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Heavy clutch

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Heavy clutch

Posted by gary_knowles at August 17. 2017

My question is, would a clutch actuator lever from a dommi/atlas make my clutch easier to pull in.

Please no essays on clutch stack height. All my plates are good size.

Tried another plain plate & it just made the clutch slip.

Re: Heavy clutch

Posted by Colin Peterson at August 18. 2017

According to David Comeau, yes – scroll down to the heading 'Atlas Actuator', past the essay on stack heights ...

http://atlanticgreen.com/ndnsclutch.htm

But I haven't tried it.

Re: Heavy clutch

Posted by karl_nixon at August 18. 2017

Previously Colin Peterson wrote:

According to David Comeau, yes – scroll down to the heading 'Atlas Actuator', past the essay on stack heights ...

http://atlanticgreen.com/ndnsclutch.htm

But I haven't tried it.

The stack height is the key an as much has been written about it as isolastic clearance. But as with both get them right and the bike will be a joy to ride.

Re: Heavy clutch

Posted by Katherine Scott at August 18. 2017

Previously gary_knowles wrote:

Tried another plain plate & it just made the clutch slip.

Hi Gary

I have been up and down the stack height thing on my Mk3 and as you say an extra 2mm steel plate also  made mine slip during spirited riding.  I had a better result replacing one of the standard 2mm steel plates with a 3mm steel from RGM  it improved the heavy lever situation with out any slip.  I went on to make a hydraulic conversion for the final step.

 

 

Regards

 

Katherine

Re: Heavy clutch

Posted by robert_tuck at August 18. 2017

The actuator lever inside the box does benefit from a liitle re profiling with a oilstone to remove the sharp bump.

Re: Heavy clutch

Posted by Fritz Wettstein at August 18. 2017

Previously robert_tuck wrote:

The actuator lever inside the box does benefit from a liitle re profiling with a oilstone to remove the sharp bump.

Or you can trim it with a dremel to the profile as stated by David Comeau here on the drawing attached.

Fritz

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Re: Heavy clutch

Posted by peter_stowe at August 18. 2017

I have a Dommie/Atlas lever in my Commando. In my opinion it doesn't make the clutch lighter, but removes that 'over center' feeling with the standard set up. it's worth doing.

Re: Heavy clutch

Posted by david_evans at August 18. 2017

The over centre bit is the diaphragm spring working as it should

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