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Repair Parts Home  Lawn Equipment Parts  Ryobi Parts  561635001 Primer Bulb

Primer Bulb

Part Number: 561635001
RyobiHomelite
Availability: 25+ in stock
Price: $3.72
Quantity:
Ships within 1 business day
Specifications
  • Outer Diameter (w/o flange): 0.715" (18.18 mm)
  • Outer Diameter (w/flange): 0.833" (21.18 mm)
  • Height: 0.691" (17.57 mm)
Description:
This is a genuine Ruixing replacement part, it is sold individually.
By pressing the bulb, it will purge the carburetor of air.
Fuel will be forced up from the fuel tank through the fuel line then into the carburetor.
Then the excess fuel will be forced back into the fuel tank through the fuel return line.

At some time the primer will lose its elasticity or crack and need to be replaced.

We have an article and video on How to Replace a Primer Bulb, in our Repair Center. That can be found on the front page of our site.

Product Information
Manufacturer: Ryobi, Homelite
Product Number: 561635001
Classification: Part
Weight: 0.01 lbs.
Also Known As: Purge Bulb, Carb Primer, Carburetor Primer, Fuel Primer, Primer Bubble
Shipping: Ships Worldwide
Repair Guides
Articles:
How to Replace a Primer Bulb
Replacing primer bulbs in small engines is one of the most common types of tool repairs, and this article explains profe...
June 25, 2010
Compatibility

This part is compatible with the following machines:

Homelite
Ryobi

Products Compatibility

This item works with the following types of products:

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

I replaced primer bulb and temporarily removed fuel filter. The bulb does not prime itself. What's next?
Dick for model number RY28000
Hello Dick, thank you for your question. If the bulb isn't priming I would check the fuel lines to and from the carburetor for any cracks or small holes. I hope this helps!
I need a new primer bulb but can't seem to find the correct one. Can you help me with a part#? Thanks!
Pam for model number RY252CS
Hello Pam, Thank you for the question. In order to locate the bulb. we will need the model number of the Engine. Once you have located the model number please feel free to resubmit the question and we will be happy to help you. Look forward to hearing from you!
Do you sell a fuel primer bulb for the subject Ryobi String trimmer? I purchased a Fuel system kit for this trimmer and it came with 2 bulbs. They do not fit this trimmer.
Butch for model number C430 RY34427
Hello Butch, thank you for your question. The bulb is only available by ordering the carb itself which is Part Number: 309375002. I hope this helps!
Need to order a primer bulb, x7 other number possibly on carburetor c7 985595-001. I see one for 3.72 part no. 561635001. Is this what I need to order?
Cheryl for model number Cs30
Hello Cheryl, Thank you for contacting us. I have researched the model you have provided and have found the part you are looking for is Part Number: 561635001. Hope this helps!
Repair Instructions: Submitted by Customers Like You
21 of 23 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Primer Bulb - 561635001
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Primer bulb was cracked
Removed 2 screws holding primer bulb plate, removed defective bulb. Placed the new bulb in place, then screwed the bulb plate back on.
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9 of 9 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Primer Bulb - 561635001
Fuel Tank Assembly - 308675051
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Cracked fuel bulb and hoses leaking on tank.
I removed two phillips head screws that held the fuel bulb in place. I removed the cover and replaced the cracked fuel bulb with the new one. I then removed the fuel tank by removing a center screw. I pulled the two broken lines from the carburetor and placed the new lines on. Then I replaced the center screw back under the new tank. Added fuel, primed with new bulb, and two pulls later the engine roared. eReplacementParts.com made it super easy.
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4 of 4 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Primer Bulb - 561635001
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Primer bulb cracked
Removed the flange holding the bulb
Removed the old bulb and replaced with the new one
Replaced flange
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4 of 4 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Primer Bulb - 561635001
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Primer bulb cracked just old
Remove the 2 screws and metal plate remove the old bulb, then put in bulb and replaced the plate, then tightened down the screws..
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2 of 2 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Primer Bulb - 561635001
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Primer bulb cracked
Removed the primer bulb cover
Removed the primer old primmer bulb
Installed the new primer in the holder
Screwed the primer cover back on
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1 of 1 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Primer Bulb - 561635001
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
primer bulb cracked
1. Removed cracked primer bulb using screwdriver to remove 2 screws securing metal plate
2. Installed new primer bulb in reverse order described in #1
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Thanks for voting and helping fellow customers!
1 of 1 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Primer Bulb - 561635001
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Crack in the primer bulb.
Unscrewed fuel injection and pulled parts apart. Took out old primer bulb and new bulb seated perfectly. Put pieces back together and screw into mower. Make sure screws are tight because an air leak will prevent the blower from running continuously
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1 of 1 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Primer Bulb - 561635001
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Primer bulb cracked
Removed 2 screws from the bulb cover and cracked bulb.
Clean area install bulb on the cover and screw it on
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Thanks for voting and helping fellow customers!
Tool Type:
Trimmer
Parts Used:
Fuel Tank Assembly - 308181004
Primer Bulb - 561635001
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Nutdriver
Tank and fuel lines leaking. Primer bulb split
Loosened the bolts that clamped the fuel tank in place. Removed the 2 fuel lines and tank. Placed new tank where old tank was and tightened bolts. Reconnected the fuel lines. Primer bulb held in place by 2 screws. Removed them, replaced bulb and tightened the screws.
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Thanks for voting and helping fellow customers!
Tool Type:
Blower
Parts Used:
Primer Bulb - 561635001
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Primer bulb had cracked
Took off retainer ring around old Primer blub and installed new bulb. Job took less than 5 minutes. Blower has never worked better!
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Reviews
4.9
Average Rating (out of 5):
10 Reviews
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  • Fast
    I went to my pc to try and find a part for my weed wacker thinking it'd take a half hour or more just to find a site and longer to order. Finding your site, finding the part from start to finish didn't take much longer than writing these couple sentences. And the grass had barely grown before the part was in my mailbox. Outstanding service.
    Steven - 6 days ago Verified Purchase
    Perfect part/ great customer service
    Perfect fit & easy install, plus the counter staff at the warehouse were extremely friendly & knowledgeable !! Glad I live nearby, will shop again !! Order online or at the counter !! Great value !!
    Guest - 9 days ago Verified Purchase
    Easy repair
    Arrived fast and works great.
    Gary - 10 days ago Verified Purchase
    primer bulb for weedeater
    Correct part and easy to install. Seller got the part out in a timely manner.
    Guest - 19 days ago Verified Purchase
    Trimmer Primer Bulb replace.
    Part worked perfectly. Back in business trimming.
    Guest - 25 days ago Verified Purchase
    Good quality bulb
    Appeared to be better quality than the one I replaced. Now weed eating again. Thanks!!
    Guest - July 23, 2019 Verified Purchase
    The exact part I needed.
    I bought this to replace one on my Ryobi leaf blower that is 5 years old and yellowing. I was afraid it was going to crack soon. It fit and works perfectly. Thanks!
    Guest - July 1, 2019 Verified Purchase
    Worked like new.
    Easy to install on my blower and it works.
    Guest - May 4, 2019 Verified Purchase
    Easy repair good part work as expected
    The right part arrive as expected
    Guest - April 30, 2019 Verified Purchase
    worked as expected
    my blower sparks and works again, thanks
    Guest - May 7, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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