Belt slipping on 8,25" clutch - ArcticChat.com - Arctic Cat Forum
XFR/Firecat/Sabercat Regular 128" XF / Firecat/Sabercat chassis

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post #1 of 39 Old 09-19-2016, 01:36 PM Thread Starter
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Belt slipping on 8,25" clutch

So last winter i changed out the stock 8" on my 03 sp F7 to a 8,25" clutch.I have 70g weights and the yellow/white spring.In the secondary clutch its the stock 03 red/white spring.

The belt is now slipping in the 8,25 clutch at high rpms.
It leaves a rubber mark almost at the end off the sheaves.
I read that the 06 F7r has the arctic green spring in the secondary clutch and the 035 belt.can it be so that the red/white spring is to soft and thats why my belt is slipping.
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post #2 of 39 Old 09-20-2016, 09:42 PM
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Quote:
Originally Posted by zappa1 View Post
So last winter i changed out the stock 8" on my 03 sp F7 to a 8,25" clutch.I have 70g weights and the yellow/white spring.In the secondary clutch its the stock 03 red/white spring.

The belt is now slipping in the 8,25 clutch at high rpms.
It leaves a rubber mark almost at the end off the sheaves.
I read that the 06 F7r has the arctic green spring in the secondary clutch and the 035 belt.can it be so that the red/white spring is to soft and thats why my belt is slipping.

If you have completely shifted out the secondary it is possible. The stiffer spring would slow down the upshift and keep the sled at a higher RPM. However if you have the power to pull it you can still end up with the same slippage with a stiffer spring. Maybe Cnote will chime in with some ideas.
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post #3 of 39 Old 09-20-2016, 10:05 PM
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Greg, with the last couple days events I've had a hand in, my mind is messed up right now (finally had appt to lay my fathers ashes to rest in Holly, Mi. GLNC)..

The rubber ring is more than likely coming from using a 1.4" wide belt in a primary designed to use a 1.44" wide belt... That's where I'd start... Basically, no more side load can be applied (since sheaves are bottomed out against each other), this will allow slippage then....

Who, me?! Don't listen to me.... (I don't know anything, evidently...)

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If it's cnote approved it will work good
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Originally Posted by DonoBBD View Post
That is freeking sick man........
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0637-185: '99 Sno-Pro APV (guide and button) update kit p/n...
0637-186: '99 Sno-Pro APV superseded valve inserts update kit p/n...
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post #4 of 39 Old 09-21-2016, 12:19 AM Thread Starter
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Thanks.
I will give the 035 belt a trye,may buy the green spring just in case.
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post #5 of 39 Old 09-21-2016, 05:18 AM
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The issue will remain until either taller gearing is used (to prevent sheaves from bottoming), or, you switch to a wider 1-7/16" belt of the correct outer circumference (to not bottom in the secondary)

Cat by superseding anything 8" to 8.25" clutch for replacement, has created a maize of issues for those that aren't in total understanding of all aspects of CVT operational physics (when it comes to matching correct components that originally have never had documented data as to which will work properly in harmony)

Who, me?! Don't listen to me.... (I don't know anything, evidently...)

Quote:
If it's cnote approved it will work good
Quote:
Originally Posted by DonoBBD View Post
That is freeking sick man........
Don
0637-185: '99 Sno-Pro APV (guide and button) update kit p/n...
0637-186: '99 Sno-Pro APV superseded valve inserts update kit p/n...
https://www.arcticchat.com/forum/z-z...tml?highlight=

http://www.randakksblog.com/more-on-...fear-the-corn/

"Arctic Chat is not affiliated with Arctic Cat Inc. in any way, shape or form. We are an enthusiast site run by fans."

(Are you experiencing issues with your local dealer? Feel free to call Cat Consumer Complaint @ 218-681-8558)
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post #6 of 39 Old 09-21-2016, 09:57 AM Thread Starter
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If i read this correct https://www.arcticchat.com/forum/atta...-belt-belt.png the 035 belt is shorter.and therfore not riding so high in the primary.
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post #7 of 39 Old 09-21-2016, 02:35 PM
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Greg, with the last couple days events I've had a hand in, my mind is messed up right now (finally had appt to lay my fathers ashes to rest in Holly, Mi. GLNC)..

The rubber ring is more than likely coming from using a 1.4" wide belt in a primary designed to use a 1.44" wide belt... That's where I'd start... Basically, no more side load can be applied (since sheaves are bottomed out against each other), this will allow slippage then....

o man sorry to hear that. We put both of my grand parents at holly GLNC in 2013. not a good year for sure.
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post #8 of 39 Old 09-21-2016, 03:54 PM
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Quote:
Originally Posted by zappa1 View Post
If i read this correct https://www.arcticchat.com/forum/atta...-belt-belt.png the 035 belt is shorter.and therfore not riding so high in the primary.
There is a small plus or minus.... I'll have to dig out my reference book tonight....
From what I read, you are using stock weight (70gr) of the 03 F7 with an 8.25" primary (with fixed pin design)? Correct....?

Do this, list everything in your clutching out for us to see, we may be able to go from there....?

Who, me?! Don't listen to me.... (I don't know anything, evidently...)

Quote:
If it's cnote approved it will work good
Quote:
Originally Posted by DonoBBD View Post
That is freeking sick man........
Don
0637-185: '99 Sno-Pro APV (guide and button) update kit p/n...
0637-186: '99 Sno-Pro APV superseded valve inserts update kit p/n...
https://www.arcticchat.com/forum/z-z...tml?highlight=

http://www.randakksblog.com/more-on-...fear-the-corn/

"Arctic Chat is not affiliated with Arctic Cat Inc. in any way, shape or form. We are an enthusiast site run by fans."

(Are you experiencing issues with your local dealer? Feel free to call Cat Consumer Complaint @ 218-681-8558)
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post #9 of 39 Old 09-21-2016, 05:20 PM
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AC belt dimensions

Hope this helps a bit. (I copied & saved this from another members post, thanks to original poster.....)
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File Type: pdf Arctic_Cat_Drive_Belt_Dimension_Chart.pdf (611.3 KB, 224 views)
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post #10 of 39 Old 09-22-2016, 02:06 AM Thread Starter
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Yes its the fixed pin 70g weights in a 8.25 clutch.020 belt.stock 03 secondary,red/white spring.stock helix 53/51?.
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