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I guess my number was up
- gruesome piston pics inside
started by ripperd
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March 2nd 2009 at 6:19 PM
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ripperd
kick@$$
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7425 Posts 
Group: Members
Member Since: November 7th 2001
Location: Brooklyn Center, MN, USA
Current Sled: 07 Rev 600 mod
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Well, I made it all last year without an engine failure in the mod. And made it most of the way through this year. But alas, my carelessness got the best of it.
Temp was 10F, I was jetted and needled for about 20something, and thought I would be OK if I didn't do much prolonged WOT. I was mostly right on that, but not completely.
We had just went from a section of trail that was lacking snow so my water temp was up in the low 160's. Thats when I have my digatron flash at me to warn me. We had already put on 60 miles for the day and we were 5 miles from the trailer and calling it a day. We pulled up to a section where it travels down a wide open ditch and my buddy and I drag raced. The sled was ripping hard (as they always do before they blow), and I was just about to let off when the motor starts losing power fast. Whenever a sled dies at WOT it is never good. I knew immediately what happened and shut it down and came to a stop. Pull the cord and the motor was very stiff. Started cussing. Didn't pull it over any more and I rode my buds sled back to the truck to get the trailer. To minimize the damage I didn't want to start it again so we dragged it onto the trailer.
Lessons learned: Just because it hasn't blown up, doesn't mean you can be careless with your riding. The combination of leanness and water temp I think did it in. Hopefully I can get it back together so I can ride this weekend. And jet it up a size or two.
Anyway, here are the pics:
exhaust side of piston:
trail compression dome (no damage at all)
Intake side of piston
Intake side of cylinder. Not too bad, can easily be cleaned up
Exhaust side of cylinder. Lots of aluminum deposited. I didn't see any nicasil damage, but there may be some hiding behind the aluminum deposits. Hopefully it doesn't need replating :-(
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Site Supporter
Group: Site Supporters
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March 2nd 2009 at 6:22 PM
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scott240
Junior Member
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155 Posts 
Group: Members
Member Since: January 16th 2009
Location: Ontario, Canada
Current Sled: 1998 Arctic Cat zr600 EFI
2008-2009 Miles: 200
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Damn bro, that sucks, good luck getting it ready for the weekend
[1998 Arctic Cat zr600] * Powermadd riser * 96 Woodies * Sno-stuff Can * Ripsaw * Fox clicker shocks * Modified Cobra windscreen * Fishbone tunnel supports
[2003 Polaris Pro-X 440] * V-Force 3 reeds * Studded * Walker-Evans all around
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March 2nd 2009 at 6:30 PM
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mdmaniac
Go Big or Go Home
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2871 Posts
Group: Members
Member Since: December 9th 2003
Location: Blossvale, New York, USA
Current Sled: sledlessss
2008-2009 Miles: almost 1k
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time to get out the muratic acid!
2006 Fusion 600HO -- B.D.F. Performance Package
162 1.45" Studs / Cobra 136" Track / TracksUSA extension
C&A Pro Outlaws / 7.5" Shaper Bars
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March 2nd 2009 at 6:35 PM
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powdermadd440
guzzlin' gas and haulin ass
powdermadd440 wonders how long it will be before snowmobiles need to be inspected in Maine.
Updated Tuesday at 6:33 PM
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2695 Posts
Group: Members
Member Since: October 15th 2005
Location: Fairfield, ME, USA
Current Sled: 2001 edge x 600
2008-2009 Miles: 779
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Quote originally posted by mdmaniac
time to get out the muratic acid!
Took the words right of my mouth.
That sucks, hopefully it is up and running good for you this weekend.
2001 edge x 600, Vforce 3 reeds, SLP boost bottle, SLP can, yellow primary spring, 4" RSI risers, RSI backcountry bars, RSI gel wraps, Acerbis hand guards, yellow skidplate, Simmons skis, 1 3/8" camoplast track, RSI ice scratchers
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March 2nd 2009 at 7:09 PM
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thezoo
ride it hard
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150 Posts
Group: Members
Member Since: March 12th 2006
Location: Duluth, mn
Current Sled: 01 rmk 700
2008-2009 Miles: 540
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uoch!!!  at least the snow will disappear soon
too many animals too feed. too little time
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March 2nd 2009 at 7:19 PM
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MX86
Powder Rider
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1640 Posts 
Group: Members
Member Since: March 1st 2007
Location: Nashwauk, Minnesota, USA
Current Sled: 1999 polaris 700 SKS mod
2008-2009 Miles: not enough
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WHOOPS!
2006 Yamaha YZ250
KYB SSS Suspension w/ Race Tech G2 gold Valve, ASV F3 levers, Tag Metals Triple clamp w/Pro Taper Bars, IMS Pro Series Pegs, Motion Pro Twist Throttle Assembly, VF3 Reeds
Thanks to my newest 09 Sponsors:
Gravity Worx Racing
Duner Central
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March 2nd 2009 at 7:26 PM
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03Pro-X700
Senior Member
03Pro-X700 wants to get rid of my cdi, tach, wiring harness, and old cover. PM if interested.
Updated Last Sunday at 11:26 PM
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2414 Posts
Group: Members
Member Since: December 13th 2003
Location: Wisconsin, USA
Current Sled: 2003 Pro-X 700 144"
2008-2009 Miles: 860
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2003 pro-x 700;
TracksUSA 144" tip-up rail extensions
1.25 camoplast predator /120 1.40' extreme max SS studs
VanAmburg tunnel extension
SLP Powder-Pro skis, Powder-Coated suspension
Holtzman tempaflow-420 main jets
10-64g weights w/ round almond spring
24/42 gearing, gutted airbox, PERC, torque arm
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March 2nd 2009 at 7:31 PM
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Rock
raise a little hell
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1195 Posts
Group: Members
Member Since: June 14th 2006
Location: St.Paul Park, MN, USA
Current Sled: 2005 700xcsp
2008-2009 Miles: 571
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sorry dude.....are you out for Saturday?
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March 2nd 2009 at 9:02 PM
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ripperd
kick@$$
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7425 Posts
Group: Members
Member Since: November 7th 2001
Location: Brooklyn Center, MN, USA
Current Sled: 07 Rev 600 mod
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If it only requires acid and a light hone I will be riding this weekend. If it requires re-plating or welding I won't be. The shop already has the jug so hopefully I'll hear in the next day or two what the verdict is.
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March 3rd 2009 at 10:24 AM
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powder_special_900
Average Member
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658 Posts 
Group: Members
Member Since: February 3rd 2005
Location: Regina, Saskatchewan, Canada
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just curious... why does the pistons only have 1 ring?
1996 580 EXT Mountain Cat 136"
-MBRP race can
-DnD Clutch kit
-Blade Barz handle bar with green poli wountain strap and 4" riser block
-unipod intake
-low profile windshield
-red led underglow
2005 Dodge Ram Hemi 4x4 to haul the kitty around
Craven Sk Canada
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March 3rd 2009 at 10:33 AM
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Quote originally posted by ripperd
If it only requires acid and a light hone I will be riding this weekend. If it requires re-plating or welding I won't be. The shop already has the jug so hopefully I'll hear in the next day or two what the verdict is.
the shop? no millenium this time? bastard.
time for a tempa flow or vari flow!
nothing goes like 3 holes!!
Aaen Performance!!!!
High performance engineering
millennium technologies
brtech hoods
price performance
Got Speed Racing
320-629-4889
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March 3rd 2009 at 10:45 AM
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xcr440
Sundowners Trail Coordinator
xcr440 icefish's because having feeling in your fingertips is overrated.
Updated Over 4 hours ago
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12582 Posts
Group: Members
Member Since: February 1st 2003
Location: St.Germain/Edgerton, Wisconsin, USA
Current Sled: 03prox700/97xcr440
2008-2009 Miles: 610
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Quote originally posted by powder_special_900
just curious... why does the pistons only have 1 ring?
Factory mod sled. Not looking for great reliabilty just mainly used in race applications but polaris is useing them on there sleds. Not sure what they are thinking. 
a good beer drinker isnt a picky beer drinker
Loggers.... Working their ass off so you can wipe yours!
"Steep ground is when your cutting a notch and notice a mountain goat looking at you like you are crazy." - Hexan
woodbooga: (WOOD-boog-ah), n. regional dialect, common to areas of New Hampshire and Maine including the towns of Ossipee, Alton, Farmington, Acton, and Lebanon; one who attempts to obtain free firewood to fuel woodburning appliances in an effort to mitigate expenses related to home heating with fossil fuels. Frequently used as a term of derision by non-woodburners who mock the presence of loose bark and other wood waste in the beds of their pickup trucks.
2003 Pro x 700 almond/blue,10-66 black/red team 719 T-flow, 440 mains
1997 xcr440 my clutch kit, 380 mains,T-flow
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March 3rd 2009 at 11:12 AM
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FUSION900PA
Average Member
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942 Posts
Group: Members
Member Since: October 20th 2005
Location: Edinburg, PA, USA
Current Sled: SNOW CHECK 09 D8 SP
2008-2009 Miles: 1100
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Quote originally posted by xcr440
Quote originally posted by powder_special_900
just curious... why does the pistons only have 1 ring?
Factory mod sled. Not looking for great reliabilty just mainly used in race applications but polaris is useing them on there sleds. Not sure what they are thinking.
You would think polaris would have learned from the early revs with the single ring pistons.
"If you ain't first, you're last" Ricky Bobby
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March 3rd 2009 at 11:18 AM
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xcr440
Sundowners Trail Coordinator
xcr440 icefish's because having feeling in your fingertips is overrated.
Updated Over 4 hours ago
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12582 Posts
Group: Members
Member Since: February 1st 2003
Location: St.Germain/Edgerton, Wisconsin, USA
Current Sled: 03prox700/97xcr440
2008-2009 Miles: 610
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Not sure what there thinking was? cheaper, tad bit more hp??
a good beer drinker isnt a picky beer drinker
Loggers.... Working their ass off so you can wipe yours!
"Steep ground is when your cutting a notch and notice a mountain goat looking at you like you are crazy." - Hexan
woodbooga: (WOOD-boog-ah), n. regional dialect, common to areas of New Hampshire and Maine including the towns of Ossipee, Alton, Farmington, Acton, and Lebanon; one who attempts to obtain free firewood to fuel woodburning appliances in an effort to mitigate expenses related to home heating with fossil fuels. Frequently used as a term of derision by non-woodburners who mock the presence of loose bark and other wood waste in the beds of their pickup trucks.
2003 Pro x 700 almond/blue,10-66 black/red team 719 T-flow, 440 mains
1997 xcr440 my clutch kit, 380 mains,T-flow
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March 3rd 2009 at 1:27 PM
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prox420
Whaaaammmpp!!!!
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1487 Posts
Group: Members
Member Since: October 4th 2005
Location: Minnetonka, MN, USA
Current Sled: POLARIS
2008-2009 Miles: .01
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Bummer Dean! Good luck getting her back for hillcross season!
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March 3rd 2009 at 2:14 PM
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powder_special_900
Average Member
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658 Posts
Group: Members
Member Since: February 3rd 2005
Location: Regina, Saskatchewan, Canada
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good to know!! why would u get more HP?? Cause of less drag in the cylinder... ud think ud get better compression with 2? never seen that before haha
1996 580 EXT Mountain Cat 136"
-MBRP race can
-DnD Clutch kit
-Blade Barz handle bar with green poli wountain strap and 4" riser block
-unipod intake
-low profile windshield
-red led underglow
2005 Dodge Ram Hemi 4x4 to haul the kitty around
Craven Sk Canada
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March 3rd 2009 at 2:17 PM
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Sno-X-treme
Senior Member
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2991 Posts
Group: Members
Member Since: October 25th 2001
Location: Menomonie, Wi, USA
Current Sled: 2006 rev 440/700
2008-2009 Miles: 400
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If it's together you going to be racing at ParkX?? I'm kinda bummed they swapped Telemark around. Oh well, I'll just have to wait until the 21st to race.
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March 3rd 2009 at 4:14 PM
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Tweakish
Starting Member
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16 Posts
Group: Members
Member Since: March 3rd 2009
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Good luck with the acid, hopefully it doesn't need re-plating.
was this an EFI mod? Were you running it leaner to get a few more hp? Running leaner is scary in my mind...
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March 3rd 2009 at 4:35 PM
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supersportrider16
had a good season
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218 Posts
Group: Members
Member Since: November 11th 2008
Location: clown town, mass, USA
Current Sled: 1997 polaris supersport
2008-2009 Miles: 803
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the guy my dad bought the edge 800 off over heated it and blew the engine and these were the pistons and jugs
Cats have 9 lives, you have one...Make it count!
1979 arctic cat jag 340 (old sled for the past 2 years)
1997 488 super sport
2" powermadd riser
(new sled 7 more inches of suspension then the jag :))
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March 3rd 2009 at 4:41 PM
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stormrider62033
wally
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4729 Posts
Group: Members
Member Since: December 25th 2004
Location: Gillespie, IL, USA
Current Sled: 99xcr 800
2008-2009 Miles: 500
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well darn ,things happen no matter what you run ,I was always amused when i would stop by the Frieghtliner Dealer in Joplin MO ,even with those some what small hills,on interstate 44,out of St Louis MO would be loads of Cats ,Cummins, Detroits waiting to have melted pistons changed
mid Il alway's waiting for snow,moving north(way north)2001 thundercat 99xcr 800 97SPX ULTRA 96 zrt 600&800,92 doo plusX 92 v max 4 750
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March 3rd 2009 at 5:05 PM
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ripperd
kick@$$
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7425 Posts
Group: Members
Member Since: November 7th 2001
Location: Brooklyn Center, MN, USA
Current Sled: 07 Rev 600 mod
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I didn't really have much hillcross plans this year. We'll see. It is a good time but 5 years of it might be enough.
Tempaflow wouldn't be a bad idea.
And yeah, I brought it locally since I was hoping that it wouldn't need replating. At first glance the nicasil looks perfect still, but we'll see once the aluminum is removed. I'd go with ya Jon but having it ready by thurs would be tough if it wasn't local. We'll see what they quote me for a price on it if it does need replating.
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March 3rd 2009 at 10:21 PM
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tt350chevelle
Starting Member
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38 Posts
Group: Members
Member Since: March 16th 2004
Current Sled: 2006 Fusion HO
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Quote originally posted by powder_special_900
good to know!! why would u get more HP?? Cause of less drag in the cylinder... ud think ud get better compression with 2? never seen that before haha
Single rings are nothing new, Polaris used singles in all the old (80's) Indy 400's and 600's. I still have a 85 400, it has 8800 miles, 115 psi comp, original pistons and rings.
Brad
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