The iboats forum moderators are excited to announce that at this time it appears the iboats forums posting pictures function is working once again. Though we cannot promise for how long, we're hoping for indefinitely.
Take your distributor cap off. Grab the rotor and move it back and forth, letting it move up or down at the same time. If it moves more than just the smallest amount the distributor is bad and needs to be replaced. This happened to me withe the same engine. Apparently this is a common problem...