Engine not turning over. Troubleshooting help.

It's hard to follow: can you list all the things you have done and looked at from the beginning? And what changes have you noticed on the bike?

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1. Cleaned the bike.
2. Cut, stripped and reconnected questionable/ damaged connections around the bike. (Ignition Module, Grounds,)
3. Fully charged the battery
4. Checked spark using a spark tester. Checked again with the spark plugs.

No difference from the video I posted originally. My spark may not be strong enough. I haven't checked my ignition coils yet.

Ok, so there is some spark. I haven't seen any mention of fuel yet. Have the carbs been thoroughly cleaned? Are the spark plugs wet with fuel?

In all honesty I haven't checked yet. That was going to be my next order of business, I was under the impression that it would start regardless it just may not run smoothly.

I just picked up an 83 750 that hadn't been run in 5 years. Every jet in all 4 carburetors was plugged.

It would fire up for a few seconds if I sprayed a little carb cleaner in the air box. You can try that, but don't try to run it on carb cleaner for more than a few seconds, it cleans the oil off of the cylinder walls and then you'll have more problems.

I'll try cleaning the carbs out. Once I get the bike started I plan to do some serious maintenance that's been neglected for the past two years.