FAQ 44
Question: Fuel getting through to one side of engine only. Lines are clear on both sides after the T to the needle valve. I can blow through the needle valve and run carb. cleaner through it. But the left side of the carbeurator is bone dry. Have put on a new electric fuel pump. Needle valve doesn't appear to be bad. What the heck is my problem? Answer: I'm guessing carburetor needle valve, even though you checked it. Is the float level correct? How do you know the one side is dry? Look down the carb throat (engine off and cold) with a flashlight. Move the throttle linkage. Can you see the squirt of fuel from the accellerator pump? If so, the carb has fuel. I'd check the fuel pressure at the carb with a pressure gauge. I've never even seen a Bug dual carb setup, so I'm going on my carb experience, and a quick glance at the Bus shop manual that a kind friend donated to me.
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