gptkbp:instance_of
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gptkb:Racing
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gptkbp:annual_event
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gptkb:Yes
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gptkbp:associated_with
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gptkb:AMA_Supercross
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gptkbp:broadcasts
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gptkb:CBS_Sports
gptkb:ESPN
gptkb:NBC_Sports
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gptkbp:championship
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gptkb:National_Championships
Regional Championship
East and West Regions
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gptkbp:features
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250cc two-stroke or four-stroke motorcycles
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gptkbp:first_held
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gptkb:1985
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gptkbp:governed_by
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gptkb:FIM
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gptkbp:has_history
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Established in 1985
Featured in video games
Grew in popularity in the 1990s
Developed fan base
Evolved from 125cc class
Incorporated international riders
Influenced motocross culture
Introduced new technology in bikes
Part of AMA Supercross since inception
Promoted by major sponsors
Recognized by FIM
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https://www.w3.org/2000/01/rdf-schema#label
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250 SX Class
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gptkbp:is_popular_in
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gptkb:United_States
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gptkbp:notable_race
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Outdoor venues
Indoor stadiums
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gptkbp:notable_rider
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gptkb:Eli_Tomac
gptkb:Chad_Reed
gptkb:Justin_Barcia
gptkb:James_M._Stewart
gptkb:Ryan_Villopoto
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gptkbp:offers_courses_in
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Pro Class
Amateur Class
Veteran Class
Women’s Class
Youth Class
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gptkbp:part_of
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gptkb:World_Rally_Championship
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gptkbp:requires
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Rider skill
Motorcycle maintenance
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gptkbp:rules
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Weight limits
Safety gear requirements
Race format
Point system
Engine displacement limits
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gptkbp:sponsors
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gptkb:Red_Bull
gptkb:Honda
gptkb:Suzuki
gptkb:Yamaha
gptkb:Kawasaki
gptkb:Monster_Energy
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gptkbp:bfsParent
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gptkb:Supercross_Championships
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gptkbp:bfsLayer
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7
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