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New Book By Geisner Traces Story Behind Harley-Davidson's Entry Into Motocross Racing – Ste. Genevieve Herald
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Harley Street Rod Dirt Bike: “MP119” – BikeBound
The Five Best Harley-Davidson Dirt Bikes of All-Time
GP's Classic Steel #16 – 1975 Harley Davidson MX-250 – PulpMX
A Short Story on Harley-Davidson's Factory Motocross Effort – Rider Files
Harley Street Rod Dirt Bike: “MP119” – BikeBound
CLASSIC MOTOCROSS IRON: 1971 HARLEY-DAVIDSON BAJA 100 - Motocross Action Magazine
1978 AMF Harley-Davidson MX-250 Classic Motocross Review - YouTube
Harley Street Rod Dirt Bike: “MP119” – BikeBound
Harley Street Rod Dirt Bike: “MP119” – BikeBound
The Forgotten Harley-Davidson MX-250 Motocrosser at Cyril Huze Post – Custom Motorcycle News
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That Time Harley-Davidson Made Dirt Bikes
CLASSIC MOTOCROSS IRON: 1975 HARLEY-DAVIDSON MX-250 - Motocross Action Magazine
1978 Harley Davidson MX250 - YouTube
ALTA AND HARLEY-DAVIDSON PARTNER UP - Dirt Bike Magazine
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