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Old 12-12-2001, 10:12 PM
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w0mbat
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Default magnum engines

I have a 120 and noticed that after a gallon of fuel, my engine lost a lot of power - once I adjusted the rocker valves everything was good. Except for my YS120, I have never had to adjust the valves on any 4 stroke.

I really like this engine though, it always starts on the first flip and has never quit in the air.