Part Location Diagram of 651923-1 Makita Switch
See part 116 in the diagram
Replacing your Makita Miter Saw Switch
( Grid squares measure 1x1 inch )

Switch 651923-1

Manufactured by:
Makita
ERP Number:
ERP10153681
Part Number:
651923-1
Original Equipment Manufacturer ?
  Works with your model  LS1040F!
In Stock
Delivers in 3-5 Business Days!

A Bit Difficult 

30 - 60 mins 

(9 rated repairs) ?
  Works with your model   LS1040F!

Product Description

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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.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Makita
This part works with the following products:
  • Miter Saw
  • Saw

Videos For installing this part.

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Replacing your Switch

Customer Part Reviews

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5.0
Average Rating (out of 5):
★★★★★
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(6 Reviews)
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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.

A Bit Difficult 

30 - 60 mins 

(9 rated repairs) ?
  • 1
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Sorry, we couldn't find any existing installation instruction that matched.

No power coming out of switch to motor

john from long beach, Washington

13 of 13 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
651923-1
Split the handle/trigger assembly. Watch for spring at bottom of trigger its under load. Make a wiring diagram of the wires. You may want to take a picture of the internal parts of the handle. Remove cord clamp. Disconnect the wires from the old switch and attach them to the new switch. Replace the cord clamp. Put the handle back together .
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My Makita Saw would not run. Replaced the Controller and it works like new! Thank you so much for having my part!

Daniel from NEW MILFORD, Connecticut

1 person found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
Parts Used:
651923-1
BE SURE TO UNPLUG YOUR SAW BEFORE STARTING THIS REPAIR.
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!
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Miter table hard to turn

Fred from Fairfax, California

1 person found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers
Parts Used:
651923-1, 415210-0, 231038-6
Took central nut off, miter guide, then lifted of table. Cleaned, and lubed with silicone spray. Replaced spring, reused old ball bearing. Reassembled, not over tightening nut. Much smoother now.
Also replaced switch to fix electronic brake issue. Fixed. Tip: Take a picture of the wires before disassembling.
Also changed bel lows 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.
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Needed a new power cord, brake was not working.

John from Lake Hopatcong, New Jersey

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Screw drivers, Wrench set
Remove screws from handle to expose power cord, and switch.
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.

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Switch failed in \"on\" position on Makita LS1040 Miter Saw made in 2011

Dale from Fairbury, Illinois

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers
Parts Used:
651923-1
1. Found Youtube video showing how to change switches. Removed plastic cover
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
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Switch was intermittent

James from Upper Chichester, Pennsylvania

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Screw drivers, Wrench set
Parts Used:
651923-1
My Makita mitre saw is so old they stopped making the switch for that model. The saw is in great shape so I ordered a switch for a newer model. The new switch was a little larger, but with some alterations to the inside of the handle I got it to sit in place and it works like the old one.
The only difference is that the blade brake no longer works. But I saved the saw from the trash.
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Bad switch

Terry from Silver Lake, Minnesota

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
651923-1
Replaced switch in handle. Disconnect and replace one wire at a time so they won\'t get mixed up.
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Switch wasnGÇÖt a perfect fit. To make fit the safety mechanism has to be eliminated.

Dave from Mt. Vernon, Washington

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Pliers, Screw drivers
Parts Used:
651923-1
Had to make the area bigger for the switch with die grinder and remove the safety
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Switch

David from Greenfield , Wisconsin

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
651923-1
Replaced switch
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  • 1