2017 SBA clutch upgrade - HCS Snowmobile Forums

Switchback Assault/SKS/RMK (AXYS Platform) This is a brand-specific forumand a 100% NO BASH Zone. Posts on this forum are assumed to be questions aimed at similar model owners, and are not looking for comments of a sarcastic or "bashing" nature. Please be aware that if you violate this policy you are in danger of losing your posting privileges on this website.The calling out or posting of another members personal information IE phone number or address is prohibited.

Like Tree1Likes
  • 1 Post By patrioticinnovations
Reply
 
LinkBack Thread Tools
Old 05-17-2019, 05:23 PM   #1 (permalink)
Newbie
 
Join Date: Apr 2019
Posts: 9
Default 2017 SBA clutch upgrade

I just put on a new 2” track and changed my gears to 21-41. I like to upgrade the clutch spring and weights. Any suggestions. I’m over 50 and don’t want to pull my arms out of their socket
Local318 is offline   Reply With Quote
Sponsored Links
Advertisement
 
Old 05-17-2019, 06:12 PM   #2 (permalink)
Super Advanced Member
 
OutKast's Avatar
 
Join Date: Nov 2004
Posts: 8,850
Current Sled(s): 2017 SBA 800 2015 INDY 800 2015 INDY 550
Previous Sled(s): Couple D8's
Location: Eastern Canada
16-17 Mileage: 1400
Default

Just grab a 120/320 primary spring and Dalton Adjustables QAP3s.
__________________
Want to see the under powered Polaris 800 kick ass in stock and modded form...Click the links...
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
OutKast is offline   Reply With Quote
Old 05-17-2019, 07:09 PM   #3 (permalink)
Newbie
 
Join Date: Apr 2019
Posts: 9
Default

Quote:
Originally Posted by OutKast View Post
Just grab a 120/320 primary spring and Dalton Adjustables QAP3s.
Thanks I’ll look into it. Is it hard to replace the spring and weights??
Local318 is offline   Reply With Quote
 
Old 05-18-2019, 08:24 AM   #4 (permalink)
Super Advanced Member
 
Join Date: Apr 2016
Posts: 252
Current Sled(s): 17' SBA 800 1.3
Location: DeKalb Il
Favorite Riding Area: U.P. Michigan
Riding Since: 1970
Default

As long as you have some type of clutch compression/holding fixture, it's easy
sleddog66 is offline   Reply With Quote
Old 05-18-2019, 08:27 AM   #5 (permalink)
Super Advanced Member
 
Join Date: Apr 2016
Posts: 252
Current Sled(s): 17' SBA 800 1.3
Location: DeKalb Il
Favorite Riding Area: U.P. Michigan
Riding Since: 1970
Default

Oh, and if you fixture is the kind that needs the clutch removed from the sled, you'll need a clutch puller. They do make holders to do the job on the sled
sleddog66 is offline   Reply With Quote
Old 05-18-2019, 09:32 AM   #6 (permalink)
Super Advanced Member
 
patrioticinnovations's Avatar
 
Join Date: Sep 2005
Posts: 14,334
Current Sled(s): 2015 AXYS Pr-S SB Ann 800, 2019 Indy 850.
Previous Sled(s): 2003 XCR 1100, 2000 XCR 800, 2005 Redline Revolt 800.
Location: SE Lower Michigan
Favorite Riding Area: Cadillac, Gaylord
18-19 Mileage 849 so far
17-18 Mileage: 1280
16-17 Mileage: 1115
15-16 Mileage: 1310
Riding Since: 1982
Default

All that's needed to do job in sled is a large washer that will fit over the clutch retaining bolt and press against the cover. Then just remove the retaining bolt, install large washer and use it to partially compress the clutch.

Must remove belt first.

Apply just enough compression force to allow removal of the six bolts holding the clutch cover.

Once removed, unscrew the clutch bolt, gradually releasing spring tension. Now cover and spring can be removed. Weights can also be removed.

Use a dry marker to place an alignment mark on the cover and the movable sheave to make sure the cover goes back to its original position and maintain balance. There are Xs on the cover and movable sheave to do this, but can be hard to see.

Do not over torque the cover bolts. Torque the retainer bolt to 80 ft lbs.
caddisfly likes this.
patrioticinnovations is offline   Reply With Quote
Old 05-20-2019, 07:13 AM   #7 (permalink)
Newbie
 
Join Date: Apr 2019
Posts: 9
Default

Thanks for the info.
Local318 is offline   Reply With Quote
Old 05-20-2019, 07:59 AM   #8 (permalink)
Banned
 
Join Date: Mar 2011
Posts: 9,265
Default

Quote:
Originally Posted by Local318 View Post
I just put on a new 2Ē track and changed my gears to 21-41. I like to upgrade the clutch spring and weights. Any suggestions. Iím over 50 and donít want to pull my arms out of their socket
SLP magnum force weights loaded at 69.2 grams, yellow venom 120/340 drive spring, and a venom blk./grn. 140/220 driven spring. if you really want it to go?

the thing with any adjustable weights is in the warmer spring riding temp's just remove a screw or two and bring your rpm's right back. the 2017 assault needs to spin @ 8350 rpm for peak performance.

we found SLP weights to out perform daltons down low. by length every time to 300'. up top there about the same. we feel they have better belt squeeze down low.
northstarrick is offline   Reply With Quote
Old 05-21-2019, 09:27 AM   #9 (permalink)
Super Advanced Member
 
Join Date: Jan 2017
Posts: 1,471
Current Sled(s): 2013 Rush Pro R 800 retro 2001 XCSP 700
Location: Mn
18-19 Mileage 1400
17-18 Mileage: 1200
16-17 Mileage: 1000
Default

Quote:
Originally Posted by northstarrick View Post
SLP magnum force weights loaded at 69.2 grams, yellow venom 120/340 drive spring, and a venom blk./grn. 140/220 driven spring. if you really want it to go?

the thing with any adjustable weights is in the warmer spring riding temp's just remove a screw or two and bring your rpm's right back. the 2017 assault needs to spin @ 8350 rpm for peak performance.

we found SLP weights to out perform daltons down low. by length every time to 300'. up top there about the same. we feel they have better belt squeeze down low.


The magnum force weights are awesome. Worth every penny. I wouldn't even consider a non adjustable weight ever again. Warm today, it's down 100 rpm, instead of living with it, take 2.2 minutes, remove one set screw, back to optimum. Its over revving 200 today, conditions are awesome, trails are hard, and it's cold, 2.5 minutes this time, because you have to add 2 set screws, and back to optimum. Also, I wouldn't use any other style adjustable weight that can't be adjusted like that. Slick as a whistle.
Frankie406 is online now   Reply With Quote
Sponsored Links
Advertisement
 
Reply

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
2017 Axys Rush 600? clutch upgrades? racerdave Rush/Switchback (AXYS Platform) 17 03-21-2018 09:39 AM
2017 arctic cat ZR9000 stock clutch engagement RPM Justsnow123 Turbo 4 Stroke 23 01-18-2018 11:19 PM
Nsp clutch upgrade coming northstarrick Rush/Switchback (AXYS Platform) 74 10-29-2017 06:33 PM
Problem seen today with 2017 XCR 800 clutch alignment patrioticinnovations Rush/Switchback (AXYS Platform) 70 03-29-2017 02:52 PM
Poo new race sled rear skid alsled General Discussion Forum 149 12-13-2016 12:49 PM


All times are GMT -4. The time now is 03:27 AM.



Powered by vBulletin® Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO 3.6.0
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2019 DragonByte Technologies Ltd.
User Alert System provided by Advanced User Tagging (Pro) - vBulletin Mods & Addons Copyright © 2019 DragonByte Technologies Ltd.