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Makita RBC251 String Trimmer makita logo

 Makita RBC251 String Trimmer Parts

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 Fig # Img Part Name Availability Price
1Shaft Pipe
Part #: 621-10260-00
In stock
2 available
 $98.11
Add To Cart
2Shaft
Part #: 324893-4
In stock
2 available
 $6.86
Add To Cart
3Gear Case Assembly
Part #: 619-30010-06
In stock
3 available
 $196.84
Add To Cart
Clamp Washer Obsolete - Not Available
Part #: 6258504502
Discontinued
N/A
Clamp Washer Obsolete - Not Available
Part #: 6258504500
Discontinued
N/A
Clamp Compl. Washer Obsolete - Not Available
Part #: 621-80030-01
Discontinued
N/A
5Nut
Part #: 264018-7
Note: Only necessary for the brush cutter blade, not needed for string line
In stock
6 available
 $2.99
Add To Cart
Protector Assembly Obsolete - Not Available
Part #: 6218026000
Note: Only necessary for the brush cutter blade, not needed for string line
Discontinued
N/A
Protector Assembly Obsolete - Not Available
Part #: 195780-2
Discontinued
N/A
7
Hanger Assembly
Part #: 625-40190-00
Ships in 7 - 11 business days
 $13.28
Add To Cart
8
Control Lever Assembly Obsolete - Not Available
Part #: 6165016003
Discontinued
N/A
9Lever
Part #: 616-55006-01
In stock
19 available
 $11.67
Add To Cart
10Connector
Part #: 616-55007-01
Ships in 7 - 11 business days
 $9.96
Add To Cart
11Switch Obsolete - Not Available
Part #: 616-50090-02
Discontinued
N/A
12Tapping Screw Obsolete - Limited Quantity
Part #: 015-00499-20
In stock
3 available
 $1.25
Add To Cart
Fig #ImgPart NameAvailabilityPrice
13Tapping Screw Obsolete - Limited Quantity
Part #: 015-00499-20
In stock
3 available
 $1.25
Add To Cart
14Tapping Screw Obsolete - Not Available
Part #: 0150049911
Discontinued
N/A
15
Handle
Part #: 616-40050-02
Ships in 7 - 11 business days
 $40.40
Add To Cart
16
Spacer
Part #: 6164500200
Ships in 7 - 11 business days
 $4.92
Add To Cart
Cross Recess Bolt Obsolete - Not Available
Part #: 010-00698-20
Discontinued
N/A
Bolt M6X45 Obsolete - Not Available
Part #: 0017006450
Discontinued
N/A
18
Washer
Part #: 0031106000
Ships in 7 - 11 business days
 $1.18
Add To Cart
19
Flange Nut M6 Obsolete - Not Available
Part #: 002-37060-00
Discontinued
N/A
Socket Head Bolt M5x14
Part #: 922218-2
Ships in 7 - 11 business days
 $0.99
Add To Cart
Socket Head Bolt M5X12
Part #: 922211-6
Ships in 7 - 11 business days
 $0.99
Add To Cart
21
Socket Head Bolt M5X25
Part #: 266805-0
In stock
1 available
 $1.71
Add To Cart
22Control Cable
Part #: 063-00399-00
In stock
2 available
 $9.96
Add To Cart
32Cylinder
Part #: 523-15018-04
In stock
1 available
 $146.26
Add To Cart
40
Screw M5X25 Obsolete - Not Available
Part #: 0140059500
Discontinued
N/A
45
Washer M5 Obsolete - Not Available
Part #: 0031005000
Discontinued
N/A
Fig #ImgPart NameAvailabilityPrice
47
Flywheel
Part #: 525-70020-10
Ships in 7 - 11 business days
 $86.18
Add To Cart
63Screw Assembly Obsolete - Not Available
Part #: 004-36051-80
Discontinued
N/A
71
Pipe Bracket (1)
Part #: 625-15095-01
Ships in 7 - 11 business days
 $9.38
Add To Cart
72
Pipe Bracket (2)
Part #: 6251506901
Ships in 7 - 11 business days
 $11.67
Add To Cart
81Screw M5X62
Part #: 014-00594-70
In stock
3 available
 $1.71
Add To Cart
89
Cutter Shaft Set Obsolete - Not Available
Part #: 6243008002
Note: Available within part #6193001006 (fig #3) gear case only.
Discontinued
N/A
Outer Snap Ring
Part #: 003-15090-00
Ships in 7 - 11 business days
 $1.71
Add To Cart
Outer Snap Ring
Part #: 003-15080-00
Ships in 7 - 11 business days
 $1.71
Add To Cart
91Ball Bearing
Part #: 210049-4
In stock
2 available
 $3.44
Add To Cart
92Retaining Ring R-24
Part #: 962103-7
In stock
3 available
 $0.99
Add To Cart
93Oil Bolt M6x9
Part #: 625-30110-12
Ships in 7 - 11 business days
 $4.92
Add To Cart
94Ball Bearing 626ZZ
Part #: 060-00699-90
Ships in 7 - 11 business days
 $20.26
Add To Cart
Ball Bearing 6000DDU
Part #: 210082-6
In stock
1 available
 $13.96
Add To Cart
Ball Bearing 608LLU
Part #: 6253503700
Ships in 7 - 11 business days
 $31.13
Add To Cart
Inner Snap Ring
Part #: 003-14260-00
Ships in 7 - 11 business days
 $1.71
Add To Cart
Fig #ImgPart NameAvailabilityPrice
Inner Snap Ring
Part #: 0031422000
Ships in 7 - 11 business days
 $3.44
Add To Cart
Receive Washer
Part #: 625-85044-01
In stock
2 available
 $18.20
Add To Cart
Receive Washer
Part #: 6198500102
Ships in 7 - 11 business days
 $28.04
Add To Cart
104
Jet
Part #: 5256024020
Ships in 7 - 11 business days
 $12.47
Add To Cart
Fiber Gasket
Part #: 0037106000
Ships in 7 - 11 business days
 $0.99
Add To Cart
Gasket Obsolete - Not Available
Part #: 6251501400
Discontinued
N/A
401ATrimmer Head Bumper Only
Part #: A-15986
In stock
8 available
 $6.75
Add To Cart

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Trimmer Parts

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Repair Stories
Symptom:
Worn Part
Parts Used:
Part Number:
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Entry Date:2013-10-31 14:35:23
6 of 10 customers found these instructions helpful
Clutch Drum worn out.
Removed drive shaft assembly from housing. Removed snap ring from clutch shaft. Removed engine cover, then worn clutch drum. Replaced new drum put back together in reverse order.
Did these repair instructions help you?
Symptom:
Worn Trimmer Head
Parts Used:
Part Number:
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Entry Date:2015-07-23 13:43:45
0 of 0 customers found these instructions helpful
Trimmer Head Worn
Locate the appropriate adapter provided, and simply thread the adapter and the replacement head on. Ready to use.
Did these repair instructions help you?
Discussion
Discussion for the Makita RBC251 String Trimmer

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1200588
Question: Makita RBC251 Trimmer

cehmtx

Please call me regarding replacement of the "bumper" part OR the entire nylon trimmer head assembly. The price differential for my 12yr old trimmer COULD sway my decision to just trash my Makita and purchase a new one.
Thank you. Craig Heller-Bowling Green, KY - 270-842-9620 (office) or 270-991-1128 (cell).
WJA
Reply: Makita RBC251 Trimmer

WJA

Hello Craig,

The price of the A-15986 Trimmer Head Bumper, as you know is $6.49. The complete Trimmer Head, part number B-60109 is $39.60. The Makita trimmer has always been one of the best ones out there (My opinion). But it looks as if quite a few of the parts are becoming obsolete. So you can decide on what to do.

Hope this helps,
-WJA
madzack
Question: Makita Rbc251 String Trimmer

madzack

My trimmer starts fine but the head doisnt engage fully turns sounds like its grinding any suggestions been a great trimmer for over ten years
WJA
Reply: Makita Rbc251 String Trimmer

WJA

Hello madzack,

Sounds like the gears have finally worn out. You will probably want to replace part number, 6196-30010-06 Gear Case Assembly. They used to sell some of the parts needed for this individually. But it's only available now as an assembly.

Hope this helps,
-WJA
hoyt
Reply: Makita Rbc251 String Trimmer

hoyt

check the clutch drum,I've had two drums that the clutch cut right off.
duke
Question: Grease

duke

what is shell alvania no. 3 equivalent
WJA
Reply: Grease

WJA

Hello Duke,

If you have a local oil distributor in your area give then the following specs on the grease, the should be able to provide you with another brand if you can't get Shell.

Base Oil - Mineral
Thickener - Lithium
Minimum Temp. - -20
Max temp - 135

Hope this helps,
-WJA
WJA
Reply: Grease

WJA

Hello Duke,

If you have a local oil distributor in your area give them the following specs on the grease, the should be able to provide you with another brand if you can't get Shell. But they should be able to cross reference with the Shell number anyway.

Base Oil - Mineral
Thickener - Lithium
Minimum Temp. - -20
Max temp - 135

Hope this helps,
-WJA
Terry Hurst
Question: Head Removal

Terry Hurst

I have purchased a heavy duty head by Grass Gator and would like to replace the factory head. I can not figure how to get the head off. Most of the tools I have used in the past have a way to lock the head from twisting so it can be unscrewed. I feel ignorant but, just can't figure it out. Please help.
hoyt
Reply: Head Removal

hoyt

use a small allen wrench and put it through the hole in the gear case into the notch in the cover just behind the trimmer head,then turn head to the right,left hand threads i beleive. this will lock the shaft & the head should turn .
We have two of them and like most over 10 year. Both have taken a lot of abuse. To this day it starts with no more than 5 pulls. The only maintenance the unit has had I am just now doing. Caps and tanks, etc. I would purchase another one if I could, very pleased!
Ted
Review: Makita - RBC251
5 star
Ted
I have had this trimmer for about 10 years. It has been subjected to regular use and has required almost no service. So far I have replaced the gas cap (cracked), the fuel tank (fell out of my truck), and the primer pump (cracked). I also replace the spark plug annually. The unit is very easy to work on, fires right up, and gets the job done. It is light and powerful. I highly recommend.
Todd M
Review: Makita - RBC251
5 star
Todd M
I bought this string trimmer weed eater over 10 years ago & has been by far the best weed eater I've ever used & have never had a problem with it other then cracked gas cap. Decided to purchase after working for a lawncare service for 4 years. A++
Winston Stroderd
Review: Makita - RBC251
5 star
Winston Stroderd
I am a commercial cutter. This has to be the best and the lightest trimmer I have ever purchased.
Accessories
Accessories for the RBC251

Trimmer Line:
See more trimmer line 

.130" Square Trimmer Line - 120'x1 Donut
$20.78


.170" Round Trimmer Line - 269'x1 Spool
$57.56


.155" Square Trimmer Line - 42'x1 Donut
$12.86

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