timin outta wack

[haters I got]

need help figuring wats wrong. timing marks are lined up but will not crank. no backfire jus turns over but its gittn spark on num. 1. jus cant figure it out.

[Barefoot]

compression test. need assistance feel free to send me a pm. we can work something out.

[DeeAOne]

x2. and if you unplugged any sensors check them all.

[H1Cblacknight]

SAME THING JUST HAPPEN TO ME AFTER I JUST SWAPPED A MOTOR IN MY SHELL. RAN GREAT FOR 4 DAY. CHANGE EXHAUST FIRED HER UP RAN FOR 2 MINUTES THEN SLOWLY JUST DIED. COMPRESSION CHECK IS KEY! I HAD ALMOST NO COMPRESSION IN 2 CYLINDERS!

[haters I got]

what will cause it to loose compression.

[H1Cblacknight]

BAD PISTON RINGS! TOASTED.....CRACKED......WARPED..... ETC.