Any experience with Magura HYMEC clutch system on SF?

G

Grunbay

New member
Location
Maine, USA
I have a recently acquired track bike - SF2. Due to an old dirt bike accident from decades ago, I have a tricky left wrist. I am searching for a solution to the hard clutch issue on the SF motors. I am aware of the clutch arm extension approach, but I wonder if anyone has sorted out the Magura "hydraulic clutch cable" system See it here:

http://www.venhill.co.uk/Downloads/HymecSelection.pdf

They state that the maximum pull on the clutch actuator should be 10mm. I measure around 16mm on my clutch arm. I'm not sure how to get around that limitation so I thought that I would ask the forum.

Any experience / ideas?
 
Going hydro seems like a disordinate amount of fuss and bother to me when the long lever conversion is dead simple and works a treat (especially if you run the shortest effective cable you can, with nice stiction-free lining). It's a job you can do in your own workshop, doesn't requite a new clutch lever (at the bars) and if you're prepping a race bike, then rivet counting shouldn't come into it.
QF
 
Agree with PB2 - plus if you lob it the expense and hassle of replacement is a pisser. I raced all my triples and SOHC twins with the extended lever at the g/box cover. As I've said before one journalist wrote that "You can pull in the clutch lever with the fingernail of your little finger" with this conversion - not quite true but makes the pull normal. - Regards - Phil
 
hi,
i had made a question a few weeks ago to magura, and they sent me all the datas i needed.
the following sheet is from magura and the plan was made for a laverda 1000 but can modified to
a 750. they sent me parts list too.
if someone needs a contact information, pm me.

m

http://www.directupload.net/file/d/3741/gin6l37n_pdf.htm
 
Hey there,
I've just gone through this process and installed a Magura Hymec on my SF2 and I can say that it's unbelievable what a difference it makes. I've even got heavy clutch springs and it feels like a modern sports bike. I've got the DAM extension on at the moment but I'll be reverting back to the original arm shortly to get a little bit more feel back into it and a bit more actuation as it's just a smidge more difficult than previous to grab neutral.
I also machined up a new perch to mount the choke lever but that may not be a concern on a race bike.
Order code; 2 100 309 says its for a Kawa Z1000. and it pretty much just bolted straight in. cheapest place seemed to be OEMCycle in Tennessee.

Cheers
Craig

View attachment VID_20211113_095120.mp4
 
CJMAC said:
Hey there,
I've just gone through this process and installed a Magura Hymec on my SF2 and I can say that it's unbelievable what a difference it makes. I've even got heavy clutch springs and it feels like a modern sports bike. I've got the DAM extension on at the moment but I'll be reverting back to the original arm shortly to get a little bit more feel back into it and a bit more actuation as it's just a smidge more difficult than previous to grab neutral.
I also machined up a new perch to mount the choke lever but that may not be a concern on a race bike.
Order code; 2 100 309 says its for a Kawa Z1000. and it pretty much just bolted straight in. cheapest place seemed to be OEMCycle in Tennessee.

Cheers
Craig

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