Fiche technique Yamaha YZ 490 2T(1985) - 50factory.com
KTM/Husqvarna cancels upcoming 490/501 twin cylinder platform, will move forward in partnership with CF Moto with a 700 twin cylinder platform instead. : r/motorcycles
1982 Yamaha YZ 490 Cross - Motos d'époque - Ruote da Sogno
File:Yamaha YZ 490 2012 570.jpg - Wikimedia Commons
KTM : la série 490 attendue avant la fin de cette année - 1001PNEUS.BLOG
Rumoured new KTM 490 range set to debut this year with five variants - Motorcycle news, Motorcycle reviews from Malaysia, Asia and the world - BikesRepublic.com
Fiche technique Yamaha IT 490 L 2T - 50factory.com