1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 149Get this manual

1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 149

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Fuel System Fuel Flow MANUAL START MODELS
NOTE: The manual starting primer bulb is designed to provide rich fuel mixture to the engine during cold start conditionsWhen the primer bulb is pressed