Part Location Diagram of 651172-0 Makita Circular Saw Trigger Switch
See part A-7 in the diagram
( Grid squares measure 1x1 inch )

Circular Saw Trigger Switch 651172-0

Manufactured by:
Makita
ERP Number:
ERP10153579
Part Number:
651172-0
Original Equipment Manufacturer ?
In Stock
Delivers in 3-5 Business Days!

Easy 

15 - 30 mins 

(28 rated repairs) ?

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Product Description

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This trigger switch is for circular saws. Trigger switch starts and stops the circular saw. Unplug the circular saw before installing this part. Wear work gloves to protect your hands.

Troubleshooting

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

Customer Part Reviews

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4.8
Average Rating (out of 5):
★★★★★
★★★★★
(24 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.

Easy 

15 - 30 mins 

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

Saw continued to run after switch was released

Lauren from COLUMBIA, South Carolina

12 of 12 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
651172-0
1. Removed screws from saw handle and removed the cover.
2. Removed old switch from the handle.
3. Disconnected the wires from the old switch and attached each to the new switch (disconnecting and attaching the wires one at a time to insure their proper placement on the new switch).
4. Put the new switch back into the ha ndle
5. Replaced cover on the handle and reattached the screws.
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Saw would not start when trigger pressed.

Steven from Akron, New York

6 of 6 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
651172-0
The whole story: Makita circular saw. Initially, it would take several presses of the trigger to get it going. Over time it took more \"trigger presses\" and eventually it simply died. I took it apart in search of something obvious but found nothing. Upon reassembly, as soon as I plugged it in it would run (almost lost a finger or two) continuously until I unplugged it. I bought a new switch, replaced it, and it now functions like new. ereplacementParts is an awesome website as it guided me to the correct part quickly at a fair price.
I removed the handle cover and the cord clamp. Made a wiring diagram of the switch wires, then removed the wires. Connected the wires to the new switch, tightened down the cord clamp and installed the handle cover. Thank again!
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Switch not working

Kim from Wichita, Kansas

5 of 5 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
Parts Used:
651172-0
1- Remove screws from handle half
2- Remove switch from housing
3- Remove cord clamp
4- Make a wiring diagram and remove the wires from the switch
5- Install the wires into the new switch
6- Screw switch into housing and install the cord clamp
7- Install the handle half


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Dropped a Part on Trigger,

LK from Durango, Colorado

5 of 5 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
651172-0
Pretty simple, I think it took longer to find the part on the web. Flat head screw drive or a phillips Take the screws out of handle around trigger. No need to take any other scews out until you pry the handle apart, it is slotted has come straight out, then unscrew the cord, pop the old trigger out Remove screws in electrical connection s . then put it back together.
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the switch was bad and the electrical cord was broken

Michael from Bryant, Alabama

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
Parts Used:
682505-8, 664265-4, 651172-0
Disassembled the handle.
Removed the swiitch.
Attached the new cord and cord guard.
Re-installed the switch.
Reassembled the handle.
Saw works perfect.
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Saw would not start

Phyllis from Luttrell, Tennessee

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Nutdriver, Pliers, Screw drivers
Parts Used:
664265-4, 651172-0
I already had removed my old parts while waiting for my new parts to arrive. There are 2 screws on the switch and 2 for the cord. Both parts were installed within 15 minutes. My favorite saw is new again.
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Bad switch.

Hank from VENICE, Florida

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
651172-0
Took apart, removed the old switch, connected the new one. Reassembled.
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Circular saw would not shut off except by unplugging it

Irving from McMinnville, Oregon

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
651172-0
1. Unscrewed saw handle to expose switch
2. Removed old switch
3. Installed new switch
4. Replaced saw handle.

I was amazed that ereplacement parts had the switch for my 30+ year old saw!
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Switch would not turn off ,cord was getting frayed

Marshall from Mountain Home, Arkansas

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
Parts Used:
682505-8, 664265-4, 651172-0
Remove screws in saw handle ,cord restraint, and last screws in switch. Remove screws from motor leads. I had to obtain terminal ends for the cord before proceeding. After reattaching motor leads and cord with new cord guard it was an easy job to reassemble switch and cord into saw handle.
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Switch didn\'t work

Matt from Saint Petersburg, Florida

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
651172-0
1. Took apart the housing.
2. Disconnected and removed the old faulty switch.
3. Connected the wires to the new switch.
4. Secured the new switch in the housing.
5. Reassembled and tested.
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