中文 Pусский Español Français

What Are the Names of the Parts of an Outboard Motor

Mar. 15, 2024


If you're brand-new to the boating world, you have actually heard the terms outboard engine, power head, tiller as well as stern fin all frequently. It resembles a book from paradise! What do all those words suggest? It is necessary for an individual in the marine industry to comprehend exactly how all their different elements interact. Chinese outboard motor supplier CALON shares this with you.


We already know that the outboard motor is the propulsion system of a ship. This kind of electric motor is made to be mounted outside the boat - which enables even more room inside the boat. A vital item of info regarding outboard electric motors is that they can be found in 2 different variations: 2-stroke as well as 4-stroke. To read more about the distinctions in between these motors, have a look at our 2-stroke vs. 4-stroke guide.


Beginner's Overview: Outboard Motor Parts Names


Parts of an outboard motor

Outboard motors are made up of three parts all. 


The outboard power head

The top of the outboard engine or outboard powerhead includes the various components that comprise an interior combustion engine.

Crankshaft: The piston is attached to the crankshaft inside the engine block. As the pistons go up and down, the crank turns around them to generate power.

Engine block: The engine block is where the relocating parts of the engine are located as well as includes the piston rods, pistons and also crankshaft.

Cylinder head: Above the cylinder, you will find the cylinder head - one more part that forms the engine block. Typically, the area contains the camshaft, spark plugs, cams as well as shutoffs.

Another essential element is the cooling channels, which are incorporated in the engine block, cyndrical tubes as well as cylinder heads. These flows put cooling down water over the powerhead, which maintains the engine from overheating as well as damaging it.


Center area

The center area of the outboard engine is a metal housing designed to connect the engine to the lower device. Its primary feature is to act as a network to connect the engine parts to the lower device parts.

On smaller sized watercrafts you will generally find a tilting system that raises the engine out of the water. On bigger outboards as well as some smaller ones, there is an electrical motor that raises the engine up and down with the push of a switch.

You will certainly additionally discover the drive shaft real estate, which is the main architectural element of the engine. This consists of the pipes that links to the lower system and transfers the cooling water to the powerhead.

Simply put, the middle section works as a bridge in between the powerhead and also the reduced unit.


Rear Unit

Similar to the powerhead, the outboard lower unit has many moving parts.

The outboard lower unit is located undersea and consists of a selection of components including: shift mechanism, equipment set, drive shaft, seals and gaskets, clutch, and so on.

The gearshift mechanism controls the rotation of the propeller. The equipments transmit rotational forces by applying pressures to the teeth of another gear. In the outboard lower system, they rotate the engine result torque by 90 degrees to drive the drive shaft.

The 3 gears situated in the outboard reduced system include: the pinion gear, the reverse equipment as well as the forward equipment. These gears send pressures to generate various speeds, torques and also directions from the source of power. In addition, the tiller plays a vital duty in steering the boat. It is a lever affixed to the tiller stem that the chauffeur utilizes to guide the watercraft as well as you can think of it as a guiding wheel.



Now you know the parts of an outboard motor, and it's easy for you to repair it. Besides two stroke and four stroke motors, we also have C series Chinese outboard motors for sale. Please feel free to contact us.