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techtalk:ih:carb01r [2020/08/03 20:59] hippysmack [Heat Spacer] |
techtalk:ih:carb01r [2020/08/03 22:25] hippysmack [Accelerator Pump System] |
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| The accelerator pump is operated by a rod attached to a spring loaded bell crank mounted on the throttle butterfly shaft. \\ | The accelerator pump is operated by a rod attached to a spring loaded bell crank mounted on the throttle butterfly shaft. \\ | ||
| When you open the throttle, the spring is wound up and forces the rod down. How far the rod travels determines how much gas is forced into the carb's throat. \\ | When you open the throttle, the spring is wound up and forces the rod down. How far the rod travels determines how much gas is forced into the carb's throat. \\ | ||
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| + | **Correction of Faulty Accelerator Pump Operation** \\ | ||
| + | With engine warm and running at idle, remove air cleaner cover and see if any fuel is leaking from accelerator pump nozzle due to the accelerator pump rod being too long. ((HD TSB #M707 dated 12-1-1976)) \\ | ||
| + | Correct by removing the rod as detailed in bulletin 694 and shortening to 59.50mm. (2.34"). \\ | ||
| + | Caution: Do not over-shorten because this will affect pump action and cause poor acceleration. \\ | ||
| ====== Tuning the Accel pump ====== | ====== Tuning the Accel pump ====== | ||
