Genuine OEM Replacement Part used on some Makita Saws. This part is Sold Individually. A switch handles the on/off and variable speed functions. They also have a role in electric breaking; they can momentarily reverse electrical polarity. Because switches use mechanical internals, they will degrade and wear out over time, eventually requiring replacement.
Switch 651923-1
OEM part for: Makita
Part Number: 651923-1
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Compatibility
This part will fit the following 44 machines
Makita
This item works with the following types of products:
- Miter Saw Parts
- Saw Parts
- Pole Saw Parts
- Circular Saw Parts
- Chain Saw Parts
This part replaces obsolete part #: 975-001-190
Repair Videos ?
Customer Part Reviews ?
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Does this fit my product?Questions & Answers for Switch
Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
No power coming out of switch to motor
Tool Type
Miter Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver
Parts Used
My Makita Saw would not run. Replaced the Controller and it works like new! Thank you so much for having my part!
Tool Type
Miter Saw
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Pliers
Parts Used
Remove the two screws on the armature cover and slide cover off. This will expose the Controller. It just sits in there in a cradle type notch. Wiggle it out and remove one wire at a time from the old Controller on the saw and connect the new wires each time. This will ensure that the wires are properly connected.
The long red wire leading to the switch requires disassembly of the handle. After removing the handle screws, CAREFULLY take the trigger assembly apart. There is a tiny spring at the bottom end of the safety bar that will be hard to find if you lose it.
Attach the long red wire to the switch and reassemble in reverse order.
Your saw will start smoothly and run like brand new!
Miter table hard to turn
Tool Type
Miter Saw
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Provided onboard socket.
Also replaced switch to fix electronic brake issue. Fixed. Tip: Take a picture of the wires before disassembling.
Also changed bellows on back. Easy, except saw had been dropped and plate was bashed. Had to straighten. Little screws prone to stripping, but I made it work without stripping.
Needed a new power cord, brake was not working.
Tool Type
Miter Saw
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Wrench Set, Allen wrench
Removed wires from power cord connecting to switch one at a time. Make sure you note the terminals that you removed these wires from.
First the white(neutral wire) and the black(hot wire).
Remove the two screws from the power cord hold down clamp.
Replaced power cord and Strain reliever and reinstall the power cord hold down clamp.
Connect both white and black wires to the new switch.
Remove the two brake wires from the old switch noting their position.
Connect the two brake wires to the new switch.
Replace the handle cover screws.
Switch wasn’t a perfect fit. To make fit the safety mechanism has to be eliminated.
Tool Type
Miter Saw
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Die grinder
Parts Used
Switch failed in "on" position on Makita LS1040 Miter Saw made in 2011
Tool Type
Miter Saw
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers
Parts Used
2. removed trigger and adjoining piece
3. used small screwdriver to loosen wire in old switch and then install in new switch
4. re-assemble trigger and adjoining piece, and put in Black button
5. assemble plastic cover
Bad switch
Tool Type
Miter Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Switch was intermittent
Tool Type
Miter Saw
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Wrench Set, wire strippers and needle nose pliers
Parts Used
The only difference is that the blade brake no longer works. But I saved the saw from the trash.
Switch
Tool Type
Miter Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
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Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.