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2001 Polaris XC SP 600 Long Track Mod
- Tunnel And Track Extension Issues
started by snowman69
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August 30th 2009 at 7:17 PM
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snowman69
Starting Member
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4 Posts
Group: Members
Member Since: August 30th 2009
Location: WI, USA
Current Sled: 2001 Polaris XC SP 600
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Hey I have a question for you more experienced mechanics. I have a 2001 Polaris XC SP 600 which I am putting a 136" length track with 2" paddles, I am ordering the Tunnel and rail extension kit for it. However, the problem is that I don't think I have enough clearance for the heat exchangers and paddle. Do I need to get the brackets which lower the suspension, or is it more in depth then that? Thanks
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Site Supporter
Group: Site Supporters
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August 30th 2009 at 7:45 PM
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Use drop brackets in the rear skid mounts,
and for the front skid mounts they are there,
Look at the inside of the tunnel where the skid now mounts and you will see the template there to drill the lower hole.
This will all set up your paddle clearance and approach angle.
Now if you start eating belts, it will be a sure sign that you need to gear down for the larger track.
Just keep an eye on it and if this starts happening,
go 1 tooth smaller on the smaller gear.
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August 30th 2009 at 10:03 PM
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jriq
Starting Member
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43 Posts
Group: Members
Member Since: September 27th 2008
Location: Eden Valley, Minnesota, USA
Current Sled: 06 IQR
2008-2009 Miles: UNKNOWN
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I had an '02 xc, i did the same thing put a 136" on it. It worked just fine, never had any issues. Except when i stretched the back shock got weird. Not sure if for what ever reason I put the rear shock back in wrong or what? I could take the back end and push it up and down about 6-7" but it still rode fine in the powder. Good luck, hope I helped a bit.
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August 30th 2009 at 10:51 PM
[ Modified August 30th 2009 at 10:54 PM
]
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snowman69
Starting Member
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4 Posts
Group: Members
Member Since: August 30th 2009
Location: WI, USA
Current Sled: 2001 Polaris XC SP 600
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Quote originally posted by Student Driver
Use drop brackets in the rear skid mounts,
and for the front skid mounts they are there,
Look at the inside of the tunnel where the skid now mounts and you will see the template there to drill the lower hole.
This will all set up your paddle clearance and approach angle.
Now if you start eating belts, it will be a sure sign that you need to gear down for the larger track.
Just keep an eye on it and if this starts happening,
go 1 tooth smaller on the smaller gear.
Hey thanks for the response, so all I need is the rear brackets and the originals have an extra hole to drill out is that how it works? And the one tooth smaller gear, thats the top gear in the chain case right? I'm just getting used to taking apart my sled and don't know a whole lot, but I'm getting there.
Quote originally posted by jriq
I had an '02 xc, i did the same thing put a 136" on it. It worked just fine, never had any issues. Except when i stretched the back shock got weird. Not sure if for what ever reason I put the rear shock back in wrong or what? I could take the back end and push it up and down about 6-7" but it still rode fine in the powder. Good luck, hope I helped a bit.
Nice sled, I don't quiet understand what you mean when you said "when i streched the back shock got weird" thanks for the info, did you have to put the brackets on to get more clearance on the back?
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September 2nd 2009 at 2:46 PM
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WY_rider
WY_rider just snochecked a 2010 M8 sno pro 153
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You also might want to make sure the drivers are gunna be small enuff. On most of the short track conversions I have done, I have had to put on smaller drivers to make the lugs fit. On my Powder special I just shaved the cooling fins off. You might be ok though?
2010 Arctic cat snopro 153
2005 M7 153. -Wifes sled
2002 Polaris built 800 turbo. Not a thing is stock.
2003 RMK 800 edge
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September 4th 2009 at 4:58 PM
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snowman69
Starting Member
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4 Posts
Group: Members
Member Since: August 30th 2009
Location: WI, USA
Current Sled: 2001 Polaris XC SP 600
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Quote originally posted by WY_rider
You also might want to make sure the drivers are gunna be small enuff. On most of the short track conversions I have done, I have had to put on smaller drivers to make the lugs fit. On my Powder special I just shaved the cooling fins off. You might be ok though?
Hey, thanks for the advice..do you mean smaller drive sprockets? the black toothed part that goes into the track to turn it?
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September 26th 2009 at 8:21 PM
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dmk144
Junior Member
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163 Posts 
Group: Members
Member Since: November 14th 2006
Location: waconia, mn, USA
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I did an 144 extension on my 03 xcsp 700, I got a track that had 2" paddles but were notched for the coolers. I got my stuff from tracks usa. hope it helps
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September 27th 2009 at 6:01 PM
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snowman69
Starting Member
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4 Posts
Group: Members
Member Since: August 30th 2009
Location: WI, USA
Current Sled: 2001 Polaris XC SP 600
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Quote originally posted by dmk144
I did an 144 extension on my 03 xcsp 700, I got a track that had 2" paddles but were notched for the coolers. I got my stuff from tracks usa. hope it helps
Ya, can I get my track notched or do I have to buy one that is? Also, I have the brackets on the tunnel and didn't know it, however I had other problems which needed tending to first-Mechanical issues. Thanks
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October 21st 2009 at 1:42 PM
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eitmhl
Starting Member
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33 Posts
Group: Members
Member Since: October 6th 2008
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you could give this a shot, i havent had any problems
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28 minutes ago
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indyrmk30
New Member
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61 Posts 
Group: Members
Member Since: December 3rd 2008
Location: Colville, Washington, USA
Current Sled: 1990 Indy/Rotax 670 mutt
2008-2009 Miles: 20
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There are a couple ways that I know of to get the clearance you need. You can drop and roll the chaincase which is a very in depth procedure that you would have to have a machinist do I'm sure. It pushes the chaincase back about 2", giving you the clearance. Or you could get smaller drivers. I Had to get 7 tooth drivers for my Indy chassis to fit my 144x2 under it.
1990 Indy 500 Chassis
1997 Rotax 670 (bored, ported, polished, head shaved .020")
FAST Fatboy pipe
Homemade Can
Digital Tach
Aluminum Trailing Arms
Powder Skis
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