• Husqvarna Motorcycles Made In Sweden - About 1988 and older

  • Hi everyone,

    As you all know, Coffee (Dean) passed away a couple of years ago. I am Dean's ex-wife's husband and happen to have spent my career in tech. Over the years, I occasionally helped Dean with various tech issues.

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    Thanks for your patience and support!

Clutch spring Barnett vs oem ?

toolie

toolie

Husqvarna
AA Class
Why is there such a big difference between the oem and Barnett clutch springs?

BTW, I'm replacing the clutch with Barnett fiber and steel plates. I also machined the wear on the aluminum clutch hub.20220810_073413.jpg
 

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the length wire thickness and coil count determine the spring pressure at different lenghts
you will need to measure the spring rate at closed and open to determine if its higher or lower
not sure but probably considered before including
 
I have put them in 4 of my bikes, they work great. Much lighter to pull and never had any issues with my clutches slipping.
 
If you want to know for sure compare the two different springs on a valve spring compressor/tester. Your local machine shop should have a tester if you don't.

Marty
 
Thanks, I was a little concerned the spring force might be a little light. I'm sure Barnetts calculations are correct, if anything the Husqvarna spring specs seem a bit odd. With the amount of preload on the installed spring then the actual travel while pulling in the clutch lever in, it looks like it might be close to bottoming out.
 
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