engine vibration

As part of my baselining on my ’94 80 Series, I’m replacing the oil seals behind the crank pulley. Before tearing it down, I noticed the crank pulley (harmonic balancer) had a slight but visible wobble—and I’m pretty sure that’s what was causing the chattering noise I could hear standing outside...

Model : FJ45 1983 - stock I noticed recently that I had alot of engine vibration, maybe low speed, and the exhaust fumes were excessive. There's no smoke. Thought it was time to re-adjust the carburetor using lean median method. Set-up - Digital tachometer connected to the coil - Vacuum...