1982 Yamaha YZ490 j 

here is a 1982 #yamaha #yz490j the 82 is eligible to run in the #uk #twinshock #racing with a swap of the rear suspension and swingarm from an 81 #yz465
i'd been confident to get this one running but the inlet manifold has a large tear in it so unfortunately this #yz490 won't be running - decent #restoration project though!