Originally Posted by Bill Rusk Thanks for the nice comments folks. Docstory - geez I sure hope not. FLYWHEELS Went down to the engine shop and weighed a bunch of 149 tooth flywheels. They pretty much all weighed the same. Average normal 149 tooth flywheel = 106.920oz/6.682pds Mine after cutting off the pulley = 86.915oz/5.432pds Skydynamics flywheel = 47oz/2.937pds as reported on their website (http://www.skydynamics.com/frame.htm) ...