How do you remove a powerhead from an outboard motor?

1. Press the latch on the rear of the top cover, lift it from the motor and set it aside.
2. Remove the flywheel, using an adjustable wrench and a flywheel puller, and pull off the ignition coil and related ignition components.
3. Unscrew the six bolts from underneath the powerhead-to-gearcase flange.

How long does it take to replace a powerhead on an outboard motor?

Turnaround is usually about a week, but can be 2 weeks or so during busy months. We can even repair your damaged crank shaft, or minor to medium severity block damage including welding broken aluminum or replacing sleeves. Complete setup instructions will accompany your powerhead upon return.

What is a outboard powerhead?

The top section of an outboard motor, or the outboard powerhead, is composed of various components that make up a combustion engine. It houses the engine block, cylinder heads, pistons and valves that make the engine run.

How much does it cost to replace a powerhead?

Going price for a Merc 200 hp Rebuilt powerhead on Scream and Fly is from $1500 to $2500, plus you will have probably $200-$300 in shipping.

How long does it take to replace a powerhead?

With no problems or interuptions it should take closer to the 5-1/2 – 6 hr.

Where is the powerhead on an outboard motor?

What causes a blown powerhead?

When they do open, a rush of cold water circulates around the power head, thus engine block heat meets cold, circulating water. This is know as “thermal shock”. Theoretically, over time, this expansion/contracton of a cast iron block will warp the cylinders and heads, thus, leading to a blown powerhead.

When to remove the powerhead of an outboard motor?

The powerhead of an outboard motor is the equivalent of an automobile’s motor. When you remove the powerhead of your outboard motor, it’s like removing the engine from your car. And, like the engine of your car, the need for a powerhead repair will dictate the need for removal. The job’s complexity varies.

Do you need to remove powerhead on Mercury?

The removal is not required on the Mercurys I was working on but if you have a different motor, just in case, it is probably best to remove it. (Prop is attached). You should be able to observe a few bolts holding it in place. Make sure you remove trim tab as it also holds the driveshaft housing and gearhousing together.

What’s the best way to remove an outboard motor?

For some work, such as piston disassembly, honing and reassembly, even professional outboard technicians will admit the process is best to leave to a machinist. Press the latch on the rear of the top cover, lift it from the motor and set it aside. Remove the mounting screws for the lower cowling with a Phillips screwdriver and remove the cowling.

Can a jig be used to remove a powerhead?

If it is not flat, you can rig a jig out of scrap 2 X 4; build the jig so that it will support a certain side flat so that you may work on it. You can build it before you remove so that it is ready when you remove powerhead. This will also allow you to rotate the powerhead to remove exhaust covers, fuel pump, etc.