Ok, Armed (armed and dangerous) with a service manual I popped the top of the deck off and looked around. I think I see what's going on now. The "stutter" is ocuring when the geared camwheels are engaged (start/stop and lift/lower) you can see the suspension shake as these gears mesh. I can easily feel it rotating the patter. The thing

Hi all, I'm new here. Recently acquired a Boegram 5000 (radial arm) with a MMC3 cart that appears to be in fairly good shape other than this. When I hit play arm moves over guide track and drops down. When it does this the platter does a bit of a stutter, you can actually see it jump a bit, then comes back up to constant speed. The stutter is manifested