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techtalk:miscres:miscres90-terms:term-m [2016/01/06 19:20] sportsterpedia-admin created |
techtalk:miscres:miscres90-terms:term-m [2018/03/05 01:52] hippysmack |
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| ====== M ====== | ====== M ====== | ||
| + | ====== MAP Sensor ====== | ||
| + | Manifold Absolute Pressure Sensor. | ||
| + | ===== Main Bearings ===== | ||
| + | The bearings between the crankshaft and the engine case ((Haynes Sportster manual 1970-2010 pg REF*50)) | ||
| + | ===== Magneto Ignition System ===== | ||
| + | [[parts:partsplus-01g:i#ignition_system_magneto]] | ||
| + | ===== Micrometer ===== | ||
| + | A precision instrument used to measure outside diameters of parts | ||
| + | ===== Microwelding ===== | ||
| + | Adherence of sporadic particles of aluminum from the piston to the bottom side of the piston ring. ((http://papers.sae.org/960745/)) | ||
| + | ===== Monograde Oil ===== | ||
| + | Oil with a single viscosity, i.e. SAE80W. AKA Straight Oil | ||
| + | ===== Multigrade Oil ===== | ||
| + | Motor or gear oil that has a wide viscosity range (meeting the requirements of more than one SAE viscosity grade) and thus it can be used in a wider temperature range., i.e. 10W50. The "W" stands for Winter therefore 10W50 oil has a viscosity range from SAE10 when cold to SAE50 when hot. ((Haynes Sportster manual 1970-2010 pg REF*50))((http://www.oilspecifications.org/articles/lubrication-glossary.php)) | ||
| + | ===== Multimeter ===== | ||
| + | A testing instrument for most electrical things on a motorcycle. There are variations in makes and models but most come with the ability to check for voltage, continuity and resistance (Ohms). Some do not have a buzzer to sound off when continuity is broken but this is a very important feature to have. | ||
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| + | ---- | ||
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| + | \\ | ||
| + | [[parts:partsplus-01g|{{:parts:gototerminologylist.jpg|}}]] | ||
| + | \\ | ||
