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General Category => General Discussion => Topic started by: apex1397 on August 28, 2017, 07:42:12 PM
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Helping a friend set up a Cozy sidecar to his Triumph. Sidecar suspension seems very stiff. 200 lbs.In the sidecar does not compress the shock at all. Any Cozy owners out there. Doesn't seem right but I am not familiar with Cozy sidecars.
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I'm tell you what I did with the Cozy torsion suspension. Took it apart looked at it throned it away along with the wheel. Bought a adjustable 450 lb.torision axel unit(smallest I could find) added removed from the splined shaft and extended the shaft with the axel attached to and extended it 2 in. And then put it back on the splined shaft(rubber not damaged) .And now it actes about like 200,250 lb. torsion axel. Then I had move the axel forward 2 in , so I could keep the sidecar axel between 12 & 16 in. forward of rear axel of bikes. That's just some of the changes I've done. P.S. Lower side car to about 4in. off the ground. And tubeless tire Rudyr
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I have never had a cosy Hack but all the stock sidecars I have had were stiff on the suspension.
I have built using the torsion axle of the same weight and it worked well.
The stiffest one I had was a Steib in the sixties but it was old when I got it.
The softest one was one I built using a rear shock from a 650 Yamaha. I changed for a shock I got from a sidecar company in Iowa. That stopped the wallowing and it was rock solid up over 100 MPH.
I have had 12 sidecar machines now. Half of them I built from scratch.
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This sidecar uses a coil over shock for suspension. SIdecar seems very light on right turns with the shock topped out.
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I hacked a 2010 cast wheel Bonnie with a Cozy car. I also thought the supplied shock was WAY too stiff. When I removed that junk (along with the tire, tube, and wheel bearings which were also junk) it was next to impossible to compress in a shock tool.
It was replaced with a VW shock. The part number escapes me but anything would be better than OEM from Cozy.