check the basket while Im there to see if it is notched or has any other issues.


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post #4 of 11 Old 11-07-2019, 09:00 PM
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When it comes to friction materials (brake pads and clutch fiber plates), it is hard to beat the OEM stuff on the KLR. If you're going to put a new clutch in I'd recommend sticking with OEM. An OEM clutch, even used hard, will probably go 100K miles.

The OEM clutch is especially robust. My bike has the lower KLR600 primary ratio. I had it out in the desert with a 14/43 sprocket set and beat the crap out of the clutch for three days. I dug trenches trying to get out of an uphill berm, slipped it hard while climbing a dry waterfall and a hill made out of baby-heads. I abused it roosting through dry washes and tried to dig a hole to China in one dry riverbed. Convinced that I had fried the thing after that hard weekend, I found that I had worn quite a bit less than .0001" off of the friction plates. The steels were in fine shape and as flat as plate glass.

There are at least 8 complete clutches in the Shed of Horrors ranging in vintage from '85 to '14. Short stacks, tall stacks, and the new screwed-up stack, not a single one of them has a fiber plate that is worn beyond the limit or a steel that is blued or warped.

I use Barnett springs in mine and an extended clutch actuator lever from Twin Headlight Ernie.

Tom [email protected]

On the way downtown I stopped at a bar and had a couple of double Scotches. They didn't do me any good. All they did was make me think of Silver-Wig, and I never saw her again. -Philip Marlowe

'Why' and 'How' are words so important they cannot be too often used. -Napoleon Bonaparte

Sting like a butterfly.
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Last edited by Tom Schmitz; 11-07-2019 at 09:09 PM. Reason: date typo
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post #5 of 11 Old 11-08-2019, 08:56 AM Thread Starter
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Originally Posted by Tom Schmitz View Post
I use Barnett springs in mine and an extended clutch actuator lever from Twin Headlight Ernie.

Sounds like sage advice. Ill probably do the same with the springs and clutch arm to keep a similar feel at the clutch lever.


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post #6 of 11 Old 11-08-2019, 10:19 AM
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The clutch is not excessively heavy with the Barnett springs; nothing a healthy person can't handle.

I use the extended clutch actuator rod to handle what the methotrexate can't ;^)...

Tom [email protected]

On the way downtown I stopped at a bar and had a couple of double Scotches. They didn't do me any good. All they did was make me think of Silver-Wig, and I never saw her again. -Philip Marlowe

'Why' and 'How' are words so important they cannot be too often used. -Napoleon Bonaparte

Sting like a butterfly.
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post #7 of 11 Old 11-08-2019, 12:20 PM Thread Starter
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Quote:
Originally Posted by Tom Schmitz View Post
The clutch is not excessively heavy with the Barnett springs; nothing a healthy person can't handle.

I already have carpal tunnel and pinched nerves in my hand. Im on methocarbomol and pain medication, so keeping that clutch lever easy to pull and hold is important to me. I like the easy pull of the current clutch. Been surprised by just how easy a pull it has for a mechanical clutch.



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post #8 of 11 Old 11-08-2019, 07:03 PM
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Quote:
Originally Posted by Tom Schmitz View Post
Read this:
Read all of it. On something other than your phone. You should come away with the thought that the OEM clutch pack is plenty strong and some KZ1000 or Barnett springs are plenty good enough.
URL removed- new guy here...

Nice! Thanks for posting the link, great info, think my 3 day weekend will involve some reading.

Aloha,
Willi
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post #9 of 11 Old 11-08-2019, 07:56 PM
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Have fun, Willi!
Willi likes this.

Tom [email protected]

On the way downtown I stopped at a bar and had a couple of double Scotches. They didn't do me any good. All they did was make me think of Silver-Wig, and I never saw her again. -Philip Marlowe

'Why' and 'How' are words so important they cannot be too often used. -Napoleon Bonaparte

Sting like a butterfly.
Noli Timere Messorem
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post #10 of 11 Old 11-13-2019, 05:50 PM
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I would suggest looking at KG Powersports / KG Clutch Factory. They are the OEM manufacture of the stock clutch, which works the best, and sold at a fraction of the cost of the OEM parts.
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