Track tightening with compression

N

Needmoresnow

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Feb 6, 2011
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Location
Lakeville, MN
I recently put a 144 on my viper. I used extentions from 121-136 and moved the skid back 4 inches.

My problem now is that the track gets banjo tight, when the suspension compresses. I made a template off of the old mount holes so I'm pretty sure they are positioned correctly.

Right now I have about 1-3/4 inches of track hang with no weight, but it gets very tight when it is compressed. Are there any adjustments that can be made to fix this?

I have tried loosening the transfer rods and that did seem to help, but I dont know how far I can go with them.

Any ideas?
 

Seems odd, are you sure the skid is working properly?? Did you have the skid apart,,like the arms,shocks, etc. Just wondering if something is put together wrong.

Also, how are you compressing the skid to check the track tension??
 
I took everything apart and greased everything. Everything moves freely and is working properly otherwise.

I'm compressing it without the rear shock in place.
 
That's the #1 reason I swapped out the Yammie skid on my sled. The reason it does it is the angle of the W arm or whatever you want to call it is steeper than the approach and back angle of the track so when it compresses it pushes the skid back farther than it should to maintain track tension.
 
suva57 said:
That's the #1 reason I swapped out the Yammie skid on my sled. The reason it does it is the angle of the W arm or whatever you want to call it is steeper than the approach and back angle of the track so when it compresses it pushes the skid back farther than it should to maintain track tension.
Click to expand...

ok, were you able to make any adjustments to make it work? what skid do you have in it now?

How does mpi do it with their kit, I believe they still use the w arm.

Does anyone have the mount template for the mpi kit, using 121 viper skid with 121-136 extensions, and 144 track?
 
I have a skidoo skid now, I'm pretty sure MPI runs the track loose with anti ratchet drivers.
 
If You remove the transfer rods, and run the MPI transfer enhancement straps, you will not have the situation you are refering to. Actually upon compression, the track will loosen slightly as it will move up vertically rather than up and back as the current method with the transfer rods. Al
 
alswagg said:
If You remove the transfer rods, and run the MPI transfer enhancement straps, you will not have the situation you are refering to. Actually upon compression, the track will loosen slightly as it will move up vertically rather than up and back as the current method with the transfer rods. Al
Click to expand...
It still will tighten when the front skid shock compresses.
 
alswagg said:
If You remove the transfer rods, and run the MPI transfer enhancement straps, you will not have the situation you are refering to. Actually upon compression, the track will loosen slightly as it will move up vertically rather than up and back as the current method with the transfer rods. Al
Click to expand...


Very interesting! That would make sence because when I loosened up the transfer rods the situations got better.
 
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