Ok, so I'm almost at wits end with this thing.
I recently finished rebuilding the engine. I'm fairly certain that I've got the timing dead spot on. All the Timing marks were spot on when I bolted the valve covers on, and I could turn the engine freely at the crank.
I've got pretty good compression: 125 front, 115 rear per my cheap POS Harbor Freight tester.
I'm getting fuel on the plugs, can see that they're wet when pulling to check for spark as well as smell the gas on them.
I've got good spark, and I even got flames shooting out of the open spark plug hole when testing the spark.
Pulled the pod filters off the carbs to shoot some starting fluid in with no results. Also tried shooting the fluid straight into the cylinder.
Held my hand over each air inlet with the pod filters off and got good suction on each carb.
With the plugs out, the engine will spin freely no hesitation. Put the plugs in, and it will spin for several turns, then hesitate or seem to skip a beat before continuing to spin freely again.
Getting white wisps of smoke coming from the left/rear exhaust. nothing from the right/front.
Thinking it might be weak spark, I disconnected the red wires from each of the coils and ran a jumper wire straight to the battery. (no relay, just test leads with alligator clips straight to the battery)
Last thing I can think to check are that the pickup coils got switched? Can anyone confirm which position each should be in?
I recently finished rebuilding the engine. I'm fairly certain that I've got the timing dead spot on. All the Timing marks were spot on when I bolted the valve covers on, and I could turn the engine freely at the crank.
I've got pretty good compression: 125 front, 115 rear per my cheap POS Harbor Freight tester.
I'm getting fuel on the plugs, can see that they're wet when pulling to check for spark as well as smell the gas on them.
I've got good spark, and I even got flames shooting out of the open spark plug hole when testing the spark.
Pulled the pod filters off the carbs to shoot some starting fluid in with no results. Also tried shooting the fluid straight into the cylinder.
Held my hand over each air inlet with the pod filters off and got good suction on each carb.
With the plugs out, the engine will spin freely no hesitation. Put the plugs in, and it will spin for several turns, then hesitate or seem to skip a beat before continuing to spin freely again.
Getting white wisps of smoke coming from the left/rear exhaust. nothing from the right/front.
Thinking it might be weak spark, I disconnected the red wires from each of the coils and ran a jumper wire straight to the battery. (no relay, just test leads with alligator clips straight to the battery)
Last thing I can think to check are that the pickup coils got switched? Can anyone confirm which position each should be in?