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techtalk:evo:body02 [2022/05/17 08:30] ixl2relax [Petcock (Fuel Outlet)] |
techtalk:evo:body02 [2022/05/17 08:33] ixl2relax [Petcock (Fuel Outlet)] |
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| ===== Petcock (Fuel Outlet) ===== | ===== Petcock (Fuel Outlet) ===== | ||
| - | {{ :common:space100x5px.jpg|}}{{ :techtalk:evo:body:petcock-filter.jpg?direct&400|}}\\ | + | {{ :common:space100x5px.jpg?direct&2|}}{{ :techtalk:evo:body:petcock-filter.jpg?direct&400|}}\\ |
| - | The Petcock allows control of the fuel to the carburetor from the fuel tank. It has a 3-position lever to create OFF, ON & RESERVE settings. The **OFF** setting prevents fuel flow to the carb (used whenever the bike is not running). The **ON** setting allows normal fuel flow to the carb when the tank is above the reserve level. The **RESERVE** setting allows the final amount of fuel to be sent to the carb until the tank is empty. Normally, the petcock has an in-tank cylindrical mesh filter enclosing these inlets to prevent any dirt in the tank from clogging the intake of fuel. The tank and filter may be required to be cleaned from time to time. ((Pic from Carl-04XL here: http://xlforum.net/forums/showthread.php?t=359788)) | + | The Petcock allows control of the fuel to the carburetor from the fuel tank. It has a 3-position lever to create OFF, ON & RESERVE settings. The **OFF** setting prevents fuel flow to the carb (used whenever the bike is not running). The **ON** setting allows normal fuel flow to the carb when the tank is above the reserve level. The **RESERVE** setting allows the final amount of fuel to be sent to the carb until the tank is empty. Normally, the petcock has an in-tank cylindrical mesh filter enclosing these inlets to prevent any dirt in the tank from clogging the intake of fuel. The tank and filter may be required to be cleaned from time to time. ((Pics from Carl-04XL here: http://xlforum.net/forums/showthread.php?t=359788)) |
| The petcock creates two levels of fuel supply in the fuel tank, the higher level being used for the ON setting and a low level being used for the RESERVE supply level. To do this, a short tube protrudes vertically into the fuel supply to create an ON level. A shorter tube (or the base of the petcock) is used to supply fuel ONLY when the petcock is set to RESERVE. By drawing fuel from the taller tube when the petcock is set to ON, a 'reserve' is created (usually between 10% & 20% of the tank size) below that tube level so as to warn the rider that the tank is running low on fuel. | The petcock creates two levels of fuel supply in the fuel tank, the higher level being used for the ON setting and a low level being used for the RESERVE supply level. To do this, a short tube protrudes vertically into the fuel supply to create an ON level. A shorter tube (or the base of the petcock) is used to supply fuel ONLY when the petcock is set to RESERVE. By drawing fuel from the taller tube when the petcock is set to ON, a 'reserve' is created (usually between 10% & 20% of the tank size) below that tube level so as to warn the rider that the tank is running low on fuel. | ||
