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changing length of pro-action rails

kartman33

Newbie
Joined
Mar 1, 2006
Messages
4
Age
52
Location
fife lake
Country
USA
Snowmobile
apex
question..... putting a 144" track in a proaction chassis. I have a handful of proaction skids to use. I can do this several ways. i have a 136" rails and a complte 141" skid . If i used the 136" i could just get extensions to 144", if i used the 141" i could just move the whole skid back 1.5" couldnt I? I would be changing from 9 tooth to 8 tooth drivers as well. I know the extensions for a 136" have differnt lengths between 8 and 9 tooth drivers. The 141" skid originally had 8 tooth so are the measurements different ? i would have to move the upper and rear mounting points back equally as well correct ? A 121 to 136 is about 7 5/8 further back for upper and rear.... please help
 

i would not go with the set back. if trail riding, it makes the steering heavy.
 


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