The first AMSOIL Swapmoto Race Series event of the year went off last weekend at Glen Helen Raceway, and we were stoked to see Marvin Musquin pull into the track to have some fun. We were even more excited when we saw the bike in the back of his truck: a KTM 250 SX two-stroke! Always the gentleman, MM elected to race without being scored, so that he didn’t take money out of a local pro racer’s pocket. We chatted him up in between motos…