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pipe repair
- wonderin whos done it
started by Snowguy0001
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January 8th 2009 at 3:22 PM
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Snowguy0001
H20 Pro
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183 Posts 
Group: Members
Member Since: January 6th 2008
Location: Hanover, USA
Current Sled: RMK 800 02'
2008-2009 Miles: 50
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so i recently bought a set of pipes for my rmk and lately I had been hearing a rateling or vibration noise, and it was due to not grinding the shock tower bracket enough. the bracket eventually dented the pipe about a 1/4 inch. I guess im just curious if the dent is witholding and performance and if it could be removed. I think i could get a tool in there and try and pop it out does anybody have any suggestions?? any help is appreciated!
2002 rmk 800
Slp twins w/STINGERS!
vforces
simmons ski's
shorty seat
8"wheels
4" pivot
ski-doo bearings on crank
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Site Supporter
Group: Site Supporters
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January 8th 2009 at 3:38 PM
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dtmmil
Senior Member
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3182 Posts 
Group: Members
Member Since: January 27th 2007
Location: Hawley, MN, USA
Current Sled: 99 xc700
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I wouldn't think a little dent like that would hurt anything.
Clutched
Jetted, boyesen reed petals, boost bottle, 98xc carbs slides, 1371 needles, gutted air box
Homeade 7 1/2" riser
Homeade suspension drop brackets
shortened and blackened windshield
powermadd handguards
144 conversion, tracks usa extensions, custom tunnel extension and rear bumper, IQ flap, 1.25" track
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January 8th 2009 at 3:43 PM
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ProjectRMK
...now rides a M1000
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523 Posts 
Group: Members
Member Since: March 3rd 2004
Location: Boise, ID, USA
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I've seen pipes reapired a few different ways. Some are easier than others, and some are really dangerous.
The best way and safest way IMO, it to drill a 3/8 hole on the opposite side of the dent and use a drift punch to tap the dent out from the inside. This requires a welder to patch the hole you drilled. If you have a welder, go this route. Be sure to grind away any ceramic coating from where you are going to weld. It doesn't like to be welded.
Another way that is a bit more dangerous requires that you plug one end of the pipe, fill it with water, plug the other end with a plug that alows you to apply air pressure into the pipe, and then presurize the small pocket of air inside the pipe VERY slowly until the dent pops out. Still dangerous because the dent popping out may rupture the wall or a plug may blow out taking someone out.
The other way I'm not even going to tell you, because it essentially makes a pipebomb out of it if it goes wrong.
I've seen some pretty mangled pipes on some sleds, and if your dent is only 1/4 deep, I would leave it alone and just ride!
Boise, Idaho
USA
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January 8th 2009 at 3:53 PM
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Dekk70
CRAZY OUTRAGIOUS !
Dekk70 Winter needs to hurry its a$$ up in getting here. READY TO RIDE!!!
Updated Thursday at 12:32 PM
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585 Posts
Group: Members
Member Since: January 3rd 2008
Location: Hawarden, Iowa, USA
Current Sled: 2002 Polaris RMK 700
2008-2009 Miles: 300ish
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Me and my dad have fixed o few pipes over the years. We drill a hole in the dent and pull it out by heating it and slammig something into it from the inside. Sorry I cant remember what we used but then we just brazed the hole shut. I think ProjectRMKs idea with a punch might be easier tho.
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January 8th 2009 at 4:00 PM
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bobp53916
Looking for Sno Pro motor mounts
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890 Posts
Group: Members
Member Since: December 14th 2008
Location: Gwinner ND/Waupun WI
Current Sled: 99 ZR600/2000 Sno Pro
2008-2009 Miles: 500+
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If you know someone that owns a body shop they should have a stud gun. It tack welds a stud to the dent and the slidehammer tightens onto the stud and pulls it out, only take a couple of minutes.
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January 8th 2009 at 5:34 PM
[ Modified January 8th 2009 at 5:35 PM
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fusionshuk06
Average Member
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570 Posts
Group: Members
Member Since: January 17th 2007
Location: Elba, New York, USA
Current Sled: 600 RR
2008-2009 Miles: ???
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I wouldnt worry about it a little dent shouldnt bother
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January 8th 2009 at 6:30 PM
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stringcheese
Serpentine Slayer
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647 Posts
Group: Members
Member Since: December 10th 2007
Location: Waterford, Michigan, USA
Current Sled: 93 TCAT,F7,85 MX
2008-2009 Miles: 431
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In the old days guys with fatty pipes who wanted a higher rpm pipe would hit them with a lead mallet and dent them! I'm not joking!!! Usually the dent is put on the fattest part of the pipe closest to the muffler.
Brappp cough cough brap--PPAAAAAAAAAHHH pull pull pull pull cough pfffft cough BRAAPPP-POP pull pull pull pull pull SH!T!
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January 8th 2009 at 8:48 PM
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gordonchaine
Lost never to be found.
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1803 Posts 
Group: Members
Member Since: December 5th 2008
Location: Wilmington, Vermont, USA
Current Sled: 2007 polaris edge xc
2008-2009 Miles: 1200
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Dent won't hurt it. But if you really want to fix it, I've done it like his: I've plugged both ends, one with a air chuck in it. Then I heat the dent and add air to it. The other way I've done it on bad pipes is to cut em in half a the weld, heat the dent and bang it out and weld it back together.
What's your problem? RUFWM?
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January 8th 2009 at 9:24 PM
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Snowguy0001
H20 Pro
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183 Posts
Group: Members
Member Since: January 6th 2008
Location: Hanover, USA
Current Sled: RMK 800 02'
2008-2009 Miles: 50
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thanks for all the good advice! I know if im going to worry about it so much right now, it mayturn into a summer project if im bored, but if i do i think i will try my new slide hammer, havent had the chance to use it yet.^^ haha i like the possible pipe bomb idea that could be bad lol!
2002 rmk 800
Slp twins w/STINGERS!
vforces
simmons ski's
shorty seat
8"wheels
4" pivot
ski-doo bearings on crank
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January 8th 2009 at 9:40 PM
[ Modified January 8th 2009 at 9:43 PM
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gordonchaine
Lost never to be found.
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1803 Posts
Group: Members
Member Since: December 5th 2008
Location: Wilmington, Vermont, USA
Current Sled: 2007 polaris edge xc
2008-2009 Miles: 1200
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Not that much P.S.I.!
What's your problem? RUFWM?
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January 9th 2009 at 9:03 AM
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zxkid
not really a kid anymore :(
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493 Posts
Group: Members
Member Since: February 29th 2008
Location: N.Adams, MA, USA
Current Sled: 2004 F7 SnoPro EFI
2008-2009 Miles: 1312
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Dent won't hurt, my 2 stroke dirtbike pipes used to get huge dents all the time, ran fine
"To be old and wise, you must first be young and stupid"
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January 9th 2009 at 9:29 AM
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M_Billiaert
doo not ski doo skidont and do the polaris
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66 Posts 
Group: Members
Member Since: March 4th 2008
Location: Brandon, manitoba, Canada
Current Sled: 2003 pro x 700 1996 ultra
2008-2009 Miles: 300 mile
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Quote originally posted by ProjectRMK
I've seen pipes reapired a few different ways. Some are easier than others, and some are really dangerous.
The best way and safest way IMO, it to drill a 3/8 hole on the opposite side of the dent and use a drift punch to tap the dent out from the inside. This requires a welder to patch the hole you drilled. If you have a welder, go this route. Be sure to grind away any ceramic coating from where you are going to weld. It doesn't like to be welded.
Another way that is a bit more dangerous requires that you plug one end of the pipe, fill it with water, plug the other end with a plug that alows you to apply air pressure into the pipe, and then presurize the small pocket of air inside the pipe VERY slowly until the dent pops out. Still dangerous because the dent popping out may rupture the wall or a plug may blow out taking someone out.
The other way I'm not even going to tell you, because it essentially makes a pipebomb out of it if it goes wrong.
I've seen some pretty mangled pipes on some sleds, and if your dent is only 1/4 deep, I would leave it alone and just ride!
The other way your talking about is that with a plug and some theather cus that way is F'N crazzy!!!
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