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techtalk:evo:carb02 [2020/08/25 07:51] ixl2relax [Internal Carb Checks] |
techtalk:evo:carb02 [2020/08/30 02:37] ixl2relax [Internal Carb Checks] |
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| * Be sure to reinstall pump rod correctly | * Be sure to reinstall pump rod correctly | ||
| * Be sure you have removed each part, cleaned the ports & reinstalled correctly | * Be sure you have removed each part, cleaned the ports & reinstalled correctly | ||
| - | * Set the Idle Set Screw (located on the right side of the carb, near the throttle cables)\\ so that the Throttle Plate is between the Idle Port (one hole in the carb throat) and the\\ Transfer Ports (which consists of 5 holes nearby) | + | * Set the Idle Set Screw (located on the right side of the carb, near the throttle cables)\\ so that the Throttle Plate is closed as much as possible. Try getting it between the Idle Port\\ (one hole in the carb throat) and the Transfer Ports (which consists of 5 holes nearby).\\ Don't obssess over it if you can't. |
| \\ | \\ | ||
| Line 215: | Line 215: | ||
| (Using a 1/2-inch spacer to lift the float side of the carb will approximate the 15°-20° angle needed.)\\ | (Using a 1/2-inch spacer to lift the float side of the carb will approximate the 15°-20° angle needed.)\\ | ||
| - | {{:techtalk:evo:carb:hd-cv40-floatlevel-instructions.jpg?100|}}{{:techtalk:evo:carb:hd-cv40-floatlevel.jpg|}}\\ | + | {{:techtalk:evo:carb:hd-cv40-floatlevel-instructions.jpg?250|}}{{:techtalk:evo:carb:hd-cv40-floatlevel.jpg|}}\\ |
| - | **Click on the small image above for the detailed instructions regarding setting the float level:** | + | **Click on the small image above for the detailed**\\ |
| + | **instructions regarding setting the float level:** | ||
| {{:techtalk:evo:carb:cv40-floatvalve-02.jpg?300|}}{{:techtalk:evo:carb:cv40-floatvalve-01.jpg?400|}} | {{:techtalk:evo:carb:cv40-floatvalve-02.jpg?300|}}{{:techtalk:evo:carb:cv40-floatvalve-01.jpg?400|}} | ||
| In [[http://xlforum.net/forums/showthread.php?t=2074492|This XLForum Thread]] there is a discussion of the float bowl overflowing and the possibility that it is caused by aftermarket float valves that are not of the proper design.((Images above by Hippysmack of the XLForum)) | In [[http://xlforum.net/forums/showthread.php?t=2074492|This XLForum Thread]] there is a discussion of the float bowl overflowing and the possibility that it is caused by aftermarket float valves that are not of the proper design.((Images above by Hippysmack of the XLForum)) | ||
| + | |||
| + | ** Tip for Inspecting Float Level - With Carb Installed ** | ||
| + | |||
| + | HD advised of a tip for adjusting the float level thru Tech Tip #36 dated September 1993. \\ | ||
| + | However, this only works if you have an overflow fitting on the bowl (carbs for 1200S models don't have this fitting). \\ | ||
| + | * Checking carburetor float level can be easily done without even removing the carburetor from the motorcycle. | ||
| + | * Simply attach a section of clear model airplane fuel line to the float bowl overflow fitting. | ||
| + | * A small diameter fuel line, which is compatible with gasoline, can be found in most hobby supply shops. | ||
| + | * Route the hose upward alongside the carburetor body. | ||
| + | * The motorcycle must be held level and be running to perform this test. | ||
| + | * Open the float bowl drain screw and fuel will rise in the hose to the same level as that in the bowl itself. | ||
| + | * In a carb with a properly adjusted float level the fuel level in this hose will be at the joint between the carb body and the float bowl face. | ||
| \\ | \\ | ||
| Line 233: | Line 246: | ||
| * Check IMS seat (Has the screw needle tip deformed the hole?) | * Check IMS seat (Has the screw needle tip deformed the hole?) | ||
| * Set initial IMS to 2-1/2 turns out from lite seat | * Set initial IMS to 2-1/2 turns out from lite seat | ||
| - | |||
| - | ==== Inspecting Float Level - Carb Installed ==== | ||
| - | |||
| - | HD advised of a tip for adjusting the float level thru Tech Tip #36 dated September 1993. \\ | ||
| - | However, this only works if you have an overflow fitting on the bowl (carbs for 1200S models don't have this fitting). \\ | ||
| - | * Checking carburetor float level can be easily done without even removing the carburetor from the motorcycle. | ||
| - | * Simply attach a section of clear model airplane fuel line to the float bowl overflow fitting. | ||
| - | * Small diameter fuel line, which is compatible with gasoline, can be found in most hobby supply shops. | ||
| - | * Route the hose upward alongside the carburetor body. The motorcycle must be held level and be running to perform this test. | ||
| - | * Open the float bowl drain screw and fuel will rise in the tube to the same level as that in the bowl itself. | ||
| - | * A carburetor with a properly adjusted float level will have the level the same height as the float bowl 0-ring surface. | ||
| \\ | \\ | ||
| + | |||
| ==== Change the Screws ==== | ==== Change the Screws ==== | ||
