Mono shock spring values question

youngdman

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Location
South Portland, Maine
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USA
Snowmobile
2006 Yamaha Apex
Does anybody know what the the spring size equals to actual weight value for the rider on the mono shock.

Yamaha offers three different big boy springs;

63.7n/mm for $145 I'm thinking @300lbs

68.6n/mm for $145 @330lbs

78.5n/mm for $277 @400lbs

Anyone know the answer?
 


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