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techtalk:evo:carb01 [2019/10/17 19:47] hippysmack [Sub Documents] |
techtalk:evo:carb01 [2020/05/10 17:34] hippysmack [Sub Documents] |
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[[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | ||
====== EVO: Carburetor, Intake Manifold & Exhaust ====== | ====== EVO: Carburetor, Intake Manifold & Exhaust ====== | ||
- | ===== Sub Documents ===== | ||
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- | * [[techtalk:evo:carb01a|Rebuilding the Keihin CV Carb]] | ||
- | * [[:techtalk:evo:carb02|Keihin CV40 Carb Functions, Adjustments, Tuning]] | ||
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====== Overview ====== | ====== Overview ====== | ||
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- | The CV40 has an Enrichener Circuit - The knob is labeled 'Choke' but that is a misnomer. It is NOT a choke. \\ | + | The CV40 has an Enrichener Circuit - The knob is labeled 'Choke' but that is a misnomer. **It is not a choke**. \\ |
A choke sends less air into the venture when closed thus richening the mix. \\ | A choke sends less air into the venture when closed thus richening the mix. \\ | ||
An enrichener shoots gas into the venture thus richening the mix. \\ | An enrichener shoots gas into the venture thus richening the mix. \\ | ||
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There is no need to take it off the bracket for this. You just want to create enough resistance to keep the knob from pulling in on it's own. \\ | There is no need to take it off the bracket for this. You just want to create enough resistance to keep the knob from pulling in on it's own. \\ | ||
**Caution**, the plastic nut fits onto plastic threads and should not be tightened too much or the threads will strip. \\ | **Caution**, the plastic nut fits onto plastic threads and should not be tightened too much or the threads will strip. \\ | ||
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{{:techtalk:evo:carb:enrichener_cable_3_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:evo:carb:enrichener_cable_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) | {{:techtalk:evo:carb:enrichener_cable_3_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:evo:carb:enrichener_cable_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) | ||
{{:techtalk:evo:carb:enrichener_cable_4_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) \\ | {{:techtalk:evo:carb:enrichener_cable_4_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) \\ | ||
+ | If the plastic nut has stripped out, you can cut a piece of rubber tubing, slit it long ways and stick it between the nut and the knob when needed. ((cantolina of the XLFORUM http://xlforum.net/forums/showthread.php?t=447983)) \\ | ||
+ | Then when you remove it, slip it on the throttle cable until the next cold startup. \\ | ||
====== Discrepancies in the FSM(s) / Parts Catalog(s) ====== | ====== Discrepancies in the FSM(s) / Parts Catalog(s) ====== | ||
Upon perusing 1986-2006 Parts Catalogs for carburetor information, it's clear that the MoCo was trying to save space in these books at the expense of legibility. Below is a chart showing the initial intentions on the top and the MoCo's mis-interpretations on the bottom. They give no notations (from year to year book) on any changes to the nomenclature. I.E. one way to display a year/ model number is displayed differently in other year books. This chart is not complete nor factual in numbering but as an example only. | Upon perusing 1986-2006 Parts Catalogs for carburetor information, it's clear that the MoCo was trying to save space in these books at the expense of legibility. Below is a chart showing the initial intentions on the top and the MoCo's mis-interpretations on the bottom. They give no notations (from year to year book) on any changes to the nomenclature. I.E. one way to display a year/ model number is displayed differently in other year books. This chart is not complete nor factual in numbering but as an example only. |