To crank the engine without firing it, just pull off the primary coil wire.
Take some carburator cleaner or brake cleaner and wipe down the outer ring of the harmonic dampner with it. You may have to scrub lightly with some 00 steel wool to help remove the gunk that's concealing the timing marks. They are there ... you just have to uncover them.
Take some carburator cleaner or brake cleaner and wipe down the outer ring of the harmonic dampner with it. You may have to scrub lightly with some 00 steel wool to help remove the gunk that's concealing the timing marks. They are there ... you just have to uncover them.