STRUCTURE OF MOUNTING VEHICLE-SPEED SENSOR IN MOTORCYCLE

In a motorcycle in which a motor housing cavity for housing a part of a starter motor, and a sensor mounting seat for mounting a vehicle-speed sensor placed facing an outer periphery of a specific gear of the gear transmission mechanism are provided on the upper face of the crankcase rearward of the...

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Bibliographische Detailangaben
Hauptverfasser: YAMANISHI, TERUHIDE, NAOKI KONO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:In a motorcycle in which a motor housing cavity for housing a part of a starter motor, and a sensor mounting seat for mounting a vehicle-speed sensor placed facing an outer periphery of a specific gear of the gear transmission mechanism are provided on the upper face of the crankcase rearward of the cylinder block, and a sprocket cover is attached to a side face of the crankcase, the vehicle-speed sensor mounted to the upper face of the crankcase is protected while eliminating the need for a dedicated protective cover for a reduction in component count. A sensor mounting cavity 55 having an inner end at which a sensor mounting seat 47 is formed and having an opening formed on a side face of the crankcase 19 is provided on the upper face of the crankcase 19 rearward of the motor housing cavity 45. The vehicle-speed sensor 46 is mounted in a fluid tight manner on the sensor mounting seat 47 in such a manner as to be surrounded on all sides by the starter motor 44, the sprocket cover 43 and a side wall of the sensor mounting cavity 55.