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Ok, so i F'd it up
- My pistons are not budging.
started by tdgbigfoot
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October 12th 2009 at 11:17 AM
[ Modified October 12th 2009 at 11:38 AM
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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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I have had the top end apart on my 91 formula plus, for all summer. Dumb idea,i know moisture. But what do i do now?
The pistions are not moving. They were fine at the beginning of the summer. Will oil somehow loosen them?
 1991 skid doo Formula plus
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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Site Supporter
Group: Site Supporters
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October 12th 2009 at 11:41 AM
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flatlander_summit
The Law
flatlander_summit combined yesterday, combining today...
Updated Last Sunday at 9:15 AM
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1173 Posts
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Location: Jamestown, ND, USA
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You can fill the cylinders with diesel fuel or some sort of penatrating oil and let it sit and see if that will help you break it loose.
04 MXZx 440
03 MXZx 800 Factory Mod--soon to be 144 with some more goodies.
99 Summit X 670
98 MXZ 583
It's starting to look like I bleed yellow.
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October 12th 2009 at 11:59 AM
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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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Diesel? guess that makes sense.
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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October 12th 2009 at 12:06 PM
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97xlt600
Average Member
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680 Posts 
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Location: Yale, michigan, USA
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Or trans fluid that has worked on my bikes and older sleds.
1997 xlt 600 trips beat a pair every time... IF they hold together!!!!
1992 wrangler lifted a lot of fun.
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October 12th 2009 at 12:14 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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Ok, so i can just pour it right over my pistons? Is this going to affect my engine? I know Diesel would be ok, right? I have a guy who runs an 80's sled on nothing but straight diesel. SI let it sit for a little while?
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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October 12th 2009 at 3:09 PM
[ Modified October 12th 2009 at 3:10 PM
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OhioPolarisKid
Advanced Member
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1155 Posts
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Member Since: January 22nd 2008
Location: Farmersville, Ohio, USA
Current Sled: 1999 Indy 500 XC SP
2008-2009 Miles: 1340
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Quote originally posted by tdgbigfoot Ok, so i can just pour it right over my pistons? Is this going to affect my engine? I know Diesel would be ok, right? I have a guy who runs an 80's sled on nothing but straight diesel. SI let it sit for a little while? Diesel shouldnt hurt it, but you dont want to run gas in a diesel. It will basically detonate your motor. Id say itd be worse then running 87 octane when you need race fuel. Yesterday we worked on our log splitter,which hasnt been sitting for more then 8 months, and she was locked up good. I think my brother put sprayed some PB blaster or something right in the spark plug hole and it freed up. And do you have any details on how he is running straight diesel? Id be surprised if a regular little block would hold up to the compression that a diesel needs to run. Plus itd need a special fuel system since you cant put a carburetor on a diesel. Id really like to see how it does, and how its set up to run on diesel.
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October 12th 2009 at 7:43 PM
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brentsboats
THE BOSS
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5 Posts
Group: Members
Member Since: October 12th 2009
Location: HADLEY, MASS, USA
Current Sled: 1 CAT 5 POLARIS 90S
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Quote originally posted by tdgbigfoot
I have had the top end apart on my 91 formula plus, for all summer. Dumb idea,i know moisture. But what do i do now?
The pistions are not moving. They were fine at the beginning of the summer. Will oil somehow loosen them?
1991 skid doo Formula plus go get a big bucket ,,and start soaking the parts ..before its to late .. use lots of oil .. chances are the crank is frozen solid at the bearings ,,lots of oil .. needed ..do not force ,,let them soak
BRENT CICHY
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October 12th 2009 at 8:41 PM
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Luke
Snowmofile
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903 Posts
Group: Members
Member Since: November 27th 2005
Location: Rotterdam, NY, USA
Current Sled: 1998 XC 700
2008-2009 Miles: 410
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Was it sitting in a garage? Covered? Do you think water got into the crank or was it just humidity? If no water got on there and its just a little rust binding the rings to the cylinder wall then spray some PB blaster in there and let it sit overnight. Then take a 2x4 and a hammer and LIGHTLY tap each piston a little bit, alternating a few hits on each piston then the other. If its not to bad it should free up pretty easy. But if it dosnt, I would pull the engine and start disassembling.
Good Luck
1998 XC 700
SLP pipe, boost bottle, power packs, VForce, clutched, Ripsaw 1.25, M-10 susp, 2 in riser, handlebar hooks, third testicle, and good brakes.
"I have not failed, I've just found 10,000 ways that won't work." - Thomas Alva Edison
Amsoil dealer
http://www.galushascottages.com
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October 12th 2009 at 8:44 PM
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polarisripper28
Average Member
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777 Posts
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Location: Ashby, MA, USA
Current Sled: 1996 Ultra SKS
2008-2009 Miles: 800
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i know ppl are gonna be mad. i have had the same problem on my 1981 ss 377. just work the primary clutch back and fourth. i have done this 4 or 5 times in a summer and i sill have awsome compression.
1996 polaris ultra sks
*sweet red shock springs
*sweeter red vents
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October 12th 2009 at 9:12 PM
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slednut55
wanna race?
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685 Posts
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Location: Emerald, WI, USA
Current Sled: 96' mxz, 91' mach 1 xtc
2008-2009 Miles: 2300
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you could try to break it free by grabbing the primary clutch and trying to turn it carefully. i would only do it after it has soaked in something.
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October 13th 2009 at 1:54 PM
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robssportandlawn
Starting Member
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8 Posts
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Member Since: October 7th 2009
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Quote originally posted by slednut55
you could try to break it free by grabbing the primary clutch and trying to turn it carefully. i would only do it after it has soaked in something.
once moisture in motor will cause damage down the trail,disassemble all way down to crank,then clean and lube,have tech inspect crank bearings,cylinders and pistons,before reassembly with new gaskets and seals,you can just break it loose and it will run like all mentioned,but bet ya money it pukes,later water,metal,and air makes instant rust,rust will cause failure sooner or later,just like cancer attacks a body,it spreads till ya remove it completely.
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October 16th 2009 at 7:09 AM
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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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It was in a garage, so it was just humidity or moisture in the air.
I let her soak, then see if it willw work.
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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November 4th 2009 at 12:19 PM
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cristekgwild
New Member
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82 Posts 
Group: Members
Member Since: April 14th 2009
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dude your good just fill it to the top with oil and wait a couple days and let it penetrate. and then start rocking the clutch back and forth with your hand EASY! dont be like me and use a hammer becuase i unlocked it but rewind my cluth after cracking it haha.
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November 4th 2009 at 2:48 PM
[ Modified November 4th 2009 at 2:49 PM
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ZRT600
Senior Member
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2914 Posts 
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Location: Sudbury, Ontario, Canada
Current Sled: 09 X-Fire 800 SnoPro
2008-2009 Miles: 610
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Quote originally posted by OhioPolarisKid
And do you have any details on how he is running straight diesel? Id be surprised if a regular little block would hold up to the compression that a diesel needs to run. Plus itd need a special fuel system since you cant put a carburetor on a diesel. Id really like to see how it does, and how its set up to run on diesel.
There are carbed diesel engines, 2 strokes, I've worked on a couple, I'm almost positive they are Deutz engines. I'd really like to see how this sled runs on diesel, must be a diesel engine and not the original engine.
Make sure whatever you use you get out of the bottom end of the engine so you don't have any issues on start up. I would say if you have diesel handy to use that.
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November 4th 2009 at 5:02 PM
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INDY400MOD
Full Throttle
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2008-2009 Miles: 700
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i no this sounds dumb but my grandfather restores old cars and when the engines are seezed he takes them apart and pours coca-cola in there with a little oil it works everytime
2001 XC 500
4" powermadd bar risers
Sno-stuff rumble pack
96 woody's picks
powermadd handguards
red windshield
black headlight cover
1993 Chevy 1500 2wd V6 Dual Exhaust, with some other goodies but i'll never tell, It will give your V8's a run.
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November 4th 2009 at 7:38 PM
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duece
Junior Member
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227 Posts
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wd 40 it frees it up and absorbs moisture
gerald j sullivan
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November 4th 2009 at 8:26 PM
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motor-king
Starting Member
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Quote originally posted by polarisripper28
i know ppl are gonna be mad. i have had the same problem on my 1981 ss 377. just work the primary clutch back and fourth. i have done this 4 or 5 times in a summer and i sill have awsome compression.
4 or 5 times in a summer??? You must live in some nasty climates!
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November 5th 2009 at 7:08 AM
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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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Ok, i cant fill up the cylinders, because one of the pistons is all the way down on its stroek, so it will just go into the rest of the engine.
I tried WD 40, didnt do anythign. I onlyt tried once. I turn the clutch, it just moves on its own.
For those interested in the diesel runnin gsled- its just a plain old yamaha bravo. Completly regular sled. One day he poured diesel in it, and it ran better than it did on gas. Nothing special to the sled, whoda thunk it!
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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November 5th 2009 at 11:31 AM
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DoubleClutch
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I have a motorcycle and atv repair shop and have had a few that where locked up and i use a home mix I make from ATF and Blaster. I mix it 50/50 and it works every time. pour it on top of pistons and let sit over night and try rolling the motor over by the crank in the morning.
When I Die I Will Be Going Threw The Pearly Gate's Backwords And On Fire And Yelling Where's The Women!!!
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November 5th 2009 at 11:58 AM
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driftpounder
Canadian Psycho
driftpounder can already hear the BBBBRRRRRAAAAAPPPPP! of the MBRP.
Updated Last Monday at 3:23 PM
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Quote originally posted by INDY400MOD
i no this sounds dumb but my grandfather restores old cars and when the engines are seezed he takes them apart and pours coca-cola in there with a little oil it works everytime
Thats not as crazy as it sounds, I have watch guys use coke for a lot of different things, like polishing chrome, removing surface rust, etc. I had it explained to me how it worked, but I can't remember off hand exactly what it was that causes it to eat away at this stuff.
'06 Fusion 700 0 miles just bought it
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November 5th 2009 at 12:22 PM
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picman
Junior Member
picman is off to bag his buck. I hope. Skunked so far.
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Something to do with the acidity in colas. Coke was most well know for this. Back when I was in high school we took a totaly rusted nail and cleaned it with Coke.
BTW, I know people who use it to tenderize ducks. I know-just slightly off topic.
Find the line between respect and fear....then flirt with it
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November 5th 2009 at 12:40 PM
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polarisSledhead
Home fry
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27 Posts
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When the ex filled mine with water we freed the pistons with a lot of WD-40 and a SOFT rubber mallet
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