14 replies to this topic

[McLovin]

2500 miles on this sled i bought and looks like the clutching will need some maintenance just based on running it around the yard and fields.  Seems to work well at higher RPMs but not as it should IMO at the lower range.  Engagement is running around 4200-4500 and i'd like it about 500 rpms lower for my kid. I see that the spring is purple blue at 160/290

 

What is the spring load on the secondary spring so i can cross reference and get some aftermarket.  

 

thx!

Edited by McLovin, 13 January 2021 - 01:12 PM.

[TwoRevs]

The secondary should be 14-16 lbs with a fish scale.

 

Just get brp primary spring.. possibly the one in bold.

 

100-290 YL/BL 414818000

100-320 YL/PR 414678400

130-200 BL/ORG 414639000

130-230 BL/YL 414689500

130-260 BL/GR 414817700

130-290 BL/BL 414689400

130-320 BL/PR 414817800

130-350 BL/PK 414916300

150-240 WHITE 414605600 

160-230 PR/YL 415015300 

160-260 PR/GR 415015400

160-270 YL 414605500

160-290 PR/BL 415034900

160-320 PR/PR 414817900 

160-350 PR/PK 414949500

160-380 PR/WH 417222703

Edited by TwoRevs, 13 January 2021 - 02:04 PM.

[TugHill800]

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[TwoRevs]

Found this for your secondary. 

probably C-6 for your sled

 

[TugHill800]

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[McLovin]

much appreciated guys.  Looks like the spring is beige in the secondary.  will check for C6 as well.  

[TugHill800]

Hey if your wanting to change things and not quite sure of what changes to make ibackshift.com is a very helpful page


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[McLovin]

i did find that ibackshift.com after the fact.  Still navigating around a skidoo as i've always had Polaris sleds and know them pretty much inside out.  

 

What would you suggest for a secondary spring considering the spring isn't available anymore from Bombardier.  part # 414558900

Edited by McLovin, 13 January 2021 - 02:37 PM.

[TugHill800]

Do you know what the spring rate is for that part number?


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[TugHill800]

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Edited by TugHill800, 13 January 2021 - 02:47 PM.

[TugHill800]

https://thecrankshop...lbs-060115-l4-2


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[TwoRevs]

 

 

What would you suggest for a secondary spring considering the spring isn't available anymore from Bombardier.  part # 414558900

You do not need to change your secondary spring..  just use the chart above but personally I would keep it in the stock holes. It wont effect engagement at all. 

 

If you use this spring (130-290 BL/BL 414689400).. it will drop your engagement just like you want. Going from 160 start to 130 start.

[TugHill800]

You do not need to change your secondary spring.. just use the chart above but personally I would keep it in the stock holes. It wont effect engagement at all.

If you use this spring (130-290 BL/BL 414689400).. it will drop your engagement just like you want. Going from 160 start to 130 start.

Two revs is right you don’t have to change secondary spring but probably a good idea as then you won’t need to do anything but keep them clean and inspect them for a few years. I would say if it’s a stock spring given the age I would change it if it were me and for 30$ saves you from putting the primary together and finding out that the secondary is spanked and having to wait for parts and mess with em again


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[grover]

Figure about 100 rpms per 10# change in force. So going from 160 to 130 initial force will drop your engagement about 300rpm's. It'll load the motor through the rest of the shift until full shift. Should work well.

 

-grover

[McLovin]

Figure about 100 rpms per 10# change in force. So going from 160 to 130 initial force will drop your engagement about 300rpm's. It'll load the motor through the rest of the shift until full shift. Should work well.

 

-grover

this is what i was thinking as well.  $60 in springs for the rest of the season and i'll go through the clutches when putting them away