well argo jim suggested that I post a new thread here .I recently acquired a max11 that is in excellent cosmetic shape it even came with the tracks. I decided to do change out he chain tensioners out to the new style roller type .that's when I found that the bottom of the frame was rusted pretty badly .I was soo mad the previous owner new that and didn't tell me wtf.i paid a good dollar for it also. soo now im at a crossroads .part it out or totallt tear it down and fix.i have a welder and are quite handy at faberciation but just don't know if I wanna take on the project . but I do have a few questions its a 1984 serial number 7290.what axel bearings would I be needing?thank all for your input