Mercury Mariner 8/9.9HP 4-Stroke Factory Service Manual, Page 105Get this manual

Mercury Mariner 8/9.9HP 4-Stroke Factory Service Manual, Page 105

7Inspect check valve for damage and replace if necessary 3Check piston valve heightD Connect 12V battery Wait for several minutes Check piston height Replace if no change

Electrothermal Valve
1Inspect needle valve and piston valveReplace if damaged or worn28314

Assembly
1Secure spring, diaphragm, and cover to float chamber with screwsb a

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