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Well i blew my top end on my sled.
- Good thing it was end of the season
started by powderforlife
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April 24th 2009 at 1:35 AM
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powderforlife
Average Member
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721 Posts 
Group: Members
Member Since: August 15th 2007
Location: Eagle river, Alaska
Current Sled: 1999 Powder Special 700
2008-2009 Miles: 250
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Well my last time riding was like 4-5 weeks ago i was crusing down the trail around 40-50 trying to catch up to my group just at the begining of the ride and all the sudden my engine just turned off . So i didn't think of too much because it was running perfect. I went to try to pull her over and i couldn't even bug it so i took off the spark plugs and saw that they where pure white. I knew my engine seized right there.. The weird thing is that 40 minutes before i checked the plugs and they hwhere golden brown. I got the sled into the shop pulled off the top ended and the left piston hit the exhaust port and the pistons olmost had a whole through the top. i will post pictures up later..
1999 Powder Special 700
Super-Q can
4 inch fly risers Powdermad throttle Ext, With Fly Extn. Brake line
billet adjuster blocks
Fox Shocks all the way around
surefoot grips
Tunnel Braces
With Pre-Filter material behind the hood screens
136 inch track with 2 inch paddle
Making a custom Airbox..
Boyesen Power Reeds arrived!
1996 550 Cougar Mtn.
Tunnel braces
Fly Oversized handlebars with Rox 2'' risors.
other family sled.
The new edition.
1993 Storm 750 SKS. my sled "The Project"
not running low compression
1998 Powder Special 600 EFI(stock) the dads sled
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Site Supporter
Group: Site Supporters
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April 24th 2009 at 8:45 AM
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KingPrat
Destroyer of Trailers
KingPrat just got back from New Hampshire. Plans for trips made!!!
Updated Thursday at 5:38 PM
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1032 Posts 
Group: Members
Member Since: September 13th 2008
Location: Saugerties, NY
Current Sled: 2000 Polaris XC 700 SP
2008-2009 Miles: 200
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Yikes! Man that sucks, good thing it was the end of the season. I bet you cracked a carb boot or a bad crank seal or something like that. Very weird that it was fine earlier in the day then blew up down the trail.
2000 XCSP 700: Edge rear suspension, 1.25 Ripsaw, 144 Accord Racing Warthog ZXP studs, Sportech Decals, Stripped Tunnel, 3" Riser, Gutted Airbox, Boyesen Rave Valves
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April 24th 2009 at 8:47 AM
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ridingthe600edge
sleds are all polished up and waiting for snow!!!
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566 Posts
Group: Members
Member Since: December 12th 2008
Location: Lowell, In
Current Sled: 2001 600 edge/2009 600 IQ
2008-2009 Miles: 1200 done
2009-2010 Miles: 2=yard!
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that sucks brother, but like you said at least the season is over anyhow and plenty of time before the snow starts flying again
2001 600 edge X almond spring on primary with 60gm wieghts, s&s rumble pack, gutted air box 6" woodys doolys carbides,196 woodys 1 1/4" studs
2009 600 IQ shift all stock still a virgin!! not for much longer
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April 24th 2009 at 6:56 PM
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xcfrider
New Member
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81 Posts 
Group: Members
Member Since: March 19th 2009
Location: Gladstone, Michigan, USA
Current Sled: 92 indy 500 sp
2008-2009 Miles: over 1000
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what kind of sled? look at the rubber boot between the carbs and the motor. I bet at least one of them has a crack in it.
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April 24th 2009 at 9:30 PM
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powderforlife
Average Member
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721 Posts
Group: Members
Member Since: August 15th 2007
Location: Eagle river, Alaska
Current Sled: 1999 Powder Special 700
2008-2009 Miles: 250
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the type of sled is a 1999 powder special 700. THe boots are in perfect condition from what i see from the top i haven't checked the bottom or the gasket/seal inbetween the motor and the boot.
1999 Powder Special 700
Super-Q can
4 inch fly risers Powdermad throttle Ext, With Fly Extn. Brake line
billet adjuster blocks
Fox Shocks all the way around
surefoot grips
Tunnel Braces
With Pre-Filter material behind the hood screens
136 inch track with 2 inch paddle
Making a custom Airbox..
Boyesen Power Reeds arrived!
1996 550 Cougar Mtn.
Tunnel braces
Fly Oversized handlebars with Rox 2'' risors.
other family sled.
The new edition.
1993 Storm 750 SKS. my sled "The Project"
not running low compression
1998 Powder Special 600 EFI(stock) the dads sled
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April 25th 2009 at 8:34 AM
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My guess is bad gas.
PJH Racing
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April 25th 2009 at 3:47 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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hole in top of piston usually means detonation, which caused the hot spot...
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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April 28th 2009 at 9:38 PM
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powderforlife
Average Member
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721 Posts
Group: Members
Member Since: August 15th 2007
Location: Eagle river, Alaska
Current Sled: 1999 Powder Special 700
2008-2009 Miles: 250
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Thats what i ended up finding on a few sites and book about the whole in the piston and it said either bad gas or the timing was off. There is olmost a hole in the piston but its not a hole
1999 Powder Special 700
Super-Q can
4 inch fly risers Powdermad throttle Ext, With Fly Extn. Brake line
billet adjuster blocks
Fox Shocks all the way around
surefoot grips
Tunnel Braces
With Pre-Filter material behind the hood screens
136 inch track with 2 inch paddle
Making a custom Airbox..
Boyesen Power Reeds arrived!
1996 550 Cougar Mtn.
Tunnel braces
Fly Oversized handlebars with Rox 2'' risors.
other family sled.
The new edition.
1993 Storm 750 SKS. my sled "The Project"
not running low compression
1998 Powder Special 600 EFI(stock) the dads sled
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April 28th 2009 at 9:45 PM
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that blows dude. But thats ok, fresh top end never hurt anyone.
00 xc/rmk... the new frankinsled.
98 xc 700
79' camaro Z28
77' silverado. old trucks are pimp!
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May 5th 2009 at 1:33 AM
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powderforlife
Average Member
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721 Posts
Group: Members
Member Since: August 15th 2007
Location: Eagle river, Alaska
Current Sled: 1999 Powder Special 700
2008-2009 Miles: 250
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thats so true... Plus it allows me to put in the set of boyesen 2 stage reeds that i bought for it. Instead of being able to access the reed cage from the outside of the block you have to take off the cylinders to get to the reed cages.Such a pain for such a small modification. Well i officially have all the parts now and hopefully i can get it together by this weekend.
1999 Powder Special 700
Super-Q can
4 inch fly risers Powdermad throttle Ext, With Fly Extn. Brake line
billet adjuster blocks
Fox Shocks all the way around
surefoot grips
Tunnel Braces
With Pre-Filter material behind the hood screens
136 inch track with 2 inch paddle
Making a custom Airbox..
Boyesen Power Reeds arrived!
1996 550 Cougar Mtn.
Tunnel braces
Fly Oversized handlebars with Rox 2'' risors.
other family sled.
The new edition.
1993 Storm 750 SKS. my sled "The Project"
not running low compression
1998 Powder Special 600 EFI(stock) the dads sled
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May 7th 2009 at 11:23 PM
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BskidooC
Senior Member
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2209 Posts
Group: Members
Member Since: January 31st 2006
Location: leadville, Colorado, USA
Current Sled: 07 Summit XRS 800
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Both plugs were white? If both were white I would think a crank seal failed, if just one side was white it could have been a number of things. U didnt lean out because of bad gas, u leaned out because of a fuel mixture problem. That really sucks dude.
mdmaniac- Detonation almost always damages the top edges of the pistons and the ring lands, almost never the center of the piston.
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July 14th 2009 at 4:07 PM
[ Modified July 14th 2009 at 4:07 PM
]
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mabeldk4
Starting Member
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12 Posts
Group: Members
Member Since: July 11th 2009
Current Sled: 1991 polaris 500 classic
2008-2009 Miles: 500
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dude the same exact thing happend to me on the river near my house. the only diffeerence is that mine didnt seize up like what happened to you. it was running great and then it just shut off. i melted holes in both the pistons. i think my reason was that the carbs were ajusted wrong and i was running too lean. make sure you check that out after you rebuild it.
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July 14th 2009 at 4:31 PM
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PrtclMn001
Doin' the things a particle can...
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272 Posts 
Group: Members
Member Since: January 6th 2009
Location: Oneida, NY
Current Sled: '09 Arctic Cat T500
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Quote originally posted by powderforlife
thats so true... Plus it allows me to put in the set of boyesen 2 stage reeds that i bought for it. Instead of being able to access the reed cage from the outside of the block you have to take off the cylinders to get to the reed cages.Such a pain for such a small modification. Well i officially have all the parts now and hopefully i can get it together by this weekend.
see, turn it into an opportunity! outstanding!
Good thing it was the tail end of the season at least!
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