Everything I have read here indicates driveshaft failure at some point above 8000 miles. I am coming up on 9000 miles on my Attak and was going to change it out before the snow flies. I am wondering if the extroverts are the way to go when I make the change and any differences they make. Thanks.
I swapped out my driveshaft at 11k. Went with a newer Apex shaft with extro's on it. Have not notice any significant changes in performance in the last 800 miles of trail riding as of yet.
thor452
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extro's are to allow you to run your track loose without it ratcheting. you have to have all open windows on your track to use them. running a loose track has been credited to better top end less slide wear and better fuel millage. I have no proof of any of these claims as I have always run my track to spec and never had issue with ratcheting.
Teamblue4
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Depends on your riding style.
hibshman25
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Most drive shaft failures occur when guys loose speedo bearings. If speedo bearing is maintained your chances of failure decrease.
Another contributing factor is whether you have a studded track. A studded track will place more torque on the drive line components. A non studded track will break
free more often and therefore release the torque and stress from drive line.
I have good used shafts with lower miles here in stock. Many are from vector, which are the same but lower hp sled which means less stress on it. I also have extroverts and could install them. Send me a PM if interested or any questions.
HighSpeedLowDrag
Pro
Every broken driveshaft I have seen started cracking where the locking collar set screw on the drive sprocket next to the chaincase bears down. It is easy to slide the collar away and inspect that spot, then the collar can be rotated to put the screw at another location without removing anything. Don't overtighten the set screw as any deformation of the shaft can initiate a crack.
