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08 rmz motor troubles

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hey all,

I have a 2008 rmz 250 that won't run. I just recently put an hour meter on it, I would estimate that I have roughly 80 hours on it. It has been an awesome bike. I am very good at changing the oil and oil filter on it regularly.

I was out riding today and it just died. Seems like there is similar compression between it and the brand new 09 in my shop. Checked the valves and they are within spec. We have big blue spark. Have not disassembled carb yet but believe we have fuel.

Not sure what to think. Maybe it dropped a valve? Any other ideas? I will most likely will take it in to my dealership.

Thanks,

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drain the oil, to see if it's milky. might have a water leak... pump seal... cracked cylinder... did you try to pop-start it? loosen the drain-nut beneath the carb bowl and make sure gas continues to come out (i've had the float valves stick on my quads) so go gas, oil, then check the valve clearence.

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