I change my piston, rings at about 80 hours, others here in Greece keep them till 150! with no issues.
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EC250 2008 Skid plate, rad braces, Fork bleeders
Drz 400 Motard '03 (full spec)
Yz 250 '06, KTM exc 250 '05, exc 250 '04, exc 250 '02
WRF250 '02, KDX 220 '98, DT200R '93 all sold
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