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Some (mostly smaller) motorcycles, and many scooters use either a continuously variable transmission, or a hydraulic automatic transmission. semi-automatic transmissions are also in use; where the driver's input is still required for shifting gears, but the clutch system is controlled and operated automatically.
Unlike a four-stroke engine, the crankcase of which is closed except for its ventilation system, a two-stroke engine uses the crankcase as part of the induction tract, so oil must be mixed with gasoline to be distributed throughout the engine for lubrication. [1]
A significant factor in their gain in popularity was the ability of synthetic-based lubricants to remain fluid in very low temperatures, such as those encountered on Germany's eastern front, which caused petroleum-based lubricants to solidify owing to their higher wax content. The use of synthetic lubricants widened through the 1950s and 1960s ...
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A fluid coupling cannot develop output torque when the input and output angular velocities are identical. [7] Hence, a fluid coupling cannot achieve 100 percent power transmission efficiency. Due to slippage that will occur in any fluid coupling under load, some power will always be lost in fluid friction and turbulence, and dissipated as heat.
The former chief of staff to U.S. Rep. Alexandria Ocasio-Cortez, D-N.Y., announced Wednesday his intention to run against Rep. Nancy Pelosi, D-Calif., calling the Democratic Party "paralyzed and ...
The Kawasaki KDX200 is an intermediate enduro motorcycle intended predominantly for off-road use. It was introduced in 1983 after revisions to the preceding KDX175. It has been a long-standing model in Kawasaki's lineup, having been introduced in the early 1980s, seeing several revisions along the way up to the end of its production in 2006.
But others decided to go ahead anyway. "Although we received suspension orders, we have not halted our work in Uganda, Tanzania, and Ethiopia," says a spokeswoman for Medical Teams International ...