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Factory carb settings - Suzuki Motorcycles

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This can vary from year to year, model to model, and make to make. A service manual for your specific bike may shed some light on what the default settings are on your carbs. Sometimes a simple search on your year make and model of bike with carb adjustments can return the answer to your question. Here is an example: 1979 Honda CB750 Carb Adjustments. One other factor in this is the elevation you are at. At higher elevations the air is thinner making your bike run rich as there isn't enough oxygen to mix with the fuel. Once you know where your adjustments are, you can get them fairly close by slowly adjusting them with the bike idling. You want to turn slowly (1/8 turn at a time) until you hear the motor idle increase. For multiple carbs, start with one and repeat on all other carbs. If you continue to turn your jets after the idle increases, it will eventually start idling down again. I have been taught to try to find the boundaries going each way and seek the middle ground. Once this is performed on all carbs, you may need to adjust your throttle stop adjustment screw to bring yoyr idle back to specification. Good luck with your carbs, safe and happy riding to you.

Posted on Oct 16, 2013


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