Jack shaft/Drive shaft Replacment

sledneck22

TY 4 Stroke Junkie
Joined
Dec 23, 2008
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Does anyone know when or how much mileage would be good to change the bearing on the driveshaft or as I call it Jackshaft? I have 6000 miles on my Apex and am thinking I might want to just go ahead and change out these bearings before one blows? Any suggestions or a link that will lead me to the corret thread?

Thanks,
 
Understandable but is it that easy to check. Does anyone have a fail safe way to check these bearings without tearing the entire machine apart? I have to replace y-pipes before season so I thought it would be a good idea to have parts ready at the same time for this if needed.
 
If u are doing the Y pipe my as well change them. Thats what I would do then U do have to think about them :o|
 
I changed mine at 10,700 miles. Did I need to? No. There was no difference between old and new. I also clean and repack them once a season. Only reason I changed them was I was replacing track and it would be all apart anyway. I still have the old ones and they roll smooth as silk.

JMO!
 
Peel the seals carefully and re-pack-em. they last as long as you do this once or twice a season. I even got the original Attak non-replaceable wheel bearings to last 3 seasons by doing this.
 


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