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Recommendation: Hours on top end before change for a 125 and a 250 2 stroke?
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[QUOTE="2-Strokes 4-ever, post: 1416009, member: 58946"] Our RM250 has seen extensive porting work (perhaps shortening top end life) and is woods ridden... not seeing high RPMs too often. We get 80-90 hrs out of a piston, but ring it at 40-50. RM125 also woods ridden, but that motor is worked hard. Piston about 70-80 hours and again, re-ringed half way through (This old 98 RM125 is really easy on top ends... but hard on breaking power valves :| ) [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Recommendation: Hours on top end before change for a 125 and a 250 2 stroke?
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