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Small oil application device for Singer sewing machines. Cycle oil is a light lubricating oil suited for use on bicycles and similar devices. [citation needed] It is a liquid residue produced in the petroleum industry when catalytic cracking is employed to convert heavy hydrocarbon fractions remaining from earlier stages of crude oil refining into more valuable lighter products.
E-bikes out of this standard are considered as motorcycles and are subject to helmet and license regulation. [79] China is the world's leading manufacturer of e-bikes, with 22.2 million units produced in 2009. Some of the biggest manufacturers of E-bikes in the world are BYD and Geoby.
It is the only remaining, not revoked classification of the API Two-Cycle motor oil specifications (TA, TB, TC, TD). Being a very old standard itself, most currently produced 2T lubricants meet its specifications, even the lowest quality ones; current high-quality oils exceed them (often labeled "API TC+" although not based on actual measurements).
[6] One of the first gas motor-assisted bicycle designs was the Millet motorcycle developed by Félix Millet in France in 1892. [7] Millet's designs had both pedals and a fixed-crankshaft radial engine built into the back wheel. In 1896, E. R. Thomas of Buffalo, New York, began selling gasoline engine kits for propelling ordinary bicycles.
The oil is contained in a reservoir that connects to a small oil pump in the engine, which needs to be periodically refilled. Oil injection pump on a Yamaha DX100 - just behind the carburettor (visible on the left) It is the primary component of two-stroke automatic lubrication system.