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1997 ZR 580 - compression 121, 15
- PIstons look ok, but the engine won't start.
started by SPEEDXXDEMON700
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March 16th 2009 at 1:03 PM
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SPEEDXXDEMON700
Starting Member
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22 Posts
Group: Members
Member Since: January 23rd 2009
Location: Ontario, Canada
Current Sled: 1998 Yamaha SRX 700
2008-2009 Miles: 200
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I am posting this because the sled broke down as my dad was driving it home and we towed it home and thats when we discovered the problem. I had a look at the engine and i couldn't see any holes in the piston and they both move up and downlike they should. So I am wondering what else could cause the low compression, thank you.
1999 Yamaha BIG BEAR 350
1998 Yamaha SRX 700
1997 Arctic Cat ZR 580 EFI
1994 Arctic Cat COUGAR 440 L/C
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Site Supporter
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March 16th 2009 at 1:19 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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not sure i understand, but do u mean one cylinder is 121psi and the other is 15psi?
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 16th 2009 at 5:18 PM
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SPEEDXXDEMON700
Starting Member
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22 Posts
Group: Members
Member Since: January 23rd 2009
Location: Ontario, Canada
Current Sled: 1998 Yamaha SRX 700
2008-2009 Miles: 200
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Yes one cylinder is 121 psi and the other is 15 psi. Also to add I noticed the cylinder wall on the side with 15 psi has marks on, I'm not sure if this is related though.
1999 Yamaha BIG BEAR 350
1998 Yamaha SRX 700
1997 Arctic Cat ZR 580 EFI
1994 Arctic Cat COUGAR 440 L/C
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March 16th 2009 at 8:57 PM
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polaris21
Have fun while you can, cuz lifes real!!
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338 Posts 
Group: Members
Member Since: August 30th 2006
Location: Dakota, IL
Current Sled: sold the mxzx 440
2008-2009 Miles: 25+
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Its blown up, replace the piston and ring.
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March 16th 2009 at 9:06 PM
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polaris91
117 racing
polaris91 ugh.
Updated Tuesday at 8:30 PM
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3647 Posts 
Group: Members
Member Since: March 9th 2006
Location: bridgeport, new york, USA
Current Sled: 1991 indymod/2005 xcsp600
2008-2009 Miles: 2900
2009-2010 Miles: grass!?
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and possibly the cylnder those marks woild be your problem
1990 indy trail bored.20over, ported and polished, cluched and geared, chaincase/brakes/jackshaft from 93 xlt, headlight cover, teather, some custom painting, black skid plate, blue running board trim, fox shocks, blue/gray powermadd handguards, 2 in powermadd riser, fly bars/barpad,blue leds(underglow),1 in lug track, teather mount from a 96xcr440,blue guage bulbs, blue c&as, xtra 10 rear, and edge seat and tank.
2005 xcsp 600,chrome windy,stripped decals,3.5 inch rox riser,white powermadd handguards,white c&a ultra 3 skis 6in shapers,camoplast cobra,slp can,fly bars/barpad,xeon headlight bulbs,rsi barhooks,odi grips,light blue clutch spring,slp vents,black headlight cover,billet wheels,rydefx clicker,
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March 16th 2009 at 9:52 PM
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thewayout440
777
thewayout440 mmmmpow.
Updated Last Monday at 7:17 AM
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3162 Posts
Group: Members
Member Since: June 3rd 2006
Location: chittenango, ny, USA
Current Sled: 2005 iq r 440
2008-2009 Miles: 1250 ish
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^^^x2
TEAM 50 CAL.
2005 iqr 440 stock:(
prox 440 chassis water xer in the making 600 big block motor other odds and ends
2003 prox 600 ( SOLD )
rumble pack can, vforce 3 reeds, powermadd hand guards, low black windshield, 1.25 kimpex x-force, 96 woodys studs w/ double backers and tall nuts, black c&a adx's, shorty, race snowflap, 6in riser w/ protaper sno-x bars, wps mountain bar and alluminum throttle block, long grips, black xxx mod rods hood
(plenty more to come)
1995 xcr 600 triple ( SOLD )
fox shox, xtra 10 rear, tether, shorty seat, edge tank, custom paint, dg can, low black windshield, 1 in track, pod filters, xeon bulb, custom bars set up, black headlight cover, sno-stuff skis
The c&a's are like running power steering, you don't need to put any effort for it to turn.
-xcr440
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March 17th 2009 at 10:21 AM
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SPEEDXXDEMON700
Starting Member
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22 Posts
Group: Members
Member Since: January 23rd 2009
Location: Ontario, Canada
Current Sled: 1998 Yamaha SRX 700
2008-2009 Miles: 200
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Ok thank you guys I will do that. Also I heard you can have the cylinders bored out to repair it, but is it better to replace them?
1999 Yamaha BIG BEAR 350
1998 Yamaha SRX 700
1997 Arctic Cat ZR 580 EFI
1994 Arctic Cat COUGAR 440 L/C
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March 17th 2009 at 11:50 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 believe you can bore them out, but you still have to buy all new pistons and gaskets and stuff. I'm not sure, but i was going to buy a wildcat with a bored out engine, and the guy said i just had to put it together, with all the new parts for the new size.
I would think that it would be better to replace the piston/possibly the cylinder.
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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March 17th 2009 at 11:56 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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you can bore them, but you have to bore it right out and sleave it.... cant just bore it out .020 and pop a piston in. Might be able to get away with a ball hone to polish it up, sounds like ur rings are shot though for sure
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 17th 2009 at 12:15 PM
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SPEEDXXDEMON700
Starting Member
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22 Posts
Group: Members
Member Since: January 23rd 2009
Location: Ontario, Canada
Current Sled: 1998 Yamaha SRX 700
2008-2009 Miles: 200
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Ok thanks for the help guys.
1999 Yamaha BIG BEAR 350
1998 Yamaha SRX 700
1997 Arctic Cat ZR 580 EFI
1994 Arctic Cat COUGAR 440 L/C
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March 23rd 2009 at 3:11 PM
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SPEEDXXDEMON700
Starting Member
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22 Posts
Group: Members
Member Since: January 23rd 2009
Location: Ontario, Canada
Current Sled: 1998 Yamaha SRX 700
2008-2009 Miles: 200
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For a update guys I have the engine apart and I can see the rings on the one side are damaged. I bought a piston pin puller but I was unable to remove it, so I'm wondering if i'm doing something wrong or if the pins just seized. Any help would be great if anybody knows any tricks, thank you.
1999 Yamaha BIG BEAR 350
1998 Yamaha SRX 700
1997 Arctic Cat ZR 580 EFI
1994 Arctic Cat COUGAR 440 L/C
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March 23rd 2009 at 3:25 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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Quote originally posted by SPEEDXXDEMON700
For a update guys I have the engine apart and I can see the rings on the one side are damaged. I bought a piston pin puller but I was unable to remove it, so I'm wondering if i'm doing something wrong or if the pins just seized. Any help would be great if anybody knows any tricks, thank you.
You did pull the circlip right? I've run into this quite a few times with engines that have burned down, the heat seems to sieze the pin in the piston. I have a puller, I think its actually a pulley puller that fits over the piston and presses the pin out. Your probably going to have to have it pressed out, or maybe try heating the piston.
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March 23rd 2009 at 5:44 PM
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SPEEDXXDEMON700
Starting Member
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22 Posts
Group: Members
Member Since: January 23rd 2009
Location: Ontario, Canada
Current Sled: 1998 Yamaha SRX 700
2008-2009 Miles: 200
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is A circlip something that goes through the pin? I think your probably right about heating it up or having it pressed out because my dad already bent the pin puller tool in it, so if its that tight it must need to be done another way. Thank you for the help.
1999 Yamaha BIG BEAR 350
1998 Yamaha SRX 700
1997 Arctic Cat ZR 580 EFI
1994 Arctic Cat COUGAR 440 L/C
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March 23rd 2009 at 5:46 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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Theres a little wire clip on each side of the piston that keeps the pin from sliding out the side of the piston. If you havent taken these out you wont be able to remove the pin.
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March 23rd 2009 at 5:53 PM
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SPEEDXXDEMON700
Starting Member
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22 Posts
Group: Members
Member Since: January 23rd 2009
Location: Ontario, Canada
Current Sled: 1998 Yamaha SRX 700
2008-2009 Miles: 200
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I will have to ask my dad because I wasn't there for that part, and I didn't bother looking at it after he couldn't get it out. However the day when we took the clyinders off I didn't notice that wire clip, but is it possable it heated up and joined the piston/pin. I will have another look at it tommorow, we might of missed it.
1999 Yamaha BIG BEAR 350
1998 Yamaha SRX 700
1997 Arctic Cat ZR 580 EFI
1994 Arctic Cat COUGAR 440 L/C
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March 23rd 2009 at 7:49 PM
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SPEEDXXDEMON700
Starting Member
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22 Posts
Group: Members
Member Since: January 23rd 2009
Location: Ontario, Canada
Current Sled: 1998 Yamaha SRX 700
2008-2009 Miles: 200
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I just talked to my dad and he said he seen A small hole in the piston, but he didn't think he could get A tool in.
1999 Yamaha BIG BEAR 350
1998 Yamaha SRX 700
1997 Arctic Cat ZR 580 EFI
1994 Arctic Cat COUGAR 440 L/C
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March 24th 2009 at 3:34 PM
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SPEEDXXDEMON700
Starting Member
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22 Posts
Group: Members
Member Since: January 23rd 2009
Location: Ontario, Canada
Current Sled: 1998 Yamaha SRX 700
2008-2009 Miles: 200
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When we were disconnecting the hoses that go to the bottom of the clyinder one of them broke at the part where both hoses go to,and I am wondering how hard this will be to replace.It is A little metal valve that broke.
1999 Yamaha BIG BEAR 350
1998 Yamaha SRX 700
1997 Arctic Cat ZR 580 EFI
1994 Arctic Cat COUGAR 440 L/C
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