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How to Fit a New Motor in a Flymo Lawnmower

If the motor in your Flymo lawnmower is burnt out, you will need to replace it to get your appliance back in working order again. In this article, we're going to run you through how to fit a new motor in a Flymo lawnmower to get your appliance back up to scratch.

How do I know if my lawnmower motor is faulty?

You will be able to tell if the motor has burnt out as it will emit an electrical burning smell, which will usually happen if your mower has been put under excessive strain. This could be due to cutting long grass, debris building up and preventing the blades from turning efficiently or anything else that may have resulted in your mower working extra hard.

Fortunately, with the proper guidance, you can replace your motor at home by yourself. This process may differ slightly depending on your specific lawnmower model, but it should generally be the same.

What you will need:

To carry out the following replacement, you will need to have the following...

Finding your model number

To make sure you purchase the correct motor for your particular lawnmower, you will need to know your mower's model number. This number can usually be found on a sticker or data plate on either the underside or the back of the appliance. The number is usually a combination of both letters and numbers, and it might also contain other characters such as a dash (-) or a slash (/). For more advice on finding your lawnmower's model number or what to do if your model number has rubbed off, head over to our guide.

How to fit a new motor in a Flymo lawnmower

Now let's get started! To learn how to fit a new motor in a Flymo lawnmower, either watch our video below or follow our step-by-step guide beneath.

Safety first!

Remember, safety is always a priority. Make sure your lawnmower is both switched off and disconnected from the mains before carrying out any work.

Step 1: Remove the blade and impeller

To access the motor, you will first need to remove the blade and impeller. Using your Flymo spanner, unscrew the large plastic screw that holds the blade in place on the underside of the mower.

Unscrewing The Large Plastic Screw Underside The Mower That Holds The Lawnmower Blade In Place With A Flymo Spanner

This will allow you to remove the blade and then also the circular impeller beneath the blade.

Removing The Circular Impeller Beneath The Lawnmower Blade By Hand

Step 2: Unscrew the undercarriage

Next, you'll need to unscrew the undercarriage. Using a Torx head screwdriver, remove the four screws surrounding the centre of the undercarriage...

Removing The Four Screws Surrounding The Centre Of The Lawnmower Undercarriage With A Torx Head Screwdriver

And also remove the screw that can be found at the far end of the mower's underside, as pictured below.

Removing The Screw At The Far End Of The Lawnmower's Underside

Step 3: Remove the front cover

Flip the lawnmower back to the right way up and remove the grass collection box from inside.

Removing The Grass Collection Box From Inside The Lawnmower

Using a Phillips screwdriver, remove the two screws that can be found on the back side of the mower's front cover...

Using A Phillips Screwdriver To Remove The Two Screws On The Back Side Of The Mower's Front Cover

And also remove the screw at the front of the mower, just beyond and below the front of the cover.

Removing The Screw At The Front Of The Mower, Beyond And Below The Front Of The Cover

You can then lift off the motor cover and put it to one side.

Lifting Off The Lawnmower Motor Cover

Step 4: Remove the motor and drive assembly

Now that the undercarriage has been unscrewed and the front cover has been removed, remove the motor and drive assembly. You can do this by simply lifting the assembly out by hand.

Lifting The Motor And Drive Assembly Out Of The Lawnmower By Hand

You will then need to remove the motor from the top of the black drive assembly. Using your Torx head screwdriver, remove the four screws that keep the motor attached to the drive assembly from the underside.

Using A Torx Head Screwdriver To Remove The Four Screws That Keep The Motor Attached To The Drive Assembly From The Underside

With the screws removed, you can then also remove the belt from the drive assembly by hand.

Removing The Lawnmower Belt From The Drive Assembly By Hand

With the belt removed, you will be able to slide the motor out of the drive assembly.

Sliding The Lawnmower Motor Out Of The Drive Assembly

Step 5: Attaching the wiring to the new motor

To start replacing the motor, you'll first need to disconnect the wiring from the old motor and reattach it to the new one. It's important to make sure all the wires fit into exactly the same places as on the old motor, so we recommend taking a photo beforehand for guidance.

The Wiring On The Old Lawnmower Motor Compared To The New Lawnmower Motor

To disconnect and reconnect the wires, you can simply pull them free from their clips on the old motor and slot them into their correct places on the new one. Check your photo to make sure the wires are in the same place.

Pulling The Wires Free From Their Clips On The Old Motor And Slotting Them Into Their Correct Places On The New Motor

Step 6: Fit the new motor onto the drive assembly

To fit the new motor onto the drive assembly, slot it into place on the assembly.

Slotting The New Motor Into Place On The Drive Assembly

Then reattach the belt onto the motor and drive assembly pulleys.

Reattaching The Belt Onto The Motor And Drive Assembly Pulleys

You will need to make sure there is tension in the belt once it has been refitted. To do this, pull against the drive assembly and keep the belt tight as you secure the motor with the four screws you removed earlier.

Pulling Against The Drive Assembly And Keeping The Belt Tight And Securing The Motor With Four Screws

Step 7: Reattach the motor and drive assembly

With the motor and drive assembly reconnected, flip them around and slot them into place inside the mower.

Flipping The Motor And Drive Assembly Around And Slotting Them Into Place Inside The Mower

Make sure you also push the cable that connects the motor to the lawnmower into place.

Pushing The Cable That Connects The Motor To The Lawnmower Into Place

Then return the lawnmower's cover and screw it back into place with the three screws you removed earlier.

Rescrewing The Lawnmower Cover Back Into Place With Three Screws

Turn the lawnmower around to return the four screws to the undercarriage that you also removed earlier.

Turning The Lawnmower Around And Returning The Four Screws To The Undercarriage With A Torx Head Screwdriver

Finally, return the impeller and blade before screwing them back into place with the large plastic screw. Make sure you tighten the screw again using your Flymo spanner.

Screwing The Impeller And Blade Back Into Place With The Large Plastic Screw Using The Flymo Spanner

There you go! How to fit a new motor in a Flymo lawnmower in a few simple steps. Your appliance should now be up and running again!

As mentioned at the beginning of the article, one possible cause of a burnt-out motor is a build-up of debris that hinders the blades. This is just one of many faults that can arise from a dirty lawnmower, so make sure you're cleaning yours properly to ensure the best performance. You can also make sure you're using your appliance as safely as possible with our guide on important safety checks for your lawnmower.

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