Rusty motorcycle engine pulley with hex nut, drive belt, and sil…

Close-up of a motorcycle engine showing a rust-colored circular pulley or rotor with a central hex nut and bolts, flanked by a ribbed drive belt on the left and a silver metal cover on the right. A finned aluminum component sits at lower left, with a socket wrench and hose lines visible around the engine.

AI caption June 2007 · Photo 48 of 83