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Old 03-18-2007, 08:26 PM   #86
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Joined: Feb 2007
Location: By the Lake
Oddometer: 4,776
Originally Posted by tvrla
The needle should only affect throttle openings from 1/4 to 3/4. It does sound like it's getting a lot more air to affect it throughout the range.
my next investigation would be the carb-to-head hose, leaking exhaust joints, and the round top of the carb which gets loose over time and causes air leaks.
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