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Roadie2
post Nov 4 2009, 07:35 PM
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What is the normal static sag on a SCIII or SC4 skid frame? I am asking this because I think maybe I need to replace the torsion springs. The machines both have about 5000 miles.
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05600sdi
post Nov 4 2009, 07:55 PM
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QUOTE (Roadie2 @ Nov 4 2009, 07:35 PM) *
What is the normal static sag on a SCIII or SC4 skid frame? I am asking this because I think maybe I need to replace the torsion springs. The machines both have about 5000 miles.

2-3 inches off the rear bumper when sitting on it.


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Roadie2
post Nov 4 2009, 08:33 PM
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What about without sitting on the machine?
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05600sdi
post Nov 4 2009, 09:13 PM
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QUOTE (Roadie2 @ Nov 4 2009, 08:33 PM) *
What about without sitting on the machine?

Nothing, if you pick up the back it should already be there!


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tweener
post Nov 5 2009, 12:30 AM
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I dissagree.

sled just sitting there, no diollys.....flat floor....sit on it.....get off.....pull up on rear bumper....should be able to lift about 2-4 inches....anything less than 1 inch, would be ABNORMAL..


then when you let go of rear bumper, it should sag less than 2 inches....probabbly more like abour 1 inch..but you should be able to push it down by hand an inch or 2 more.


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Kalcoone
post Nov 5 2009, 01:00 AM
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QUOTE (tweener @ Nov 5 2009, 12:30 AM) *
I dissagree.

sled just sitting there, no diollys.....flat floor....sit on it.....get off.....pull up on rear bumper....should be able to lift about 2-4 inches....anything less than 1 inch, would be ABNORMAL..


then when you let go of rear bumper, it should sag less than 2 inches....probabbly more like abour 1 inch..but you should be able to push it down by hand an inch or 2 more.


That is about what Ross from Hygear said recently in SnowGoer.


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iansmxz
post Nov 5 2009, 06:01 AM
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no static sag means over the bars you go in a series of whoops, its just like an MX bike. you have your rider sag and your static sag. I explain this in my suspension sheet given out to all customers,
ian


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05600sdi
post Nov 5 2009, 07:23 AM
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QUOTE (tweener @ Nov 5 2009, 12:30 AM) *
I dissagree.

sled just sitting there, no diollys.....flat floor....sit on it.....get off.....pull up on rear bumper....should be able to lift about 2-4 inches....anything less than 1 inch, would be ABNORMAL..


then when you let go of rear bumper, it should sag less than 2 inches....probabbly more like abour 1 inch..but you should be able to push it down by hand an inch or 2 more.


Maybe mine is like that then, because it handles nice in the whoops. I'll have to check it more closely!!


--------------------
Rev Baron Rack
Four Barr L E D"s
Mountain Machines 5Spoke 8" billets with Freedom Axle
SnowForce L E D"s
Billet Brake Lever
Billet Brake Reservoir Cap
Billet Hand Guard Mounts
Billet Gas Cap
Billet Starter Handle
DJ'S Clutch Kit
V Force III Reeds
Retrax Ski Wheels
Digital Temp Gauge
21/43 Gears
Polished tunnel
Polished shocks
Alternative impact titanium A arms
1.5 intense track
922/944 Torsion Springs
BC3 Spacers
Snow Shooter's Oil Lite Bushings
Chrome Power Madd Windshield Floated secondary, Idooski Risers
Chrome Sportech Hand Guards silverstar ultra's, Cyberdyne air temp gauge
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Snowman07
post Nov 5 2009, 08:02 AM
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QUOTE (Roadie2 @ Nov 4 2009, 07:35 PM) *
What is the normal static sag on a SCIII or SC4 skid frame? I am asking this because I think maybe I need to replace the torsion springs. The machines both have about 5000 miles.

If you have 5,000 miles on the sled and haven't changed out your springs, then you might wanna think about it before the snow flys. What do they cost....$25 a spring??? Thats $50 well spent as oppose to breaking one out on the trail and having to limp it home or back to the truck. Nothing worse then ruining a days ride because a spring broke. All that could have been prevented if you would have just replaced the springs before the season started.
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Roadie2
post Nov 6 2009, 07:39 PM
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It sags all the way to the back blocks. Is this too much?
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