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Carburetor Rb-K75

Part Number: A021000742
EchoShindaiwa
Availability: 10 in stock
Price: $68.83
Quantity:
Ships within 1 business day

*This part replaces obsolete part #: A021000741 and A021000740.

Product Information
Manufacturer: Echo, Shindaiwa
Product Number: A021000742
Classification: Part
Weight: 0.26 lbs.
Shipping: Ships Worldwide
Description:
This is a genuine OEM sourced replacement carburetor. It is specially designed for use with Echo and Shindaiwa trimmer/brushcutters. Carburetor plays a key role in a gas powered equipment. It is used to mix the air and gas before the fuel mix goes to the engine. This is a metal body carburetor with a rubber primer bulb. Please note gaskets are sold separately.

To complete this repair you will need a screwdriver.

• Remove the rear cover
• Remove the carburetor
• Remove the fuel filter
• Install the fuel filter
• Install the carburetor
• Re-assemble and test the unit
Compatibility

This part is compatible with the following machines:

Shindaiwa
Echo
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GT-200I (08001001 - 08010265) Curved Shaft Grass Trimmer
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GT-200I (08010266 - 08999999) Curved Shaft Grass Trimmer
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GT-200I (10002689 - 10999999) Curved Shaft Grass Trimmer
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GT-200I (10001001 - 10002688) Curved Shaft Grass Trimmer
GT-200I (10001001 - 10002688) Curved Shaft Grass Trimmer
GT-200I (S65211001001 - S65211999999) Curved Shaft Grass Trimmer
GT-200I (S65211001001 - S65211999999) Curved Shaft Grass Trimmer
GT-200I (S72712001001 - S72712999999) Curved Shaft Grass Trimmer
GT-200I (S72712001001 - S72712999999) Curved Shaft Grass Trimmer
GT-200I (S80213001001 - S80213999999) Curved Shaft Grass Trimmer
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GT-200R (08001001 - 08043307) Curved Shaft Grass Trimmer
GT-200R (08001001 - 08043307) Curved Shaft Grass Trimmer
GT-200R (10002730 - 10999999) Curved Shaft Grass Trimmer
GT-200R (10002730 - 10999999) Curved Shaft Grass Trimmer
GT-200R (08143308 - 08999999) Curved Shaft Grass Trimmer
GT-200R (08143308 - 08999999) Curved Shaft Grass Trimmer
GT-200R (S65111001001 - S65111999999) Curved Shaft Grass Trimmer
GT-200R (S65111001001 - S65111999999) Curved Shaft Grass Trimmer
GT-200R (10001001 - 10002729) Curved Shaft Grass Trimmer
GT-200R (10001001 - 10002729) Curved Shaft Grass Trimmer
GT-200R (S72612001001 - S72612999999) Curved Shaft Grass Trimmer
GT-200R (S72612001001 - S72612999999) Curved Shaft Grass Trimmer
GT-200R (S80113001001 - S80113999999) Curved Shaft Grass Trimmer
GT-200R (S80113001001 - S80113999999) Curved Shaft Grass Trimmer
GT-201I (09001001 - 09001280) Curved Shaft Grass Trimmer
GT-201I (09001001 - 09001280) Curved Shaft Grass Trimmer
GT-201I (09001281 - 09999999) Curved Shaft Grass Trimmer
GT-201I (09001281 - 09999999) Curved Shaft Grass Trimmer
GT-201R (09001001 - 09006616) Curved Shaft Grass Trimmer
GT-201R (09001001 - 09006616) Curved Shaft Grass Trimmer
GT-201R (09006617 - 09999999) Curved Shaft Grass Trimmer
GT-201R (09006617 - 09999999) Curved Shaft Grass Trimmer
SRM-210 (08001001 - 08075194) Straight Shaft Trimmer / Brushcutter
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SRM-210 (10001001 - 10001300) Straight Shaft Trimmer / Brushcutter
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SRM-210 (S72812001001 - S72812999999) Straight Shaft Trimmer / Brushcutter
SRM-210 (S80313001001 - S80313999999) Straight Shaft Trimmer / Brushcutter
SRM-210i (10001001 - 10999999) Straight Shaft Trimmer / Brushcutter
SRM-210i (08001001 - 08002837) Straight Shaft Trimmer / Brushcutter
SRM-210i (08002838 - 08017570) Straight Shaft Trimmer / Brushcutter
SRM-210i (S65411001001 - S65411999999) Straight Shaft Trimmer / Brushcutter
SRM-210SB (09001001 - 09007107) Straight Shaft Trimmer / Brushcutter
SRM-210i (S72912001001 - S72912999999) Straight Shaft Trimmer / Brushcutter
SRM-210i (08017571 - 08999999) Straight Shaft Trimmer / Brushcutter
SRM-210SB (S65511001001 - S65511999999) Straight Shaft Trimmer / Brushcutter
SRM-210SB (08001001 - 08003129) Straight Shaft Trimmer / Brushcutter
SRM-210i (S80413001001 - S80413999999) Straight Shaft Trimmer / Brushcutter
SRM-210SB (09007108 - 09999999) Straight Shaft Trimmer / Brushcutter
SRM-210SB (S73012001001 - S73012999999) Straight Shaft Trimmer / Brushcutter
SRM-210SB (08003130 - 08999999) Straight Shaft Trimmer / Brushcutter
SRM-210SB (10001001 - 10001300) Straight Shaft Trimmer / Brushcutter
SRM-210SB (S80513001001 - S80513999999) Straight Shaft Trimmer / Brushcutter
SRM-210U (08001001 - 08999999) Straight Shaft Trimmer / Brushcutter
SRM-210SB (10001301 - 10999999) Straight Shaft Trimmer / Brushcutter
SRM-210U (09001001 - 09999999) Straight Shaft Trimmer / Brushcutter
SRM-210U (10001001 - 10001300) Straight Shaft Trimmer / Brushcutter
SRM-210U (10001301 - 10999999) Straight Shaft Trimmer / Brushcutter
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SRM-210U (S82113001001 - S82113999999) Straight Shaft Trimmer / Brushcutter
SRM-211 (09004756 - 09044491) Straight Shaft Trimmer / Brushcutter
SRM-211SB (09001085 - 09999999) Straight Shaft Trimmer / Brushcutter
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SRM-211I (09001001-09001143) Straight Shaft Trimmer
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SRM-211U (09001001 - 09999999) Straight Shaft Trimmer / Brushcutter
SRM-211SB (09001001 - 09001084) Straight Shaft Trimmer / Brushcutter
SRM-211i (09001701 - 09999999) Straight Shaft Trimmer / Brushcutter
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PPF-210 (09002767-09999999) Power Pruner Fixed Shaft
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HC-151 (09001001 - 09999999) Hedge Clipper
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HC-151 (S78211001001 - S78211999999) Hedge Clipper
HC-151I (09001001 - 09999999) Hedge Clipper
HC-160 (10001001 - 10999999) Hedge Clipper
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HC-160 (S76912001001 - S76912999999) Hedge Clipper
HC-160 (09001001 - 09999999) Hedge Clipper
HC-161 (06001001 - 06999999) Hedge Clipper
HC-180 (S78012001001 - S78012999999) Hedge Clipper
HC-180 (08001001 - 08999999) Hedge Clipper
HC-180 (09001001 - 09999999) Hedge Clipper
HC-180 (10001001 - 10999999) Hedge Clipper
HC-181 (09001001 - 09999999) Hedge Clipper
HC-200 (08001001 - 08999999) Hedge Clipper
HC-200 (10001001 - 10999999) Hedge Clipper
HC-200 (09001001 - 09999999) Hedge Clipper
HC-201 (09001001 - 09999999) Hedge Clipper
PE-200 (08001001 - 08999999) Edger
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PE-200 (10001001 - 10999999) Edger
PE-200 (S68211001001 - S68211999999) Edger
SHC-210 (08001001 - 08999999) Shaft Hedge Clipper
SHC-210 (09001001-09999999) Shaft Hedge Clippers
SHC-210 (10001001-10999999) Shaft Hedge Clipper
SHC-210 (S68911001001-S68911999999) Shaft Hedge Clipper
SHC-210 (S77512001001-S77512999999) Shaft Hedge Clipper
SHC-210 (S84513001001-S84513999999) Shaft Hedge Clipper
SHC-211 (09001001-09999999) Hedge Clipper

Products Compatibility

This item works with the following types of products:

  • • Edger
  • • Grass Trimmer
  • • Hedge Trimmer
  • • Pruner
  • • Trimmer
Questions & Answers

No questions have been asked yet
Repair Instructions: Submitted by Customers Like You
5 of 6 people found this instruction helpful
Tool Type:
Hedge Trimmer
Parts Used:
Carburetor Rb-K75 - A021000742
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Trimmer would not run @ high speed
Removed original carb from trimmer intake being carful not to damage the gasket between carb & intake because there is not on supplied with new carb. Affixed new carb with the original unint gasket snugged all machine screws reattached supply & return fuel lines primed bulb checked for leaks in two pulls of chord I was back in business. I did have to adjust the idle so trimmers would stay running @ idle.
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1 of 1 people found this instruction helpful
Tool Type:
Edger
Parts Used:
Carburetor Rb-K75 - A021000742
Repair Difficulty:
Medium
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Couldn't stop fuel from leaking out of the intake orifice causing the air filter to soak up the fuel.
1. Removed air filter & cover.
2. Removed carburetor, (2-screws, Phillips head).
3. Disconnected fuel control cable.
4. Disconnected fuel lines one at a time insuring the port I removed one from I installed onto the same one on the new carburetor.
5. Using the two screws removed in item#2 above, re-installed the new carburetor.
6. Installed the fuel control cable.
7. Primed the plastic primer bulb.
8. Started engine on second pull.
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1 of 1 people found this instruction helpful
Tool Type:
Hedge Trimmer
Parts Used:
Carburetor Rb-K75 - A021000742
Spark Plug - 15901019830
Repair Difficulty:
Medium
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Spark plug socket
Trimmer would only run with almost full choke, carburetor needed rebuilding
I put my Echo hedge trimmer in my bench vice ,removed the air filter removed two screws holding the carburetor to the engine unhook throttle cable installed new carburetor in reverse. New carburetor was an exact match the only tool needed was a screwdriver the repair took ten minutes could not have been easier and I also replaced the spark plug .
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Tool Type:
Trimmer
Parts Used:
Intake Gasket - 13001013410
Air Filter Case - P021049750
Carburetor Rb-K75 - A021000742
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Pliers, Socket set, Wrench Set
Would not start
1. Drained fuel from tank
2. Disconnected throttle cable and fuel lines from carburetor
3. Removed carburetor
4. Removed fuel tank and cleaned w/carburetor cleaner
5. Replaced in-tank pickup
6. Installed carburetor
6. Installed new air filter case
7. Added fuel and started trimmer
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Tool Type:
Trimmer
Parts Used:
Carburetor Rb-K75 - A021000742
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, No other tools
Trimmer would only run on near full to full choke.
Removed the air filter
Removed the fuel lines and throttle
Removed the two screws and the old carburetor
Installed the new carburetor on the screws
Replace the fuel lines and throttle and the air filter
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Tool Type:
Trimmer
Parts Used:
Fuel Grommet - 13211546730
Carburetor Rb-K75 - A021000742
Fuel Return Tube - 13201056330
Fuel Line - V471001190
Repair Difficulty:
Medium
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers
Ran rough, would not accelerate.
Disconnected the old carb. Popped in the new carb and it ran like new. Thanks!
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1 of 2 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Fuel Grommet - 13211546730
Carburetor Rb-K75 - A021000742
Spark Plug - 15901019830
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Socket set
String Trimmer would start and then die. Would not stay running
1. Removed air cleaner cover and filter and removed the three fuel lines
2. Using slotted screwdriver removed two screws holding air filter base and carburetor from engine and removed carburetor.
3. Disconnected throttle cable from carburetor
4. Removed old carburetor gasket from engine
5. Put new gasket on engine
6. Attached throttle cable
7. Set new carburetor in place and set carburetor in place
8. Attached carburetor and filter base to engine using two screws previously removed
9. Reattached fuel lines
10. Replaced air filter and cover.
11. Started engine by pushing priming bulb several times and pulling starter cord approximately 6 times.

Engine now runs great.
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Tool Type:
Hedge Trimmer
Parts Used:
Carburetor Rb-K75 - A021000742
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Would not idle
1. Removed old carb
2. Put new one on
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0 of 1 people found this instruction helpful
Tool Type:
Hedge Trimmer
Parts Used:
Fuel Tank Assembly - A350000680
Carburetor Rb-K75 - A021000742
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Could not start the hedge trimmer. Gas tank was cracked
1. Removed gas lines from carburetor.
2. Removed gas tank by removing two screws holding it place,
3. Removed carburetor air filter.
4. Removed carburetor by removing two screws holding it to the engine.
5. Replaced gasket between carburetor and engine mounting block
6. Installed new carburetor.
7. Installed carburetor air filter
8. Installed new fuel and vent lines in new gas tank
9. Installed new gas tank on hedger and attached new gas lines to carburetor.
10. Added fuel to gas tank.
11. Required about eight pulls before engine started. Runs great
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Discussion
Discussion for Carburetor Rb-K75 - ( A021000742 )
Discussion is closed. To ask our experts a question about a part, use the Q&A feature.
Question: Carburetor Set Real Lean

ShotOut

Be aware my DIY'ers! The RB K75 is set lean, abut you can enrichen the mix. Under the fuel pump side of the carb (white primer) is a black plastic plug. Drill it out. Under that is the main mixture screw. Lightly seat it and then open it 1 to 1 1/4 turns. If your fuel pump diaphragm is good the machine will idle and accelerate good!
IMPORTANT The main mixture screw is surrounded in the carb body by a small brass sleeve. You can tap it or insert a self threading screw and pull it out. Be patient. With it removed, you will have FULL access to the slotted head on the main mixture screw. After final adjustment, you may want to weatherproof the screw inlet with a dab of silicone.
One this procedure is done, you CAN access the main mixture screw while the unit is running! It will be located in the curved recess in front of the White primer base..on that same side of the carburetor. You will fit the screwdriver through the purge bulb cover plate.
Question: Zama Carb Repair

jsgarrity

what is the correct number of turns to open idle adjusting and high speed adjusting screws Carb # Rb-K75
The idle adjusting screw (if present in this carb) is under the throttle cable housing cover on the carb. The High Speed adjusting screw is concealed in the carb body on the fuel pump side of the carb. That is under the white primer base. It will be in a recess covered with a black plug. The black plug CAN be removed to reveal a brass sleeve. Down inside the sleeve is the screw. It is advisable to tap the sleeve with a thread tap and pull it out to have full range of adjustment with the slot head main mixture screw. These carbs are set extemely lean and that is why they are falling on their face and people are running them with the choke (rich mix) on. Dont worry too much about the Idle mixture. If the main mixture is set right (about ONE turn out from lightly seated) and the teflon fuel pump is not ruined from ethanol, then it will idle and throttle up fine.
Reviews
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Average Rating (out of 5):
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  • Easy fix
    The part worked excellant, a little pricey as opposed to other sites, but it works.
    Dale - 15 days ago Verified Purchase
    Easy repair and worked great!
    Replaced the newly replaced cheap carburetor with this oem replacement one and the edger worked and ran great! Very happy with this purchase.
    Guest - 29 days ago Verified Purchase
    Better then New
    We took our echo trimmer to repair shop, He said “can’t fix junk it “ Got a second Opinion he told us about ereplacementparts.com .. Ordered by phone , Very helpful , got the right part .. the repair man put it on less then 10 min.. RUN FANTASTIC Thank You for Fast Friendly Services
    Guest - August 16, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: Echo, Shindaiwa
    Product Number: A021000742
    Classification: Part
    Weight: 0.26 lbs.
    Shipping: Ships Worldwide
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