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techtalk:evo:carb02 [2020/01/22 05:54] ixl2relax [Diagnosing CV Carb Issues] |
techtalk:evo:carb02 [2020/02/18 23:27] ixl2relax [The Idle/Transfer Ports Operation & Tuning] |
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| [[http://www.youtube.com/watch?v=k1YOkoekIeA|The Sound of a MALFUNCTIONING slide]]</font>** | [[http://www.youtube.com/watch?v=k1YOkoekIeA|The Sound of a MALFUNCTIONING slide]]</font>** | ||
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| **Aftermarket Parts** are promoted as upgrades to peak the carb performance. Sometimes they do create better performance for one part of the carb operation. But most often, they simply distort the proper overall performance and create ongoing issues that are difficult or impossible to resolve. If you're racing, the setup for normal street operation may be irrelevant, but for most riders, getting good performance in all conditions is important. Keep this in mind when evaluating any promises of upgrade products. | **Aftermarket Parts** are promoted as upgrades to peak the carb performance. Sometimes they do create better performance for one part of the carb operation. But most often, they simply distort the proper overall performance and create ongoing issues that are difficult or impossible to resolve. If you're racing, the setup for normal street operation may be irrelevant, but for most riders, getting good performance in all conditions is important. Keep this in mind when evaluating any promises of upgrade products. | ||
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| - | At this point, we need the engine to be warmed up to normal operating temperature to continue tuning the carb. A cold engine may operate quite differently once warmed up, therefore, tuning the carb while the engine is cold is not valid. Since we set the idle screw very low, you may need to use the throttle or enrichener to keep the bike running... | + | At this point, we need the engine to be warmed up to normal operating temperature to continue tuning the carb. A cold engine may operate quite differently once warmed up, therefore, tuning the carb while the engine is cold is not valid. |
| - | Start the engine and use the enrichener for the first 1-3 minutes while you take the bike for a 10-15 minute ride to warm the engine fully. Then be careful of the burn potential while working around a hot engine. Make sure you have no intake leaks in the manifold seals by using an unlit propane torch to flow propane around those seals. The engine idle will alter if an intake leak allows propane into the manifold. | + | Start the engine and use the enrichener if the engine is cold, for the first minute or so, while you take the bike for a 10-15 minute ride to warm the engine fully. Then be careful of the burn potential while working around a hot engine. Make sure you have no intake leaks in the manifold seals by using an unlit propane torch to flow propane around those seals. The engine idle will alter if an intake leak allows propane into the manifold. |
| ==== The Idle Drop Method (IDM) ==== | ==== The Idle Drop Method (IDM) ==== | ||
