Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums - View Single Post - Jet needle position
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post #5 of (permalink) Old 07-03-2018, 02:22 PM Thread Starter
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Originally Posted by Spockster View Post
Down makes it leaner, because the needle is tapered. Adding a shim lifts it up, makes it richer. The needle reaches the narrow part of the taper sooner. Edit: The narrow part of the needle allows more fuel to flow past, so adding a shim pulls the narrow section higher.
Of course, my mistake. I will do that. Thanks a lot Spockster
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