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What I've always wanted to know about clutch weights.

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  #1  
Old 10-17-2007
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Default What I've always wanted to know about clutch weights.

Hi, clutch dummy here with a few questions. :

Can someone tell me what the numbers in clutch weights refer to?

For example: 10-60, 10-62, etc.
I understand that the 2nd number refers to the weight in grams, correct?
Does the first number make reference to the dimensional size of the weight?

Additionally, how to the various gram weights affect clutch performance? Ie: do higher gram weights offer more torque on bottom end, and lighter weights offer more top speed, or whatnot?

What (if any) affects clutch RPM engagement?



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  #2  
Old 10-17-2007
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Default What I've always wanted to know about clutch weights.

It's a combination of weight, spring resistance, and ramp angle.
A lighter weight will require higher rpm's to make the sheave move.
A heavier weight will engage at a lower rpm.
Combine this with spring stiffness and different ramp configurations (convex, concave, stepped) and you are getting into a real "Black Art".
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  #3  
Old 10-18-2007
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Default What I've always wanted to know about clutch weights.

in polaris weights the first number 10 or some might be 10m , 10b, whatever it is, its an indicator to the style of weight. like the 10-xgrams ie;10-62 or 64 are all trail aggressive wieghts whitch are great for trail riding. when you get into the old narrow wieghts like 10m-53 it could actually be a 51 gram mod style weight. meaning where the weight sits at idle in relation to the roller and clutch is different and you might need to reshim the spider or the weight will be locked.
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Old 10-18-2007
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Default What I've always wanted to know about clutch weights.

Thanx Madcow.....I feel slightly more intelligent



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Originally Posted by OCR
you are getting into a real "Black Art".
Much to learn about clutching, I have. Yes.

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  #5  
Old 10-18-2007
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Default What I've always wanted to know about clutch weights.

the things ocr is correct statements, but another thing I have learned is that on the primary springs sometimes you can dial in rpms with a spring change and other times you will make a huge spring change to recieve little operating change. I have a pretty stout aaen spring in my sled on the primary and a lot of companies told me that I wouldnt be able to shift it. it is the highest mph spring I have had yet!
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If the boner police are here I need a lawyer.

in a time of deciet telling the truth is a revolutionary act. george orwell.

aint no body ripin like me. M to the a-d-c-o-w. rock it hard for my fly ladies. I rock it yes in deed. homies still roll with me. money dont change me


nothing goes like 3 holes.

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