YAMAHA YZ 490 1986 Make YAMAHA Displacement 490 Model YZ 490 Year range 1986 Vintage seriesFront left Vintage series110824 Fixed Disc 220More info Front SprocketFront Sprocket6102011 Front sprocketMore info Rear Sprockets SteelRear Sprocket Steel620381 Rear Sprocket 520More info Rear Sprocket 70/75Rear Sprocket 70/75620382 Rear Sprocket 520More info ChainsChain 520652001 Chain V2 520More infoChain 520 O-ring652002 Chain V4 520 O-ringMore infoChain 520 X-ring652003 Chain V6 520 X-ringMore infoChain GP 520652004 Chain GP 520More infoChain GPO-520G652008 Chain GP0-520G O-RingMore infoChain GPX 520652005 Chain GPX 520More infoChain GPXE 520652007 Chain GPXN 520 X-ring GoldMore info