Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 483Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 483

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FUEL INJECTION DESCRIPTIONS AND SYSTEM OPERATION
By moving conical valve known as pintle, IN, toward the seat (to decrease air flow), or OUT, away from the seat (to increase air flow), controlle