I'm pretty sure the 749 and the 999 use the same belts as does the 998 All that Era of Testastretta engines use the same and last time I bought a set tey cost me £135 a pair. Unlike the earlier engines, on the testastretta you are meant to lock the cams in place as you undo the cam pulley bolts when tensioning the belts allowing the pulleys to rotate whil the cams stay in position Checkout the Desmo Due Paddock on Facebook |