| 11. | It was really a sub-par attempt at building a dirt bike.
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| 12. | But always at the top of the list was the latest dirt bike.
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| 13. | Off-road vehicles include four-wheel all-terrain vehicles, dirt bikes Jeeps and trucks.
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| 14. | There are also unpaved trails used by dirt bikes and other off-road vehicles.
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| 15. | A dirt bike enthusiast, Stojko would like to get involved in car racing.
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| 16. | The same type of engine found in the 100-250cc dirt bikes.
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| 17. | But don't worry, that might prove the existence of dirt bikes on Mars.
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| 18. | In the distance dirt bikes popped into the air above the hummocky dunes.
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| 19. | These ATV's and dirt bikes are now constantly racing through their property everyday.
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| 20. | And then there is his fleet of motorcycles and dirt bikes.
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