The transmission of a trial motorcycle is the system in charge of transmitting the power of the engine to the rear wheel, thus allowing the movement of the motorcycle. The transmission of a trials bike consists of several components, including the following:
Clutch: the clutch is the component responsible for transmitting engine power to the rest of the transmission system. The clutch is made up of a pressure plate, a clutch disc and a spring, and its function is to connect and disconnect the engine from the rest of the transmission system.
Gearbox: the gearbox is the component responsible for changing the transmission ratio of the motorcycle, thus allowing speed and power to be adapted to the needs of each moment. On trial bikes, the gearbox usually has few speeds and short ratios to be able to face obstacles easily.
Chain: the chain is the element that transmits power from the engine to the rear wheel. The chain connects to a sprocket on the engine and a sprocket on the rear wheel, and its tension must be adequate to avoid wear and tear problems.
Sprocket and crown: the sprocket is the component that is located on the motor shaft, and is connected to the chain, while the crown is located on the rear wheel and is also connected to the chain. The transmission ratio of the motorcycle is defined by the number of teeth of the pinion and the crown, and this ratio can be modified to adapt the power and speed to the needs of each moment.
It is important to carry out regular maintenance on the transmission of a trial motorcycle to ensure its correct operation and prolong its useful life. This includes cleaning and lubricating the chain, periodically checking the sprockets and crown, and checking the level and quality of the gearbox oil. In addition, it is important to use quality oil that is specific for the corresponding motorcycle, and change it according to the manufacturer's recommendations.
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