99 vs. 02 ZR Rear Suspension - HCS Snowmobile Forums

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Old 01-14-2020, 10:28 AM   #1 (permalink)
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Default 99 vs. 02 ZR Rear Suspension

All, looking to see if someone can explain the differences between my 1999 ZR rear suspension and 2002 ZR rear. I have found a lot of info on the 02 stuff but not much on my 99. Mainly looking for setup tips and part interchangeability as mine seems to sag as others have complained about here. I will likely be changing the rear springs to start.
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Old 01-14-2020, 12:50 PM   #2 (permalink)
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Minimal to no difference. (Very much the same as whats found in modern cats, essentially). The 02 has coupler blocks in the rear, that most guys removed anyway. Having both of your shocks rebuilt, replacing the springs, and inspecting the skid in general for wear, is where you would start if you are looking to improve the ride.
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Old 01-14-2020, 02:20 PM   #3 (permalink)
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Thanks for the response. I thought that might be the case but did not want to assume. The sled was basically torn completely down and rebuilt bolt by bolt by the last owner. Very clean unit but the rear suspension seems soft to me. I had a 99 ZRT6 that rode better and I assume that had a similar if not the same suspension as mine. Again, assuming the rear springs are the OE springs, I am going to replace them first. The shocks were done last year. I have the fox shocks but can't say I'm a big fan of pulling these things out every couple years to rebuild.
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Old 01-14-2020, 10:56 PM   #4 (permalink)
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They are essentially the same but not too much interchangeable parts. Wheels were different, spring and shock mounting was different. Also on my 99 there was no rail brace which I added. Ride quality will be mostly the same. I did remove my coupler blocks from my 02 T-Cat.
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Old 01-15-2020, 01:35 AM   #5 (permalink)
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coupled sus 02 un coupled 99
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