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Ryobi 720r (41AD720A034) Handheld Trimmer

 Ryobi 720r (41AD720A034) Handheld Trimmer Parts

Shaft Assembly
Engine Assembly
   Shaft Assembly   

 Fig # Img Part Name Availability Price
A1Throttle Housing & Trigger Assembly Obsolete - Not Available
Part #: 753-04294
Note: Includes 2 & 3
Discontinued
N/A
A2Throttle Trigger Spring
Part #: 791-610314
In stock
9 available
 $5.71
Add To Cart
A3Throttle Trigger
Part #: 753-04295
In stock
10 available
 $5.34
Add To Cart
A4Throttle Cable Assembly
Part #: 791-182068
Note: 17 3/4"
In stock
13 available
 $11.75
Add To Cart
A5Upper Drive Shaft and Housing Assembly (Shaft is 25-1/8")
Part #: 753-04344
In stock
20 available
 $49.18
Add To Cart
A6
J-Handle Assembly
Part #: 791-180687
Note: Includes 7 & 8
Ships in 4 - 8 business days
 $24.07
Add To Cart
A7Grip
Part #: 791-612831
In stock
3 available
 $6.53
Add To Cart
A8Tube Closure
Part #: 791-612021
Backorder:
No ETA.
 $6.21
Add To Cart
A9Handle Bracket Assembly
Part #: 791-683295
Note: Includes 10-15
In stock
2 available
 $21.73
Add To Cart
A10Screw
Part #: 791-181811
In stock
2 available
 $2.50
Add To Cart
A11Upper Handle Clamp
Part #: 791-181812
In stock
2 available
 $4.74
Add To Cart
A12Middle Handle Clamp
Part #: 791-181813
Backorder:
No ETA.
 $6.55
Add To Cart
A13Lower Handle Clamp
Part #: 791-181814
In stock
1 available
 $4.80
Add To Cart
A14Nut
Part #: 791-181815
In stock
5 available
 $2.50
Add To Cart
A15Anti-Rotation Screw
Part #: 791-145569
In stock
14 available
 $4.77
Add To Cart
Fig #ImgPart NameAvailabilityPrice
A16Split-Boom Coupler
Part #: 791-181616B
In stock
4 available
 $15.41
Add To Cart
A17Screw
Part #: 791-182057
In stock
6 available
 $3.99
Add To Cart
A18Bolt
Part #: 791-181617
In stock
8 available
 $3.99
Add To Cart
A19Adjustment Knob
Part #: 791-181981
In stock
11 available
 $6.14
Add To Cart
A20Knob Retaining Nut
Part #: 791-181886
In stock
4 available
 $3.99
Add To Cart
A21Lower Boom Housing
Part #: 753-1218
In stock
2 available
 $64.48
Add To Cart
A22Upper Clamp Assembly
Part #: 791-153597
In stock
4 available
 $9.67
Add To Cart
A23Lower Flexible Drive Shaft (24 3/4")
Part #: 791-181852
In stock
25+ available
 $44.28
Add To Cart
A24Palnut
Part #: 753-04348
In stock
8 available
 $3.99
Add To Cart
A25Guard Mounting Screw Assembly
Part #: 791-181858
In stock
10 available
 $3.99
Add To Cart
A26Bushing Housing Assembly Obsolete - Limited Quantity
Part #: 791-181857
In stock
1 available
 $38.91
Add To Cart
A27Anti-Rotation Screw
Part #: 791-145569
In stock
14 available
 $4.77
Add To Cart
A28Guard And Blade Assy.
Part #: 791-683274
Note: Includes 29
In stock
25+ available
 $23.28
Add To Cart
A29Blade Assembly
Part #: 791-682061
In stock
7 available
 $8.64
Add To Cart
A30Outer Spool Assembly w/ Retainer
Part #: 791-153619
Note: Includes 31
In stock
9 available
 $18.43
Add To Cart
Fig #ImgPart NameAvailabilityPrice
A31Retainer
Part #: 791-610660
In stock
25+ available
 $3.99
Add To Cart
A32Spring
Part #: 791-610317B
In stock
19 available
 $5.86
Add To Cart
A33Inner Reel
Part #: 753-1155
In stock
18 available
 $15.04
Add To Cart
A34Bump Head Knob Assembly
Part #: 791-153066B
In stock
25+ available
 $10.04
Add To Cart
AReel and Line Assembly
Part #: 791-181460B
In stock
25+ available
 $18.67
Add To Cart
AShoulder Strap
Part #: 791-682075B
In stock
10 available
 $23.38
Add To Cart
A2-Cycle Oil, 3.2 oz Obsolete - Not Available
Part #: 147543R
Discontinued
N/A

Enter your engine's type number in this search field to show the parts that match your engine.

Your engine's type number is the second part of the model number stamped on your Briggs & Stratton engine (see picture).

Trimmer Parts

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How to Replace the Air Cleaner Case on an Echo Trimmer (Model SRM-225)
How to Replace the Air Cleaner Case on an Echo Trimmer (Model SRM-225)

Replace your case: Quick guide to removing and installing the air cleaner case on an Echo trimmer model SRM-225.
How to Replace the Cable Stoppers in an Echo Trimmer (Model SRM-225)
How to Replace the Cable Stoppers in an Echo Trimmer (Model SRM-225)

Stop drive shaft vibration. Replace the stoppers in your Echo trimmer with these simple instructions.
How to Replace the Guide Roller on an Echo Trimmer (Model SRM-225)
How to Replace the Guide Roller on an Echo Trimmer (Model SRM-225)

Instructions for removing and installing the throttle guide roller on an Echo SRM-225 trimmer.
Discussion
Discussion for the Ryobi 720r (41AD720A034) Handheld Trimmer

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mlc1830
Question: Ryobi 720r Carb

mlc1830

After cleaning the carb, I can get it to run - but only for a few minutes - then dies and primer bulb doesn't want to pump. After looking at some discussions, I assume the filters within the carb are gummed up (original parts about 20 years old). Anyway, my question is: The carb kit 791-180602 is more expensive than the whole carb 791-182875. Am I missing something? Is there an advantage in buying the carb kit over a new carb?
WJA
Reply: Ryobi 720r Carb

WJA

Hello mlc1830,

Like in most parts you buy individually sometimes the parts will cost as much or more the the complete part. I think the advantage of ordering the 791-182875 carburetor assembly. You are going to save yourself some time installing it, rather then rebuilding the carburetor itself.

-WJA
James B.
Question: Schematic Fuel Line Primer Bulb

James B.

Where do I find schematic of fuel line hook up/return line hook up/primer bulb hook up? I have replaced all lines but forgot how they were hooked up.
WJA
Reply: Schematic Fuel Line Primer Bulb

WJA

Hello James,

Here is an article and video explaining, How to replace fuel lines on 2 cycle engines.

Hope this helps,
WJA
Woody
Question: Clutch Assemby

Woody

How do I remove the Clutch cover? Does it require a puller?
I have a Ryobi 31cc Trimmer Plus 15" 720r. I was weed whacking and lost two screws on the unit. The screws came from a metal part that is located underneath the gas tank which contains 3 screws. Looking at your diagrams, it looks like part # B50 791-147575. This screw goes through 2 metal pieces and into the unit. I believe this is the part #: B47 791-182066 which (includes the bolts). Do you also sell the muffler cover? I would like to replace the muffler as well. Will these parts fit on the Ryobi 31cc Trimmer Plus 15" 720r. Thanking you kindly for your guidance.

P.S. I might as well purchase a new spark plug to have on hand. Can you give me that part #? Thanks again.
How do you remove the clutch drum assembly? The starter string will not retract.
UtahAV
Reply: Remove Clutch To Access Starter ...

UtahAV

Removal of the clutch drum isn't too hard of a project at all if you know a few tricks first. We have prepared an article and video that will provide you with all of the information you will need to remove the clutch drum. You can find the article and video at the following link...

How to Remove a Trimmer Clutch : eReplacementParts.com

I hope this helps you with your repair!

-Mark
madman
Question: Fuel Line Replacement

madman

i recently replaced an fuel line and figured the problem was solved only to realize the unit still leaks. There appear to be two holes at the bottom of the gas tank. should another line be connected here? if so, where would it connect to.
Alex
Reply: Fuel Line Replacement

Alex

One should go to the primer bulb and the other should come from the bottom of the carburetor (return line)
Lee
Reply: Fuel Line Replacement

Lee

Hey I have the same problem and even wrote to Ryobi about it and no reply forth coming. I do have one primer bulb connected and one from the bottom of the carb but still have a hole at the bottom of the fuel tank that leaked out all of the gas. I did nothing like replacing the lines, it just started, looked to see if maybe something come loose where I stored it and also negative. The two holes are from front to rear with the empty connection as the rearward one.
moses251
Question: Ryobi 720r Gas Tank Removal

moses251

Hi i need to know how to remove the gas tank on my ryobi720r trimmer
Accessories
Accessories for the 720r

Mix Oils:
See more mix oils 
T-00745
2-Stroke Oil w/ Stabilizer 50:1 Ratio 2.6 fl.oz
$3.99

6450001
Power Blend Ultimate 2-Stroke Oil 2.6 oz.
$2.99

6450025
Power Blend Ultimate 2-Stroke Oil 6.4 oz.
$3.99

fancyboxy