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Discussion Starter · #1 ·
im trying to tune the clutches on my indy 488 fan i like to know if any body ever tuned these machines to run perfect ive been fooling around with it i think i got my primary working good but i think the problem is in my secondary im runing a black spring but i see a bit of brown at the tip of the spring so its hard to tell if it were black or brown. im running the stock 36 degree helex right now ,but i have a 34 degree can some one tell me what i can do thanks.
 

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Nice double post
http://www.snowmobilefanatics.com/forum/topic.asp?TOPIC_ID=64704

Read your first one
 

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Discussion Starter · #4 ·
my primary setup is brack spring a-1 weights my engine is stock its an 1990 indy trail 488 fan
 

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Discussion Starter · #5 ·
also i like to know what weights should be in the primary for best performance i got a set of 10 m 5 as well 49.5 i think and the a-1 is 47+or - 1 let me know what would be better
 
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