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Just bought a new sled!
- Prox-r 440/800!
started by PolarisPuglia
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July 10th 2009 at 9:37 AM
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PolarisPuglia
Junior Member
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313 Posts 
Group: Members
Member Since: March 19th 2007
Location: Boston, MA
Current Sled: proxr 440/800 mod
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Just bought an 04 proxr440 with an 04 prox2 800 motor with vforce3 reeds swapped in. Just looking for some info since this is style of sled is all new to me. Things to watch out for? What breaks, what to upgrade, replace, etc. I keep hearing about the VES valves on these motors? How to adjust the walker evans? Any help/tips is appreciated, just throw out anything you've learned! Thanks
2004 PRO-Xr 440/800 mod, c&a's, vforce reeds, more coming soon...
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Site Supporter
Group: Site Supporters
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July 10th 2009 at 9:55 AM
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erick
Alternate Realities
erick pretty much excited that it's Friday, though there are no plans for the weekend yet!
Updated Yesterday at 11:45 AM
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11495 Posts 
Group: Administrators
Member Since: April 10th 2001
Location: Strathcona, MN, USA
Current Sled: IQr 800 & RMK 800
2008-2009 Miles: 800
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How many miles are on the engine? The main bearings in these 800's tended to go out every once in a while. It was hit and miss though. You should also replace the VES valves with stainless steel ones your you'll probably find that they like to break off and fall into the cylinder. Not a good thing  . It has happened to me. The walker evans shocks are probably in need of a rebuild. That year, in particular, had durability issues (IMO). Check out http://www.diamondshocks.com to get them rebuilt. They are site supporters and do great work, especially on walker evans and the rates are great.
Breaking free from the thoughts in my mind
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July 10th 2009 at 1:56 PM
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PolarisPuglia
Junior Member
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313 Posts
Group: Members
Member Since: March 19th 2007
Location: Boston, MA
Current Sled: proxr 440/800 mod
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Thanks Erick, always good to get some tips from a guy like you! It has under 2000 miles he said, but with no odo its hard to tell. When he bought the motor the compression was low so he rebuilt the top end and now has 150psi on both cylinders, and the shocks were rebuilt at the same time, both with under 250 miles on them since rebuild. Where can I find the stainless VES valves? How much do they cost? Also, is there anything you can do to prevent the main bearing from going out? Thanks! anyone else chime in as well.
2004 PRO-Xr 440/800 mod, c&a's, vforce reeds, more coming soon...
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July 10th 2009 at 2:20 PM
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Definatly do as Erick suggested.
from there, clean those exhaust valves yearly so that they don't stick.
Gaskets for them are about $4 or $5 each and they are not that hard to clean.
Be sure to lay out the springs and baffels in order the way they came out to be able to get them back in right.
The crank issues on those is hit and miss.
They normally have gone out around 3,000 miles on the 800's I've seen here.
Tough Boy bearing kits do wonders for that.
With good maintenence and care, that will be a great sled for quite some time.
Enjoy 
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July 11th 2009 at 9:15 AM
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PolarisPuglia
Junior Member
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313 Posts
Group: Members
Member Since: March 19th 2007
Location: Boston, MA
Current Sled: proxr 440/800 mod
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Thank you. Where can I buy these stainless valves? I cant find them...
2004 PRO-Xr 440/800 mod, c&a's, vforce reeds, more coming soon...
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July 11th 2009 at 10:14 AM
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PolarisPuglia
Junior Member
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313 Posts
Group: Members
Member Since: March 19th 2007
Location: Boston, MA
Current Sled: proxr 440/800 mod
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Oh and once you get the stainless ones is it basically guaranteed they wont fail, or just less chance? Do you still take them off and clean them every season?
2004 PRO-Xr 440/800 mod, c&a's, vforce reeds, more coming soon...
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July 11th 2009 at 10:23 AM
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KyleM800
New Member
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91 Posts 
Group: Members
Member Since: July 7th 2009
Current Sled: 2006 F7 Tony Stewart
2008-2009 Miles: 450
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I presume you bought the one off HCS, if you did the valves have already been upgraded.
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July 11th 2009 at 10:50 AM
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Quote originally posted by PolarisPuglia
Oh and once you get the stainless ones is it basically guaranteed they wont fail, or just less chance? Do you still take them off and clean them every season?
Yes, you still clean them every year,
sometimes twice if you are running a ton of miles or running blue oil.
The stainless ones won't break though.
You are basically buying them to not have to dump out over a grand to fix it later.
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July 11th 2009 at 6:59 PM
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PolarisPuglia
Junior Member
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313 Posts
Group: Members
Member Since: March 19th 2007
Location: Boston, MA
Current Sled: proxr 440/800 mod
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Kylem800, yes it was off HCS in maine. Are you sure they were upgraded? He didnt mention it. Ill have to email him about it....thanks. And thank you studentdriver as well.
2004 PRO-Xr 440/800 mod, c&a's, vforce reeds, more coming soon...
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July 12th 2009 at 8:50 AM
[ Modified July 12th 2009 at 8:54 AM
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PolarisPuglia
Junior Member
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313 Posts
Group: Members
Member Since: March 19th 2007
Location: Boston, MA
Current Sled: proxr 440/800 mod
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okay he said he thinks the previous owner upgraded the valves, but he wasnt positive...anyone have a part number so i can double check and be sure?
also when i sit on it and get off, it stays like around 2 inches down from completely up, i have to pick it up the last 2 or so inches, is that normal it doesnt come ALL the way up by itself?
2004 PRO-Xr 440/800 mod, c&a's, vforce reeds, more coming soon...
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July 12th 2009 at 10:46 AM
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That's normal for Polaris.
They normally have about that in sag.
In the DH bike world it refered to as negetive travel and is actually good for when you go over holes etc.
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July 13th 2009 at 10:36 AM
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v-maxsledder
Senior Member
v-maxsledder My dad is the man!!
Updated Thursday at 9:53 PM
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2869 Posts 
Group: Members
Member Since: July 12th 2006
Location: esko, minnesota, USA
Current Sled: 6 hundo sno pro
2008-2009 Miles: 250-350
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i'm glad someone finally bought that sled up. post up some pics
Owning a race sled is like having a totally hot girlfriend..... All of your friends want to see it, feel it and check it out..... They all want to know what it is like to ride it, but if they only knew how much time and money it takes to keep one up, they would call you a fool!
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July 13th 2009 at 1:08 PM
[ Modified July 13th 2009 at 1:09 PM
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PolarisPuglia
Junior Member
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313 Posts
Group: Members
Member Since: March 19th 2007
Location: Boston, MA
Current Sled: proxr 440/800 mod
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there she is. took the windshield off for a smaller one, and swapped the skis over to my white c&a's. lot more polishing and cleaning coming over the summer, and maybe some new parts, havent decided. flat black storm in the background is for sale BTW
2004 PRO-Xr 440/800 mod, c&a's, vforce reeds, more coming soon...
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July 14th 2009 at 5:26 PM
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k2_huckdoll
Junior Member
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101 Posts
Group: Members
Member Since: June 19th 2009
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Quote originally posted by Student Driver
That's normal for Polaris.
They normally have about that in sag.
In the DH bike world it refered to as negetive travel and is actually good for when you go over holes etc.
What kinda bike do you ride? Nice sled btw, wish i could afford one. I just bought a new rear suspension for my landrover(doetsch tech 2.5" double rate coil overs with resevoirs). So i'm pretty broke
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July 15th 2009 at 2:04 PM
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rayrevo
toy wrecker
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293 Posts
Group: Members
Member Since: February 12th 2006
Location: ham lake/ grand forks nd, mn, USA
Current Sled: 2003 polaris pro x 600
2008-2009 Miles: ?no speedo
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no sure if they fixed it on 04 but check the rear mounts on the trailing arms
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July 15th 2009 at 2:41 PM
[ Modified July 15th 2009 at 2:42 PM
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Quote originally posted by k2_huckdoll
Quote originally posted by Student Driver
That's normal for Polaris.
They normally have about that in sag.
In the DH bike world it refered to as negetive travel and is actually good for when you go over holes etc.
What kinda bike do you ride? Nice sled btw, wish i could afford one. I just bought a new rear suspension for my landrover(doetsch tech 2.5" double rate coil overs with resevoirs). So i'm pretty broke
Right now I'm on a hard tail class DH ride.
An Identity frames Mr. Hyde with EVERYTHING on it after market
My last ride was a Special Ed with 7 3/4" travel
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July 15th 2009 at 4:19 PM
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PolarisPuglia
Junior Member
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313 Posts
Group: Members
Member Since: March 19th 2007
Location: Boston, MA
Current Sled: proxr 440/800 mod
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check for what on the trailing arm mounts?
2004 PRO-Xr 440/800 mod, c&a's, vforce reeds, more coming soon...
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July 15th 2009 at 5:21 PM
[ Modified July 15th 2009 at 5:24 PM
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motodeficient
Waiting for more snow
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1358 Posts 
Group: Members
Member Since: July 21st 2007
Location: MAINE
Current Sled: 04 XC 660 SP
2008-2009 Miles: 800
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Hmm i never saw that listed on HCS in Maine? Sweet sled, was the guy from Skowhegan, ME?
Nevermind just read the listing. Looks like you got a great deal on it, how much did you end up getting it for if you don't mind sharing that?
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July 15th 2009 at 6:17 PM
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k2_huckdoll
Junior Member
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101 Posts
Group: Members
Member Since: June 19th 2009
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Sweet dude, my primary bike is a steel head with avid codes, fox 36's DMR wing bars, Diety stem, race face evolve DH cranks, white industries hubs with SAS rims and white industries free wheel(100% indestructable)
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July 15th 2009 at 6:28 PM
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rayrevo
toy wrecker
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293 Posts
Group: Members
Member Since: February 12th 2006
Location: ham lake/ grand forks nd, mn, USA
Current Sled: 2003 polaris pro x 600
2008-2009 Miles: ?no speedo
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Quote originally posted by PolarisPuglia
check for what on the trailing arm mounts?
look inside the belly pan at the mounts and make sure the tube that the bolt goes is nice and solid you will see what i mean when you look at them you might have to take the can off the one side to see them
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July 15th 2009 at 6:42 PM
[ Modified July 15th 2009 at 6:44 PM
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Quote originally posted by k2_huckdoll
(100% indestructable)
No such thing. lol
Here's mine though when I first built it up.
Now back to our regularly scheduled sled topic......
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July 16th 2009 at 12:44 AM
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PolarisPuglia
Junior Member
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313 Posts
Group: Members
Member Since: March 19th 2007
Location: Boston, MA
Current Sled: proxr 440/800 mod
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sweet bike!
yeah it was the one from skowhegan. ended up paying 2200.
2004 PRO-Xr 440/800 mod, c&a's, vforce reeds, more coming soon...
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July 17th 2009 at 9:57 AM
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PolarisPuglia
Junior Member
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313 Posts
Group: Members
Member Since: March 19th 2007
Location: Boston, MA
Current Sled: proxr 440/800 mod
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looking at the outside of the sled with the hood closed i can see the can side (where my right foot would be on the sled) trailing arm bolt is very crooked. should i loosen it and try to get it back in straight on or does that mean somethings broken in there? whats the problem you mentioned with these?
2004 PRO-Xr 440/800 mod, c&a's, vforce reeds, more coming soon...
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July 19th 2009 at 10:00 PM
[ Modified July 19th 2009 at 10:03 PM
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rayrevo
toy wrecker
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293 Posts
Group: Members
Member Since: February 12th 2006
Location: ham lake/ grand forks nd, mn, USA
Current Sled: 2003 polaris pro x 600
2008-2009 Miles: ?no speedo
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Quote originally posted by PolarisPuglia looking at the outside of the sled with the hood closed i can see the can side (where my right foot would be on the sled) trailing arm bolt is very crooked. should i loosen it and try to get it back in straight on or does that mean somethings broken in there? whats the problem you mentioned with these? the problem is that there is a flat plate with some round tubing that goes into the tunnel sort of and a long bolt goes from the outside of trailing arm inside the tunnel. what happens as it did on mine the tube broke lose from that plate and started putting extra stress on the tunnel. http://snowmobile.off-road.com/snowmobil...d_mount%20(2).jpg ok check that link this is sorta what happend to mine but you will get the idea what to look for.
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July 19th 2009 at 10:21 PM
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tdgbigfoot
Certified sledaholic
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1277 Posts
Group: Members
Member Since: September 12th 2008
Location: Albany, Vermont, USA
Current Sled: 99 SKS 700, 96 Mach Z 780
2008-2009 Miles: 500
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Ive had some real fun with those trailing arm bolts. Get that checked out for sure, they are a real pain in the a** to get everything back together right. At least, on the sled i was workinb on.
Really nice sled, would love to have it, and a great deal at that. Congrats.
2000 Indy Trail Touring 550, 1999 Indy SKS 700, 1996 Mach Z 780, 1994 Wildcat 700, 1991 Formula Plus, 1990 Safari LX, 1989 Indy 400, 1988 Tundra Skandic, 1987 Citation, 1986 Indy Trail 488, 198? Bravo
1969 Corvette 350
2000 Cheroekee - 4 1/2" lift, & other goodies
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