Got a new primary for my 05 F7 snopro what should go in clutches springs? - HCS Snowmobile Forums

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Old 01-14-2015, 12:23 PM   #1 (permalink)
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Current Sled(s): 2019 900 renegade turbo
Previous Sled(s): 250 Bravo, 3 340 Indy's,05 F7 sno pro retro,2016 & 2018 1200
Location: NB Canada
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Default Got a new primary for my 05 F7 snopro what should go in clutches springs?

So I bought the sled used a couple years ago. Last trip out a weight stuck into the spider & the sled wouldn't idle when I tried to stop as clutch was stuck engaged. Mechanic said it was worn out sled has at least 8k miles on it. So I bought a new clutch & pick it up today. Previous owner did some racing with it & put the 10.4 secondary on with a helix that says ODS9. It has an orange spring in it but I also have the stock green one & stock helix.

Read on here speedworx recommended stock spring & weights with the 10.4.

Primary had what I think were 78 gram weights (one side says dpr 78 w the other has 01pz). Spring is yellow with a white stripe I also have a red one for it.

Looking for advice. Consulted the spring rate charts but unsure who makes what I have cat/epi etc.

Did a lot of searching on here & this setup wasn't on I came across.

Thanks
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Old 01-14-2015, 12:26 PM   #2 (permalink)
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Current Sled(s): 2019 900 renegade turbo
Previous Sled(s): 250 Bravo, 3 340 Indy's,05 F7 sno pro retro,2016 & 2018 1200
Location: NB Canada
Favorite Riding Area: Somewhere scenic
19-20 Mileage: 4000
18-19 Mileage: 7400
17-18 Mileage: 6000
16-17 Mileage: 6000
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78 gram weights are no good but I have the stock 75's... Wondering what springs & helix to run with those.
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Old 01-22-2015, 03:32 PM   #3 (permalink)
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You want the 78's, 75's are way too light
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Old 01-24-2015, 09:03 AM   #4 (permalink)
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My opinion just purchase the SpeedWerx primary clutch kit:
CKAF7-3 CLUTCH KIT, '05-'06 XF / FIRECAT 700 STK OR W/ SPX 1 1 $130.00 $130.00

I just replaced the primary kit due to a worn clutch and weights. I do have the secondary kit also installed. The combination is a tremendous increase over stock.
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Old 01-25-2015, 12:54 AM   #5 (permalink)
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Yellow with a white stripe is stock, stick with your current set up, get new 78 gram Dalton weights at Daltonindustries dot com , and a orange/black cat primary spring.
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