Personal watercraft engine parts and PWC engine rebuild kits.

The engine is the heart of a jet ski, providing the power and propulsion that allows it to move through the water. It is a complex system that consists of several different parts and components that work together to generate power and drive the jet ski's propulsion system.

Here are some common parts and components of a jet ski engine:

• Engine block: This is the main structure of the engine, which houses the cylinders, crankshaft, and other internal components.
• Cylinders: These are the hollow chambers in the engine block where the fuel is burned and the power is generated. Jet ski engines typically have two or four cylinders, depending on the size and power of the engine.
• Crankshaft: This is the main shaft of the engine that converts the up-and-down motion of the pistons into rotational motion, which drives the jet ski's propulsion system.
• Pistons: These are the cylindrical components that move up and down inside the cylinders, driven by the expansion of the burning fuel.
• Connecting rods: These are the long, slender rods that connect the pistons to the crankshaft, allowing the up-and-down motion of the pistons to be translated into rotational motion.
• Valves: These are the components that control the flow of air and fuel into and out of the cylinders.
• Camshaft: This is a shaft that is driven by the crankshaft and operates the valves via a series of cam lobes.
• Fuel system: This includes the fuel tank, fuel pump, and fuel injectors, which supply the fuel to the engine and ensure that it is burned efficiently.

Overall, the engine and its parts are essential for the proper operation of a jet ski, and it is important to keep them well-maintained in order to ensure that the jet ski is running smoothly and efficiently.