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2016 M8000 LTD clutch setup

ranger12

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Nov 24, 2012
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Dickinson ND
Sometime next week and weekend I will be going some place to sled and I will have the BMP clutch setup in my sled to start with. I have it set up for about 9-10K. I should be able to give a detailed report on how it performs after that.
 

catzr

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Jan 13, 2008
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Selah
2016 M8 LTD clutch setup

going with a 21/49, MDS clutching w/poo black 100/340 sprg.
that setup rocked on previous M8s, waiting for manual chain adj parts to show up, didnt plan on that. also installing pro-armour plug and play tether.
4k -7k, not changing the secondary yet, wait and see.
 
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pinko

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Dec 25, 2007
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I ended up with mds weights and black Polaris spring from mds the weights were set at 67.7 grams as per suggestions but I found I had to pull a washer off each weight to hit a decent rpm I am at 8190 on my 162 mountain cat with that setup. I should have tried it stock


Sent from my iPhone using Tapatalk

67.7 or 77.7g? 67 sounds awful light for mds
 

kidwoo

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Sometime next week and weekend I will be going some place to sled and I will have the BMP clutch setup in my sled to start with. I have it set up for about 9-10K. I should be able to give a detailed report on how it performs after that.

Any input?

Waffling between a bikeman and SSI setup. There's a hundred bucks difference there, just trying to figure out if it's worth it.
 
T

TRUEBLUEMAX

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Aug 4, 2010
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Hooper, Utah
I was out yesterday with my Bikeman kit that I got late last year. It was running a little low on rpm compared to their recommendations for my setup the first couple rides I had it out. I pulled one of the magnets before my ride yesterday and that thing ran super strong. I was very impressed with the consistency of the clutching. I don't have experience with other kits but this one seems to work pretty well.
 
M
Apr 5, 2015
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Michigan
Personnally, i run at low altitude (3000ft+-500ft).

Stock low alt clutching are a pain. After i installed 48helix, stiffer primary and stiffer secondary spring it's better but it's shifted too fast again. I tried to put some shim under secondary spring to slower the shifting, it's little better but not good. I taked a STM Progressive 44/42 and it's helped ALOT my sled. I tried 19/50,20/49,21/49 gearing and at each time that i has gear up, it's worked better. I really like my 21/49 gearing, it load the engine and it feel to push harder.

After this, i put J-13 profil weight, i found that my sled run better. I has a little problem with the logical of J13 weight profile on 4 stroke and J14 profile on 2stroke, on my brain, the inverse is better.

J13 profile is like that previous cat weight, or like Poo 10series weight....:juggle:

J14 profile are more weight on tip

Old thread but worth a shot. Marble what springs were you running with that helix? I assume stock being you never mentioned either spring.
 
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