MOTOCROSS December 29, 2022Paul Mos1 min VIDEO. Marvin Musquin on KTM 300 Two Stroke! The Dirtbike Magazine guys catched Marvin Musquin at Glen Helen riding a pretty much “stock” 300 SX KTM 2 stroke! Post navigation AnteriorVIDEO. SuperEnduro Poland 2023 | Junior ClassUrmătorDIRTBIKE Battle! KTM – BETA – HUSQVARNA – RIEJU – GASGAS – SHERCO