1985 suzuki lt 250ef Hair pulling no start

[Sussy0909]

Alright guys I'm starting to lose my mind working on this bike I have spark, fuel, compression, and timing lines up. But it still won't start.  So far this is what I've done 

Checked camshaft timing

Loosened valves are super loose

Wet cylinder test.

Cleaned all electrical connections.

Removed exhaust ( thought maybe it was clogged)

The bike Bike has a fresh battery in it when I first got the bike the cables were hooked up the wrong way. I checked the 2 20amp fuses under the seat and there in tack. But none of the lights and push start work ( I've been jumping the solenoid)

Also when I first got the  bike it had a really weak spark barely anything after cleaning all the connections I managed to get a bright blue spark ( like in the video)

The only thing I can think of is the bike is not in neutral. The rear brakes are stuck and it has 2 flat tires so trying to shift into a different gear is impossible. It gets spark though so I don't think it has a neutral safety switch. 

Here's a video of my compression readings and spark. Any advice would be greatly appreciated 

 

The bike has 120psi of compression. I did a DIY leak-down test. Most air came out of the oil dipstick which indicates bad piston rings. The bike only has 1400 miles on it, And still, with 120psi of compression I should at least get a stutter or a few pops like it's trying to start

 

 

Thanks for reading any advice would be greatly appreciated.

[Nunuf_Urbisnes]

The spark looks kind of inconsistent to me. Is that just the video?

[alexwv1863]

I just had problems getting a 1988 quadrunner ltf250 to run. It did thre same thing as yours. I went thru everything. Come to find out the valves weren't adjusted right. They can't be too loose or too tight. Mine was really tight and didn't have enough play. Definitely make sure they're adjusted to spec. I re-did mine 4 times before I got it right. Im sure you've checked, but make sure no fuses are blown. 

[davefrombc]

A handy tool to have is an  in line spark tester.  Sometimes you can  have spark when the plug is out of the cylinder but the spark  fails when under compression . The inline tester will  show you if it is sparking without having to pull the plug.

 

[Sussy0909]

Do you rember what you adjusted the valves to?

[MarkinAR]

i would guess either valves are too loose or no fuel delivery.  or leaking intake boot b/w carb and head....which is still a fuel delivery issue.  but that's just a guess.