Done this 3 times and still no compression???? Drove it in ??? Put air into spark plug hole and didn’t hear any leaks, have spark, ect. All I did was removed valve cover an adjusted them to .004 a .005 will not fit, 3 holes in the gear are lined up ect..... just puzzled that it ran pretty good ( hard to start ) scooter has 1200 miles when I drove it in and waited a day and did the work an now 0 psi has spark and even tried starting fluid in the spark plug hole