knocking

Was riding down the highway at about 80mph and then out of nowhere i started losing power. was hard to maintain highway speeds. Pulled off and then i started hearing loud rattling noises. Most of the power was gone. It starts up fine and idle fine, but as soon as you hit the throttle the...

Hi everyone. Recently my AJS 125 ECO (2008) started making a knocking/clunking noise that ran in time with the revs of the engine. This continued to get worse with no noticeable loss of power. Eventually i was going a long at 55 MPH and suddenly something broke or snapped in the engine and I...