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Discussion Starter #1
will guys i finally needed to freshen up the ole 525. got it apart. rings had .0075 ring end gap .wow , that is worn out. cylinder was fine, replaced intake valves they were sucked in bad. and valve seals. new rings. all and all things went pretty smooth. cant wait to ride first race is in 5 weeks GAME ON
 

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how many running / racing hours for that wear on the engine ?
 

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Rocket Ron I to would like to know how many hours, did you keep track? the bike guys say it's a waste of time under 100 hours, have heard of 800+ hours w/out coming apart, I know quads are much harder on engine parts.. thx
 

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Discussion Starter #4
about 160hrs
 
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