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Description

What is the function of an on and off switch in lawnmowers?

The on and off switch in a lawnmower enables the operator to start or stop the engine by completing or interrupting the electrical circuit. When switched on, it allows current to flow to the ignition system, initiating the combustion process and enabling the engine to run. 

Conversely, when switched off, it cuts off the power supply to the ignition system, stopping the engine.

Why do you replace it?

Continuous usage, exposure to outdoor elements, or mechanical wear lead to switch failure or malfunction. The switch becomes unresponsive, loose, or physically damaged which creates difficulty in starting or stopping the lawnmower. 

A faulty switch can compromise the overall functionality and safety of the lawnmower, as it may prevent the engine from starting or cause difficulties in shutting it off. 

Would this fit in my lawnmower?

This on and off switch is a genuine Bosch lawnmower replacement part. It also fits Atco, Qualcast, and Suffolk Punch lawnmowers. Use our compatibility checker to see if this part fits your model.

Manufacturers Part Number:

  • F016F05717

Alternative Part Numbers:

  1. F016103606
  2. F016103607

EAN Number:

  • 4059952467443

Will this part fit your appliance?

Use our compatibility checker, Click here.

Finding your model number:

Struggling to find the model number on your Lawnmower? Click here.

Safety note:

Warning: Always unplug any appliance from the electricity supply before carrying out any work or testing on it.

Latest Product Review(s)

Read All Reviews
22 Customer Review(s)

Bosch Lawnmower switch

The hardest part was removing the wires from the old switch. I ended up cutting them and adding solder to the new ends. Reassembly was easy after that.

By Simon J McGrahan - Aylesford
7th Nov 2023

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Value

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Great product

Very easy to fit. A very good product and supplied very promptly

By Mike Hobbs - Bristol
16th Dec 2022

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Value

Ease of Fitting

Perfect spare

Just the job. Easy to fit, easy to use parts finder on website, good value.

By D. Stone - Tiverton
17th Oct 2022

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Value

Ease of Fitting

Lawn mower start switch

Exactly the part I wanted. Direct replacement. Delivered in good time

By Shaun Bunn - Sutton Bridge
12th Oct 2021

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Value

Ease of Fitting

As stated

Great quality and as stated 👍🏽👍🏽 Recommend it 👍🏾👍🏾👍🏾

By S Sharma - Welling
22nd Jun 2020

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Value

Ease of Fitting

Easier to fit than remove

Great service from Ransom Spares; prompt delivery during lockdown. Fitting the new switch is easier than removing the old one. Small risk of damaging the wires, but these can be prepped again with a suitable cable stripper.

By DERRICK - CROSSGATES
1st Jun 2020

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Value

Ease of Fitting

Bosch Switch

Exactly what was required, extended the life of the Qualcast Bosch Lawn raker

By Iain - Tunbridge Wells
29th Feb 2020

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Value

Ease of Fitting

Great Spare Part

Product delivered quickly. Compatable with my Easi Trak 32. Bit fiddly to fit but got it eventually. Lawn mower works like new now!

By Liz Britton - Glasgow
31st Oct 2019

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Value

Ease of Fitting

Good switch

Received promptly, and proceeded to fit. The part worked perfectly.

By Terry Keevil - Widnes
28th Jul 2019

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A quality spare part

The replacement switch was delivered within two or three days and fitted easily. Unfortunately it did not enable the Rotax mower to work so I suspect that the main motor has reached the end of its lifetime.

By Robert Fulford-Brown - Chertsey
8th May 2019

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Questions And Answers

1 Answer(s)
Does the switch come with the capacitor?
By Glen Smyth - Surrey - 13/04/2020
Hi Glen, I can confirm the capacitor is included with this switch.
By Jordan - Staff Member
1 Answer(s)
Is this switch suitable for Qualcast lawn mowers?
By Stephen - Willenhall - 11/05/2020
Hi Stephen, this is suitable for select models of Qualcast. Please submit a part enquiry with all the model details from the lawnmower and I can check to see if it's compatible with your model.
By Jordan - Staff Member
1 Answer(s)
Lawnkmower switches are not on/off switches they are a push switch that is held at the on position while you safety bar is held against the mower handle. This is so if you let go of the handle the mower switches off. My question is... is this a push switch or an on/off switch?
By colin - Kings Langley - 14/05/2020
Hi Colin, this is the switch in the switchbox which turns the motor on.
By Jordan - Staff Member
1 Answer(s)
Is the numbers on the unit 40/100/56/8 & KNB1530 ?
By Mr A H - Stourbridge - 14/07/2020
Hi, I can confirm these are the numbers on the capacitor.
By Jordan - Staff Member
1 Answer(s)
Hi This looks like it will fit the Bosch Rotak 400ER - please can you confirm if it will? Thanks
By TS - Saddleworth - 23/07/2020
Hi, Please submit a part enquiry and include the TYP number from the lawnmower beginning 0600 or 3600 so I can look in to this for you.
By Jordan - Staff Member

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