Help Stumped

[DoubleD777NE]

Ok 84 El 50hp Tested all coil packs with spark tester. "All showing spark" Carbs Clean "Triple Checked" Compresion 100 plus on all cyl. Will start and run with backfire through exh every once every 10 to 15 sec. Going threw syn and link with timming light and nothing on cyl 1 So for S&G's swaped plugs and wire and went to cly 2 and low and behold showing very close on timming. Stumped!

 

[gm280]

DoubleD777NE, :welcome: to iboats...

I have to admit, I have no idea what you are asking. Maybe, for me (I'm not too bright), you could explain a little better. :noidea: