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Tension wheel grooved

Byam

TY 4 Stroke Guru
Joined
Apr 23, 2015
Messages
793
Location
En Motoneige
Country
Canada
Snowmobile
SW2017
custom
Hi guys,

The season of love and maintenance...:)

It’s been bothering me for a long time..... The groove is pretty bad and the tension wheel works crooked

BOP ,mainway. WE NEED bushing for tension wheel .



(Pictures VIPER xtx 2016 14 oookm)
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Here is the fix!

I am NOT selling this, i just wana share what can be done to fix it :)

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Nice fix. Did you loc-tite it on? Did you turn that piece yourself?
 
Hi guys,

The season of love and maintenance...:)

It’s been bothering me for a long time..... The groove is pretty bad and the tension wheel works crooked

BOP ,mainway. WE NEED bushing for tension wheel .



(Pictures VIPER xtx 2016 14 oookm)
View attachment 157160 View attachment 157160 View attachment 157161



Here is the fix!

I am NOT selling this, i just wana share what can be done to fix it :)

View attachment 157162
View attachment 157163
View attachment 157164

Very nice remedy!
But just how loose was your chain???
To cause that much of a cut into the tensioner perch , that tensioner must have bouncing like a babies rattle..... So you have been monitoring this between chaincase services? You will get grooving on this perch, inherent due to design and dissimilar hardness of metals, but there was something else going on with the setup.....
Again GREAT workaround fix!
Thanks for sharing.
Cheers
 
Nice fix. Did you loc-tite it on? Did you turn that piece yourself?
No it's tack weld to tensioner, made by one of my sled buddy.... I have noticed first on my viper back in 2015
Haven’t seen any with more than 10 oookm without this groove. I am not doing this for living it's a pasion , :sled1::sled2:but i do see lots of sleds in my garage during winter .
 
-/+ 3 oookm later works flawless.
It’s the first time i see upper gear bushing almost worn equally.o_O I am now 99% sure this chain is working crooked because of the tension wheel . I am surprised that there is no speed shop that have adress this problem. It’s definitely NOT an isolate case ....
 

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It’s the first time i see upper gear bushing almost worn equally
Could this be a factor in uneven bushing wear? That post is just cast, maybe the casting is inconsistent enough to cause uneven chain pressure? Or trying to make the chain walk to one side?
Good find.
something to consider next time I have a case apart.
 
Could this be a factor in uneven bushing wear?
I think so now! BUT.... What bothers me and put lots of interogations is the way the chaine ride, it’s the opposite side that should wornout first and its not the case

That post is just cast, maybe the casting is inconsistent enough to cause uneven chain pressure?
Sure soft casting...lol
Even bran new there is to much play in the tension wheel in my opinion, after xxxx miles tension wheel start to make itself a groove and it’s getting worst and worst. Another CAT thing ;):D
Or trying to make the chain walk to one side?
Good find.
something to consider next time I have a case apart.
 
Agree about stock bushing ! I have the stronger bushings for a while.... Even whit better bushing ,i can see where it ride and wear the most. I dont think i have found the caramilk secret :) but surely a good upgrade for this questionable inginered chaincase !
 
Nice looking piece.
Someone should copy it from them like they do others products and price it right instead of way over priced like all their stuff.

Travis, you see this?
 
NOT MINE seen on social
Looks good. Nice job #pefi


View attachment 171415
Looks nice. Wonder how that shoe holds up over time vs the roller? They sell the shoe on there site to replace the roller but I don’t see this setup yet. My pivot post is getting a groove in it as well I was thinking of making a sleeve like the earlier post.
 
Nice looking piece.
Someone should copy it from them like they do others products and price it right instead of way over priced like all their stuff.

Travis, you see this?

While they may have done this with my product there is no way I'm not going down that path. I've worked hard to earn the respect of customers and I'm not going to tarnish it. It's really a shame for PEFI that some people refer to them in this manner now. Sure they may have sold product by doing what they did, but at the end of the day respect is more valuable than money.

The way I see it, the only way that post sees wear is if the chain is loose. Loose chain allows that tensioner to pivot back and forth under acceleration and braking. Now if adjusting tension was easier and people could stay on top of it "on the fly" that could certainly eliminate this problem. I do have a pretty cool idea for this and hope to make it a reality this offseason.
 


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