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Honda CVCC engines have normal inlet and exhaust valves, plus a small auxiliary inlet valve. On the intake stroke a large amount of a very lean mixture is drawn into the main combustion chamber; at the same time a very small amount of rich mixture is pulled into the pre-chamber near the spark plug.
Disengaging the clutch for each shift out of, and then into, each gear is double clutching or declutching. [4] Due to the absence of a neutral spacing, double-clutching is impossible for sequential gear changes, as with a fully sequential gearbox used in motorcycles and racecars. The double-clutching technique involves the following steps:
This allows the engine's idle speed to be maintained constant. The linear servo is most commonly a combination of a DC motor , lead screw and a digital optical encoder . There is essentially no difference in efficiency between the technique of bypassing the throttle butterfly and operating the butterfly itself.
The B-series are a family of inline four-cylinder DOHC automotive engines introduced by Honda in 1988. Sold concurrently with the D-series which were primarily SOHC engines designed for more economical applications, the B-series were a performance option featuring dual overhead cams along with the first application of Honda's VTEC system (available in some models), high-pressure die cast ...
Close ratio 5-Speed Manual clutch, wet ? Honda CRF150R Honda GL160 (NeoTech 1600) 1995–2009 Four-stroke, SOHC 2-valve, Single-Cylinder, Air-cooled. 156.90 9.2 : 1 63.50 x 49.70 CDI Carburetor Keihin PD 22 mm 5-Speed Manual clutch, wet 14.7 hp @ 8500 rpm Honda GL-PRO NeoTech 1600, Mega Pro 1600, MegaPro GL1600, CBZ160 Honda GL200: 1993–2012
A carburetor (also spelled carburettor or carburetter) [1] [2] [3] is a device used by a gasoline internal combustion engine to control and mix air and fuel entering the engine. [4] The primary method of adding fuel to the intake air is through the Venturi tube in the main metering circuit, though various other components are also used to ...
For example, if an automobile typically gets 20 miles per US gallon (12 L/100 km) with a 20% efficient engine that has a 10:1 compression ratio, a carburetor claiming 100 mpg ‑US (2.4 L/100 km) would have to increase the efficiency by a factor of 5, to 100%. This is clearly beyond what is theoretically or practically possible.
A direct-shift gearbox (DSG, German: Direktschaltgetriebe [1]) [2] [3] is an electronically controlled, dual-clutch, [2] multiple-shaft, automatic gearbox, in either a transaxle or traditional transmission layout (depending on engine/drive configuration), with automated clutch operation, and with fully-automatic [2] or semi-manual gear selection.