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The bike's sound is unique among its two- and four-stroke contemporaries but also quite loud. [49] Early in production (December 1974, Frame #11901), Suzuki reduced the size of the spark arrestor tubes, [ 50 ] which both reduced noise and horsepower, but the RE5 exhaust note remains distinctive.
The V Due was a 500cc V-twin two-stroke motorcycle first manufactured by Bimota in 1997. Technical specs included the first electronically controlled direct fuel injection on a two-stroke bike, cassette type gearbox and dry clutch. Its power-to-weight ratio surpassed almost all sports bikes of the day. The first production run of 150 bikes ...
At the professional level, bikes are split up into two levels based on their displacements: MX and MX Lite. The MX Lite class contains 125cc two-stroke engines and 250cc four-stroke engines, while the MX class pits 250cc two-stroke engines against 450cc four-stroke engines. The actual displacement for both four-strokes and two-strokes can be ...
[2] 1932 Squirrel. In 1929 Scott achieved third place in the Isle of Man TT and launched a road going TT Replica Flying Squirrel. Following cost cutting the factory also launched a basic touring model in 1929 for under £70. Financial problems continued, however, and in 1931 Scott were unable to enter the TT or the Earls Court show.
499 cc (30 cu in), 2-stroke, four-cylinder, liquid-cooled, reed valve induction with YPVS Bore Stroke 56.4 mm × 50.0 mm (2.22 in × 1.97 in) Compression Ratio 6.6:1 Fuel System Mikuni VM26SS 26 mm (1.0 in) carburettor x 4 Lubrication Yamaha Autolube two stroke injection, transmission gear pump. Ignition
In a 2006 road test, Motorcycle Cruiser magazine recorded a quarter mile time of 16.35 sec at 77.2 mph. Average fuel mileage for the S40 was 52.9 mpg. [ 4 ] The S40's "thumper" engine (single-cylinder, four-stroke), is among the largest displacement single cylinder motorcycle engines in production as of 2018, alongside the Suzuki DR650SE and ...
Motorcycles with a V-twin engine mounted with its crankshaft mounted in line with the frame, e.g. the Honda CX series, are said to have "transverse" engines, [1] [2] while motorcycles with a V-twin mounted with its crankshaft mounted perpendicular to the frame, e.g. most Harley-Davidsons, are said to have "longitudinal" engines.
The European models at this time included the Bradbury 3.5 hp (2.6 kW), the Brough HB, the Douglas 2.75 hp (2.05 kW) and 4 hp (3.0 kW) models, the Humber 3.5 hp and 6 hp (4.5 kW) models, the Matchless 6 hp, the Montgomery 6 hp, Williamson Flat Twin 8 hp (6.0 kW), and the Bayerische Flugzeugwerke Helios (the predecessor to BMW's first motorcycle).