Kohler KT17 No Start: Bad Coil?
 

682 Hydro with KT17 Lhead twin horz. shaft

New points, condensor, getting 12v when key is on when using ohmmeter on coil, voltage drops to 9.30v when cranking when using ohmmeter on coil, points open/close when cranking and points gapped to .020. Just wanna know if Im missing anything to check before dumping $130 in coil assembly?

How about getting that Battery checked. 9.3V seems low to me.

The battery isnt any good but I had 950amp jump box on it when I had it cranking. Thought about buying new battery and new battery cables. The positive cable looks like it caught fire by a PO owner.

Looks like you need a new battery.
BTDT

Then why wouldnt it start with the 950amp jump box? What size battery do I use? I thought about using one of Duralast Gold batteries that 425 amp. Thats what I used on the Briggs Lhead twins.

How about a new battery and Cable.

I had a 782 that was (and still is even after professional tuning) a real bear to start if the battery voltage drops even a slight bit. As long as it has a strong charged battery it lights right off.

Pull both your plugs out then push them back into the plug wires and lay them down on the eng. then crank it over and check for spark at the plugs. also a good time to check compression.

Spark plugs are new. Getting 90-100psi on each cylinder. Going back to edit my first post.

You HAVE to have a minimum of 10.5V at the Ignition Coil for it to fire correctly.