Plot hole: Nogerelli says to himself that the gap past Deadman's Curve must be 100 feet wide. How on earth was Michael meant to have made a jump of 100 feet (or even a few feet less) after both being slowed down by crashing through the wooden barriers and also by not having a ramp and therefore no upwards boost? He would have plummeted to the bottom.
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Suggested correction: If you listen during the scene, you can hear he was actually accelerating while crashing through the barriers and when Davy ran to the edge of the gap you can see a slight hump which would have acted like a ramp. Besides, in the movie's universe, Michael jumped a cop car without a ramp, so we're led to believe he can randomly lift his bike at fast speeds.