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Jul 18, 2023 · The crankshaft of a motorcycle is a critical component in the engine, responsible for converting the reciprocating motion of the pistons into rotational motion that drives the transmission and ultimately powers the wheels. Understanding the technical specifications and mechanical engineering principles behind the crankshaft is essential for ...
Sep 19, 2018 · How is the crankshaft supported in a modern motorcycle engine? In this video, Cycle World Technical Editor Kevin Cameron explains how skinny little shells c...
- 3 min
- 72.6K
- Cycle World
- Cylinder Head
- Piston and Cylinder
- Crankshaft
- Crankcase
- Rocker Arm and Valves
- Camshaft
- Timing Chain/Sprocket
- Spark Plug and Ignition System
- Other Supporting Systems
Starting from top of the engine is the cylinder head that is bolted on to the engine cylinder/block. Cylinder and cylinder head together form the combustion chamber. Cylinder heads in most older pre 80s motorcycles were made of cast iron, modern production motorcycles have them in aluminium alloy. As cylinder head acts as the top half of the combus...
Piston is cylindrical alloy part that moves up and down in the cylinder and is responsible for transforming kinetic energy (created by igniting fuel/air mixture) into mechanical energy. The piston has grooves for cast iron rings and usually there are three grooves to accommodate the three piston rings. The top ring ensures airtight environment for ...
One of the heavier components in the engine responsible for building inertia and momentum is the crankshaft. Crankshaft is designed to convert linear (up and down) motion of piston into rotational motion.Forged steel is used to make this part and it is machined by CNC machines and balanced to precision. In some highly advanced motorcycles like Yama...
To accommodate important parts like the crank, pistons, cylinder, oil pump, pinions, gears and other components in an hermetically sealed environment, you need a strong and dedicated housing. This housing is called crankcase (the lower part below the cylinder) and forms the largest cavity in the engine. Irrespective of the number of pistons, the cr...
It’s a small but important component that you could think of as a doorman whose job is to open or close doors. Rocker arms are guided by camshafts to open inlet/exhaust valves. One end of the rocker is guided by the lobe of the camshaft while the other end pushes the spring loaded valve to open. In pushrod type of engines, there would be pushrod, p...
Camshaft determines how much air goes in and comes out via the opening and closing of valves– one of the most important working components of a four-stroke engine The camshaft is dependent on the crankshaft for the ignition timing, opening/closing of valves. Both the sprockets — one on camshaft and the other on crankshaft are connected by a timing ...
There’s a sprocket on the crankshaft that connects the sprocket of the camshaft using a timing chain. When the engine is cranked, the movement of the crankshaft for opening and closing of the valves is determined by the camshaft lobs besides the precise ignition firing point. In two-stroke engines, this arrangement is not required.
Without a high voltage spark, you cannot start an engine. The job of igniting the air-fuel mixture in the engine cylinder lies with the spark plug/s. The spark pluggets its 12,000-25,000 volt input from a high tension ignition coil. The timing for the spark has to be precise and this is done by an electronic capacitor discharge ignition (CDI) unit....
For an engine to run smoothly, there are many supporting system functions to operate. Here, we also discuss few of the main systems important for the motorcycle engine.
Engine: The engine is the heart of the motorcycle and is responsible for generating power. It consists of various components such as the cylinders, pistons, crankshaft, and camshaft. The parts diagram can help you understand the internal workings of the engine and how it produces power.
Jun 15, 2024 · Discover how engine diagrams can optimize maintenance, troubleshooting, and performance enhancement for motorcycle aficionados. Unravel the mysterious world of motorcycle engines with detailed diagrams illustrating the intricate process of power generation.
Aug 20, 2018 · Fundamentally, the crankshaft performs a simple task: translate the linear motion of the pistons into rotation. It’s doing the same job as the crank arm of a bicycle, which turns the more-or-less up and down motion of your legs into rotation.
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Nov 3, 2018 · The rod is connected to a large axle-type thing, called a crank. As combustion pushes the piston and con rod down, they turn the crank. Momentum in the crank (which is comparatively heavy) now swings the con rod and piston back up the cylinder again.
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