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Kawasaki MX & Off-Road Dirt Bikes
2T Engine experts -> your opinions on top end rebuilds
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[QUOTE="adam728, post: 1408459, member: 55463"] Another reason 2 strokes eat up rings faster is the ports. For a good portion of their total up/down travel some sections of the rings are over a port, and not wearing against a cylinder wall. This causes the rings to wear unevenly, allowing blow-by in less time than if the entire ring were in constant contact with a cylinder wall. I've taken rings with way too many hours on them and set them into the bore (as to check end gap) and seen light around different areas between the ring and cylinder wall due to this uneven wear. Also as mentioned, usage determines how long between top ends. If you ride hard mx and are using an average of 35 hp on your 250 you won't see nearly the life span of the trail rider that uses an average of 10 hp of his 250. More load/heat wears things out faster. [/QUOTE]
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Dirt Bike Discussions By Brand
Kawasaki MX & Off-Road Dirt Bikes
2T Engine experts -> your opinions on top end rebuilds
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