rod bearings

Does anyone have or know where I can buy new main and rod bearings, or even a complete engine rebuild kit for a 1982 Honda GL500? I heard they are impossible to find but there maybe some bearings off an Isuzu or something that can be machined down to fit? Does anyone know if this is true and if...

I have an 82 cx500c and had some lower case noise. Pulled the motor apart for the first time and my rod bearings are shot. Anyone thought of using another motors rod bearing for the 500 and having the crank ground to the size needed? Im going to call ACL bearings monday to see if the can find...