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—techtalk:ref:tools161 [2024/01/24 22:42] (current) – hippysmack
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 +====== REF: Tools - 161 ======
 +====== Stethoscope (and other listening devices) ======
 +See also in the REF section of the Sportsterpedia: \\
 +  * [[techtalk:ref:genmsr06#using_a_stethoscope_or_other_to_hunt_down_engine_noises|Using a Stethoscope or Other to Hunt Down Engine Noises]] in the REF section of the Sportsterpedia. \\
 +  * [[techtalk:ref:genmsr05#hunting_down_sportster_noises|Hunting Down Sportster Noises]]
 +
 +===== Stethoscope =====
 +A stethoscope can be used to find mechanical noises and air leaks. \\
 +It is a more sensitive device than a stick or screwdriver. \\
 +For that reason, some remove the probe on the end and simply use the hose end for probing. \\
 +Then it's less strain on the ears. \\
 +
 +|Mechanic stethoscope. ((photos by asasial of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/107497-using-a-stethoscope-to-listen-to-the-engine/page3?t=977525&page=3)) \\ The black partition at the end of the tape measure is where the diaphragm is. Note the size of the diaphragm.||
 +|{{:techtalk:ref:tools:stethoscope_1_by_asasial.jpg?direct&300|}}|{{:techtalk:ref:tools:stethoscope_2_by_asasial.jpg?direct&300|}}|
 +
 +===== Rubber Hose =====
 +This can be a spare piece of oil line or even a cut off piece of garden hose. \\
 +Hold one end up to your ear and the other end against the testing site. \\
 +
 +===== Screwdriver =====
 +You can use a screwdriver as a listening device. \\
 +Grab a big (biggest you have) screwdriver from your toolbox. ((tich of the XLFORUM  https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/169843-whine-chirping-sound-like-a-bird-in-my-intake-or-carb/page2?highlight=stethoscope#post3626785)) \\
 +Put the metal end on the area you wish to listen to and your ear on the top of the handle. \\
 +Noise is transferred through the screwdriver to your ear. \\
 +
 +===== Wooden Dowel / Stick =====
 +A wood stick transfers noises well. \\
 +You can hear soft and loud noises as well as feel light ticking to hard knocking sounds. \\
 +A wooden handle screwdriver, hammer or a length of 2x4 will also work. \\
 +Place one end on the area you're listening to and the other to your ear. \\
 +Sound is transferred through the wood. \\
 +
 +|  A wooden dowel for a listening tool. ((photos by Hippysmack))  ||
 +|{{:techtalk:ref:tools:listening_stick_1_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:tools:listening_stick_2_by_hippysmack.jpg?direct&300|}}|
 +
 +\\
 +
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