You might consider this item: Randakk’s GL1000 Carb Rebuild Video

Allow me a little soapbox time. Early GL1000s are routinely criticized for having poor carburetion. The criticism has been repeated so often by so many that it has become accepted as fact. Here is my contrarian view: the early GL1000s have great carburetion set-ups! My personal ’76 GL1000 show bike has flawless, near-linear carburetion…rheostat-like throttle response, no flat spots, starts easily, warms up fast enough and has a decent idle. My carbs are completely stock except for a few minor tweaks I make on all the carbs I service. I’ve owned and ridden many bikes. I believe the stock set-up on a GL1000, properly maintained and tuned delivers results as good as you can reasonably expect on a 4 cylinder, 4 carb bike of this vintage with this level of performance. In fact, GL1000 carburetion is easy to sort compared to some of the demonic setups I’ve encountered (my Weber-equipped Ducati 750 Nuevo Sport wins the prize as the worst I’ve ever personally grappled with).

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