make sure that kill wire is not grounding . Given age theer is good chance of bad coil but that's an 1981 engine so should have points and condenser so you need to check those out first.
The lopsided appearance of the coil is a giveaway that it's a "magnetron" coil; no points.make sure that kill wire is not grounding . Given age theer is good chance of bad coil but that's an 1981 engine so should have points and condenser so you need to check those out first.