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Fuel Return Line

Part Number: 791-181086
MTDRyobiTroy-BiltBolensYard ManYard Machines
Availability: 25+ in stock
Price: $4.82
Quantity:
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*This part replaces obsolete part #: 791-180243, 791-182495 and 791-181168.

Product Information
Manufacturer: MTD, Ryobi, Troy-Bilt, Bolens, Yard Man, Yard Machines
Product Number: 791-181086
Classification: Part
Weight: 0.01 lbs.
Also Known As: Fuel Return Tube, Fuel System, Fuel Return Pipe, Fuel Line
Shipping: Ships Worldwide
Description:
The purpose of the 791-181086 Fuel Return Tube is to return the excess fuel back into the fuel tank, after the primer bulb has been pressed and has primed the carburetor to start.

After time the Fuel Return Line will become brittle and crack and will need to be replaced.

Compatibility

This part is compatible with the following machines:

Ryobi
410r (21A-121R034) Tiller
410r (21AK410G034) Tiller
410r (21BK410G034) Tiller
410r (21CK410G034) Tiller
410r (21DK410G034) Tiller
410r (21EK410G034) Tiller
410r (21FK410G034) Tiller
280r (41BR280C034) Handheld Blower
280r (41DR280G034) Handheld Blower
280r (41ER280G034) Handheld Blower
280r (41FR280G034) Handheld Blower
310BVr (41BS310G034) Handheld Blower/Vacuum
310BVr (41BS310G034) Handheld Blower/Vacuum
310BVr (41DS310G034) Handheld Blower/Vacuum
310BVr (41DS310G034) Handheld Blower/Vacuum
310BVr (41ES310G034) Handheld Blower/Vacuum
310BVr (41ES310G034) Handheld Blower/Vacuum
320BVR (41AS320G034) Handheld Blower/Vacuum
320BVR (41AS320G034) Handheld Blower/Vacuum
320BVR (41AS320G734) Handheld Blower/Vacuum
320BVR (41AS320G734) Handheld Blower/Vacuum
320BVR (41BS320G734) Handheld Blower/Vacuum
320BVR (41BS320G734) Handheld Blower/Vacuum
340BV (41BS340G034) Handheld Blower/Vacuum
340BV (41BS340G034) Handheld Blower/Vacuum
340BV (41CS340G034) Handheld Blower/Vacuum
340BV (41CS340G034) Handheld Blower/Vacuum
340BV (41DS340G034) Handheld Blower/Vacuum
340BV (41DS340G034) Handheld Blower/Vacuum
600r (41AN600G034) Handheld Trimmer
600r (41BN600G034) Handheld Trimmer
700r (41AD700G034) Handheld Trimmer
700r (41AD700G734) Handheld Trimmer
700r (41ADL01G034) Handheld Trimmer
700r (41ADL01G734) Handheld Trimmer
700r (41BD700G034) Handheld Trimmer
700r (41BDL01G034) Handheld Trimmer
700r (41CD700G034) Handheld Trimmer
700r (41DD700G034) Handheld Trimmer
700rVP (41AD7VPG034) Handheld Trimmer
700rVP (41AD7VPG734) Handheld Trimmer
700rVP (41CD7VPG034) Handheld Trimmer
704r (41AD704G034) Handheld Trimmer
704r (41AD7V4G734) Handheld Trimmer
704r (41BD704G034) Handheld Trimmer
704r (VP 41AD7V4G034) Handheld Trimmer
704rVP (41BD7V4G034) Handheld Trimmer
704rVP (41CD704G034) Handheld Trimmer
704rVP (41CD7V4G034) Handheld Trimmer
705r (41AD705G034) Handheld Trimmer
705r (41AD705G734) Handheld Trimmer
705r (41BD705G034) Handheld Trimmer
705r (41BD705G734) Handheld Trimmer
705r (41CD705G034) Handheld Trimmer
720r (41AD720A034) Handheld Trimmer
720r (41BD720A034) Handheld Trimmer
720r (DE 41AD72EC034) Handheld Edger
725r (41AD725A034) Handheld Trimmer
725r (41AD725A734) Handheld Trimmer
725r (41AD725B034) Handheld Trimmer
725r (41AD725C034) Handheld Trimmer
725r (41ADL04A034) Handheld Trimmer
725r (41ADL04A734) Handheld Trimmer
725r (41BD725A034) Handheld Trimmer
725r (41BD725A734) Handheld Trimmer
725r (41BD725B034) Handheld Trimmer
725r (41BD725C034) Handheld Trimmer
725r (41BDL04A034) Handheld Trimmer
725r (41CD725A034) Handheld Trimmer
725r (41CD725B034) Handheld Trimmer
725r (41CD725C034) Handheld Trimmer
725r (41DD725A034) Handheld Trimmer
725r (41ED725A034) Handheld Trimmer
725rE (41AD2REC034) Handheld Trimmer
725rE (41AD7CRC034) Handheld Trimmer
725rE (41BD2REC034) Handheld Trimmer
725rE (41BD7CRC034) Handheld Trimmer
725rE (41CD2REC034) Handheld Trimmer
725rE (41CD7CRC034) Handheld Trimmer
750r (41AD750A034) Handheld Trimmer
750r (41AD750E034) Handheld Trimmer
750r (41BD750A034) Handheld Trimmer
750r (41BD750E034) Handheld Trimmer
750r (41DD750F034) Handheld Trimmer
765r (41AD65CG034) Handheld Trimmer
765r (41AD765G034) Handheld Trimmer
765r (41AD765G734) Handheld Trimmer
765r (41ADL02G034) Handheld Trimmer
765r (41ADL02G734) Handheld Trimmer
765r (41BD765G034) Handheld Trimmer
765r (41BD765G734) Handheld Trimmer
765r (41BDL02G034) Handheld Trimmer
766r (41BD766G034) Handheld Trimmer
766r (41CD766G034) Handheld Trimmer
767r (41BD767G034) Handheld Trimmer
767r (41CD767G034) Handheld Trimmer
767rJ (41DD76JG034) Handheld Trimmer
767rJ (41ED76JG034) Handheld Trimmer
770rEB (41AD7EBC034) Handheld Trimmer
775r (41AD775A034) Handheld Trimmer
775r (41AD775A734) Handheld Trimmer
775r (41AD775B034) Handheld Trimmer
775r (41ADL05A034) Handheld Trimmer
775r (41ADL05A734) Handheld Trimmer
775r (41BD775A034) Handheld Trimmer
775r (41BD775A734) Handheld Trimmer
775r (41BD775B034) Handheld Trimmer
775r (41BDL05A034) Handheld Trimmer
775r (41CD775A034) Handheld Trimmer
775r (41CD775B034) Handheld Trimmer
775r (41DD775A034) Handheld Trimmer
775r (41ED775A034) Handheld Trimmer
775r (41FD775A034) Handheld Trimmer
780r (41BD780G034) Handheld Trimmer
780r (41ED780G034) Handheld Trimmer
780r (41FD780G034) Handheld Trimmer
790r (41AD790A734) Handheld Trimmer
790r (41BD790A034) Handheld Trimmer
790r (41DD790A034) Handheld Trimmer
790r (41ED790A034) Handheld Trimmer
790r (41FD790A034) Handheld Trimmer
RGBV3100 (41ASGBPG034) Handheld Blower/Vacuum
RGBV3100 (41ASGBPG034) Handheld Blower/Vacuum
RGBV3100 (41ASGBPG734) Handheld Blower/Vacuum
RGBV3100 (41ASGBPG734) Handheld Blower/Vacuum
RGBV3100 (41ASGBVG734) Handheld Blower/Vacuum
RGBV3100 (41ASGBVG734) Handheld Blower/Vacuum
RGBV3100 (41BSGBPG734) Handheld Blower/Vacuum
RGBV3100 (41BSGBPG734) Handheld Blower/Vacuum
RGBV3100 (41BSGBVG034) Handheld Blower/Vacuum
RGBV3100 (41BSGBVG034) Handheld Blower/Vacuum
RGBV3100 (41CSGBVG034) Handheld Blower/Vacuum
RGBV3100 (41CSGBVG034) Handheld Blower/Vacuum
RGBV3100 (41DSGBVG034) Handheld Blower/Vacuum
RGBV3100 (41DSGBVG034) Handheld Blower/Vacuum
RGBV3100 (41ESGBVG034) Handheld Blower/Vacuum
RGBV3100 (41ESGBVG034) Handheld Blower/Vacuum
990r (411088141) String Trimmer
740R 2-Cycle Gas Trimmer
Troy-Bilt

Products Compatibility

This item works with the following types of products:

  • • Blower
  • • Cultivator
  • • Edger
  • • Trimmer
  • • Vacuum
Questions & Answers

What is the I.D. and O.D. size of the return fuel line.
LaVerne for model number 700r
Hello LaVerne, Thank you for the great question. The measurements for this line are as follows, ID: 3/32 "x OD: 3/16 " x Length: 2'. Thank you for your inquiry, good luck with this repair!
Repair Instructions: Submitted by Customers Like You
26 of 27 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Fuel Line and Filter - 791-682039
Fuel Return Line - 791-181086
Repair Difficulty:
Medium
Time Spent Repairing:
15-30 minutes
Tools Used:
Pliers, it helps to use a small section of wire to use as a guid
The return hose was brittle and fell apart , and the fuel line was ready to start leaking as well
On the return line I used a very thin to slip inside the hose so I could guide it to the hole in the gas tank, worked very well, it was long enough to remove from the opening in the top of the tank , the fuel line was a little trickier because the filter needs to go in from the top of the tank , and the nipple has to be forced through the opening in the bottom of the tank, I used a piece of flat iron that was narrow enough to fit through the tank top opening, I bent the end of it so it would fit over the top of the filter , about a 45 degree angle, and was able to push it in place , then put the fuel line on and the lock ring , and then pushed the other end on the nipple to the bulb, make sure the return line isn't in to far in the tank or the motor wont run
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14 of 15 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Fuel Return Line - 791-181086
Fuel Tank Assembly - 753-04307
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
, torx head in a ratchet driver
Fuel lines had lots of cracks and was leaking badly/tank had a crack in it also
I just followed the video on youtube.com on how to replace the fuel lines . I would also suggest to replace the primer bulb at the same time
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12 of 12 people found this instruction helpful
Tool Type:
Cultivator
Parts Used:
Fuel Line and Filter - 791-682039
Primer and Hose Assembly - 791-683974B
Fuel Return Line - 791-181086
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Fuel Leak
The fuel line and filter, primer and hose assembly, and the fuel return line had deteriorated over time and were leaking fuel. I found the parts here and ordered them. When the parts arrived, I removed four screws from the rear cover on the engine, pulled off the old hoses and put the new ones on. I screwed the rear cover in place and was done in about 30 minutes or less.
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9 of 10 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Primer and Hose Assembly - 791-683974B
Fuel Return Line - 791-181086
Fuel Line Assembly - 791-147036
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Star driver, needle nose pliers, side cutting pliers.
The primer bulb was degraded and leaking gas. The primer hose to the carburetor was degraded and broken. Other hoses were degraded and brittle.
1. Remove all the torx screws holding the outside covers in place. Remove the left cover.
2. Remove the old primer bulb assembly from the right cover. Disconnect old fuel lines as required.
3. Draw or take a picture of the throttle control trigger in the right cover, then remove it and the cable from the cover.
4. Remove the throttle cable from the right cover and set it to the side. It won't go far because the kill switch is still attached.
5. Removed the gas tank and all old/broken hoses/parts.
6. Installed the fuel line in the bottom of the tank. (This requires pulling the filter hose connection through the small hole in the bottom of the tank from the inside. Do not use pliers. Just feed the end of the hose through the hole and apply a steady pull to the hose and wiggle it around. The piece will pull through without breaking anything.)
7. Install the new return fuel line (mine was blue) on the primer bulb assembly.
8. Cut a bevel on the other end to make it easy to feed it into the side hole on the gas tank. This hose was a little long, so I had to cut about an inch off to make it fit correctly.
9. Install the fuel line (bottom of gas tank) to the connection on the cylinder side of the carburetor. This requires good light and long needle nose pliers, unless you want to remove the air filter. (this also removes the carburetor.)
10. Install the primer bulb in the right side cover with the short (clear) fuel line to the front.
11. Connect the front line (clear) to the fitting on the intake side of the carburetor.
12. Push the rear line (blue return line) into the hole in the side of the gas tank.
13. Re-install the throttle cable and trigger assembly to the right cover.
14. With the right cover in place, but not screwed down, and without replacing the left cover, add fuel to the gas tank and check for leaks.
15. Press the primer bulb several times to be sure it is operating properly and there are still no leaks.
16. If all is good, replace the left cover and install all the mounting screws.

Note: I had not used my blower for about 5 years, so I had to do the fuel/air mix setup found in the manual and replace the spark plug. Runs like a dream and no gas leaks.
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5 of 5 people found this instruction helpful
Tool Type:
Edger
Parts Used:
Fuel Line and Filter - 791-682039
Fuel Return Line - 791-181086
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Screwdriver, Star Screwdriver
No fuel getting to the motor; rotted fuel return line.
Ryobi edger, around 15 years old. Replacing the fuel return line was fairly simple; lots of on-line youtube videos. Knowing the return line was rotted, I expected the fuel line was bad as well, so I went ahead and ordered it. Good thing as it disintegrated as I was replacing the return line. Getting the replacement line through the fuel tank with the new filter was a lesson in patience. What I wasn't prepared for was the 3d fuel line, from primer to the engine. Most of that line was hidden beneath the cowl cover so I wasn't expecting it. Sure enough, when I finished replacing the first two, the primer line broke off. I did not have a replacement line, but, I had enough of the old fuel line to shave it down and use it as a temp fix. I know I need to replace that line and probably the plastic primer button. Lesson learned...when one line rots, plan on replacing the entire set up.
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4 of 4 people found this instruction helpful
Tool Type:
Edger
Parts Used:
Fuel Line and Filter - 791-682039
Fuel Return Line - 791-181086
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, 6\\
Fuel supply and fuel return lines were cracked and brittle
1) Remove carburetor / muffler cover (4 screws)
2) Remove fuel and fuel return lines
3) Remove fuel filter from inside of gas tank
4) Thread small gauge wire up into gas tank through fuel supply hole
5) Insert hose end of new fuel filter hose over the wire in the gas tank
6) Feed fuel hose down along the wire. Wire acts as a guide to line up the new hose.
7) Pull wire and hose through hole in tank
8) Seat fuel filter
9) Discard wire and connect all hoses
10) Replace carburetor / muffler cover
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3 of 3 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Carburetor Gasket - 791-610675
Fuel Line and Filter - 791-682039
Spark Plug - 791-610311B
Primer and Hose Assembly - 791-683974B
Fuel Return Line - 791-181086
Repair Difficulty:
Easy
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Pliers
I had a Ryobi weed trimmer that i took to two shops for a tune and replace old fuel lines...both shops recommended i buy a new one as the cost of repairing the item was going to likely run $90-$120 and it was pointed out to me that i could buy a new one for $120...after figuring what parts i needed it cost under $50 and my time (1 hour).

Watched a YouTube video on replacing fuel lines and general tune up...looked up my brand/model on ereplacementParts.com and they had all the parts listed for any repair i might have...i selected the parts mentioned in the video and paid for them in the easy check out... they were delivered within a couple days...I watched the video again and re-assembled my parts and the trimmer started right up...the next day i was trimming about an acre of weeds n grass..

This was my first time using ereplacementParts.com. For me everything went great..i highly recommend them to anyone trying to repair your own equipment...
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3 of 3 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Carburetor Gasket - 791-610675
Fuel Line and Filter - 791-682039
Fuel Return Line - 791-181086
Nut - 712-04105
Diaphragm Gasket Kit - D10-WAT
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Pliers, Nutdriver
Unit had sat idle for several years
Replaced all fuel lines, fuel filter and all gaskets and diaphragms in carburetor. Filled with fresh fuel and turned over on 6th pull.
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3 of 3 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Fuel Return Line - 791-181086
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver, Pliers, Side cutters
Leaking petrol
Pulled old return line out of fuel tank with long nose pliers.
Pulled return line off spigot on primer using screw driver blade to gently ease line off
Clipped end of replacement line on angle to ease fitting then pushed into fuel tank.
Cut to other end to length and the pushed other end on to spigot on fuel primer
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3 of 3 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Fuel Line and Filter - 791-682039
Fuel Return Line - 791-181086
Repair Difficulty:
Medium
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, Pick, punch
Fuel line cracked, filter dirty
In fixing my Yardman YM1500 fuel system, I purchased parts from ereplacement. When the parts arrived, I removed the old filter and fuel line by pulling them out with a pair of pliers. I then pushed the new filter in from the inside of the tank,using a screwdriver. Connected the line back to the carburetor. And works like a charm!!!
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Reviews
5
Average Rating (out of 5):
6 Reviews
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  • Quick and easy
    The video helped me know how simple this replacement was.
    Guest - 4 days ago Verified Purchase
    All I asked for was delivered promptly.
    All I ordered was new, fit perfectly, and the edger runs like new! Whjat more could I ask? Thank you
    Jim - July 13, 2019 Verified Purchase
    Right part, good price
    It is often a pain to find that one part you don't expect to be able to find and isn't easy to find an off the shelf substitute, but eReplacementParts did it quickly and at a very reasonable price.
    Guest - July 1, 2019 Verified Purchase
    fuel line
    I needed a new fuel line for my Ryobi gas trimmer and was able to get the exact one I needed and they even had a video of how to route and install the parts... very helpful....
    Guest - July 1, 2019 Verified Purchase
    Excellent parts, successful repair, and extra part
    Primer bulb and fuel line arrived as advertised. The company video provided excellent instruction when it came to installation. The result was a trimmer that now works! Somehow I ended up with two primer bulbs maybe I hit the order button twice?
    Guest - June 25, 2019 Verified Purchase
    Fuel return line
    The line is exactly what I ordered. I have not used/installed it yet.
    David - June 4, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
    • Highest Rating
    • Most Recent
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    Product Information
    Manufacturer: MTD, Ryobi, Troy-Bilt, Bolens, Yard Man, Yard Machines
    Product Number: 791-181086
    Classification: Part
    Weight: 0.01 lbs.
    Also Known As: Fuel Return Tube, Fuel System, Fuel Return Pipe, Fuel Line
    Shipping: Ships Worldwide
    Repair Guides
    Watch the Repair Video for Fuel Return Line
    How to Replace the Fuel Return Line on a Ryobi Trimmer
    Articles:
    How to Replace the Fuel Return Line on a Ryobi Trimmer
    Fuel-up on facts: Simple steps to remove and install the return fuel line on a Ryobi string trimmer....
    September 03, 2015
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