188f micro-tiller valve clearance adjustment video

The first type: cylinder by cylinder adjustment method. Judging piston top dead center by overlapping angle method. Four-cylinder engine (adjusting the first cylinder depends on the folding angle of the fourth cylinder, and then adjusting the third cylinder depends on the folding angle of the second cylinder. Then adjust the fourth cylinder to see the folding angle of the first cylinder, and finally adjust the second cylinder to see the folding angle of the third cylinder. Ignition sequence: 1, 3, 4, 2). The second type: secondary adjustment method. (The sequence of electric fire is 1, 5, 3, 6, 2, 4. Double: (exhaust valve must be adjusted for the first cylinder) Row: (exhaust valve must be adjusted for the fifth and third cylinders) No: (no adjustment for the sixth cylinder) Inlet: (intake valve must be adjusted for the second and fourth cylinders), and then use the sixth cylinder.