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Discussion Starter #1
hi i am looking at buying a 1987 lt4wd 25 off of a friend for 600 bucks the quad is mint becides that it smokes... now the problem i have is that the rings were suposedly done within 3 years ago and was used for 2 years then laid up for 1 year... it didnt smoke one bit before it was laid up so im wondering what parts i would have to order to fix this quad... should i just replace the piston and rings... or is there a possibility that if the rings are stuck i will get them free without tearing too much up and when i do take it apart if the rings arnt stuck how will i know if they are bad or not? i dont have any specs on the clearence for the piston and rings so if anyone has them that would be great... also it crossed my mind that the valve seals could have dried out and shrunk and cracked after the years espissally after being laid up but i have never changed valve seales on a quad... i know how to remove them and reasemble them but how do i adjust the valves once it is all put back togeather...
 

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Discussion Starter #3
alright thanks saber i think ill pull the head off and do the valves and seals and seats first... then if that dosnt fix the problem ill pull the cylinder and checke my clearences on the rings nad for stuck rings...
 

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Discussion Starter #5
no i havnt yet but by the feel of the engine and pulling/turning it over it does feel liek a new set of rings... ill be testing the compression anyways when i get the quad in my workshop. also i dont think any of the valve parts were done because i was told only the rings were replaced and nothing else... but hoe would i tell if the valve its self is bad?
 
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