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VIN on a Chinese moped VIN on a 1996 Porsche 993 GT2 VIN visible in the windshield VIN recorded on a Chinese vehicle licence. A vehicle identification number (VIN; also called a chassis number or frame number) is a unique code, including a serial number, used by the automotive industry to identify individual motor vehicles, towed vehicles, motorcycles, scooters and mopeds, as defined by the ...
A new transmission, with the primary drive sealed in an oil bath, was introduced for 1961. [ 4 ] The Topper H was introduced in 1961 (sold through 1965) with a new alloy cylinder head that increased the compression ratio to 8.0:1, a reusable foam air filter, and revisions to the cylinder ports and air intake tube.
However, the additional gear sets are a source of power loss and added weight. A shaft-equipped motorcycle may also be susceptible to shaft effect . Virtually all high-performance racing motorcycles use chain-drive because they are the most mechanically efficient transmitting power to the rear wheel.
Recirculating oil system introduced on all H-D engines in 1936, R became W to denote this. WLA and WLC were military models, WR was a racing model Servi-Car: 45.1 cu in (739 cc) flathead 1932–1936 (R-series engine) 1937–1973 (W-series engine) From 1964, the first Harley-Davidson to have electric starting. [2] Model K and KK
Towards the end of the Shovelhead's production, Harley-Davidson made numerous modifications in an attempt to keep the engine usable for production. Belt drive was added to their motorcycles in 1980 to prevent the oil leakage from the enclosed chain, along with a 5-speed transmission and rubber motor mounts to help reduce vibration. [1]
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OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.
A Triumph Sprint ST on a chassis dynamometer Suzuki Hayabusa at Bonneville Speed Week.. Motorcycle testing and measurement includes a range of more than two dozen statistics giving the specifications of the motorcycle, and the actual performance, expressed by such things as the output of the engine, and the top speed or acceleration of the motorcycle.