03 Z 570 MANGLED PISTON/CYLINDER!! WTF! - ArcticChat.com - Arctic Cat Forum

 
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post #1 of 7 Old 03-16-2006, 11:34 AM Thread Starter
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Sled: 2002 800 EFI CC
08-09 Mileage: 656
07-08 Mileage: 1900
ATV: 2007 650H1 TBX
2007 Mileage: N/A
I'v got a 2003 Z 570 and it's an amazing sled, corners amazing, best class performance, amazing comfort, all the magazines rave about it. I had 2500 trouble free miles on it when all of a sudden I was riding home the other day when everything just turned off and I was coasting in the pitch black! I got towed home and the next day I was looking to see wtf happended, I thought some water had gotten in the gas and it had frozen because it ws sitting outside at a friends house for a while, but after 4 hours I got it to start up and it was running on 1 Cylinder.
I took the piston out and what happened was the clip came out and the ring had turned and caught and got ripped out and cut big grooves out of the cylinder and imbedded pieces into the top of the piston! Anyone know why this happed?!
It rane perfect before that. Thanks A lot.
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post #2 of 7 Old 03-17-2006, 07:47 PM
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same thing happened to my uncles 570, must be a cats problem. sorry dude, ive been there, it sucks. ps drink heavily
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post #3 of 7 Old 03-18-2006, 06:53 PM
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Sled: 2004 Z440 LX
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09-10 Mileage: 700 miles
ATV: 05 Silverado
I believe the same thing happened to my Z440. I thought it was due to the SPI pistons I had put in (I was told that they are prone to snapping the ring post). But given some of the posts on this site, I'm not so sure.

Sorry to hear about the sled.


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post #4 of 7 Old 03-20-2006, 03:22 PM
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There were some models that had an issue with the pistons. The ring locator pin would sink into the piston and allow the rings to turn. A couple of years ago I rebuilt the top end of my ZR580 and after a couple hundred miles the same thing happened to me. Cat replaced both pistons and one cylinder. It is a known issue and if you have a good dealer they should be able to get that looked after for you.

[
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post #5 of 7 Old 04-10-2006, 04:42 PM Thread Starter
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Sled: 2002 800 EFI CC
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Sweet; at least I now know that Im not the only one this happened to! Thanks for the info!......... <-------WTF! lmoa!
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post #6 of 7 Old 04-19-2006, 08:22 PM
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Sled: 1998 ZR600 efi LTD edition
07-08 Mileage: 80
06-07 Mileage: 1900
ATV: 86 chevy
yup happened to me too. redid a 580 for my mother-in-law then not even 300 miles afterwards the pin turned sideways in the ring groove and allowed the ring to turn and wreak the piston and cylinder. not a cheap fix again and try to explain that to the owner that it wasnt my doing and it just plain ole sucks. and to top it all off i askd my dealer about any kind of warranty and he said not on pistons sorry. so being the nice in-laws they are they understood what hapened after i showd the pin turned in the piston and they paid again to do it. ****** thing to happen but i guess it happens.

Happy riding!!!!!!!
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post #7 of 7 Old 04-19-2006, 11:58 PM
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Sled: 01 ZR 600 X
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Those 570 aren't exactly the best engines

the 440fan were much better

[b]SUMMER SUX
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