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This is very confusing to me. I make more than 50 hp with a 250cc engine. I have spent many hours and made dozens and dozens of dyno runs and many one mile passes. I have never just snapped rods. If it was an oil problem the rods would have broken at the bearing. Or if it was excess heat the bolts would have broken and the rods would show blueing.
But to just snap rods is something I have never seen. Are those forged pistons? What oil are you using?
How are the valves? This is something you should get to the bottom of.
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Top speed 123.369mph. Ohio mile
Worlds fastest 250 ninja
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