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  12 757 01-S Kit: Carb Repair (gravity Feed

Kit: Carb Repair (gravity Feed 12 757 01-S

OEM part for: Kohler, MTD

Part Number: 12 757 01-S


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Kit: Carb Repair (gravity Feed - 12 757 01-S:KohlerKit: Carb Repair (gravity Feed - 12 757 01-S:Kohler
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Medium 1-2 hours (6 rated repairs)?
OEM: Original Equipment Manufacturer ?
KohlerMTD

Product Description ?

  • Classification: Part
  • Weight: 0.03 lbs.
  • Shipping: Ships Worldwide

Compatibility

This Kit: Carb Repair (gravity Feed will fit the following 714 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.

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This item works with the following types of products:

  • Lawn Mower Parts
  • Engine Parts

This part replaces obsolete part #: KH-12-757-01

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  • Easy repair
    Easy to order, fast delivery, my lawnmower is back to it's best.
    Guest - April 20, 2019 Verified Purchase

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    Customer Repair Instructions ?

    All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

    Medium 1-2 hours (6 rated repairs)?

    Surging Engine with stalling, unusable

    Reid - June 11, 2018
    👍 1 of 1 people found this instruction helpful
    Tool Type

    Engine

    Difficulty

    Easy

    Time

    30-60 minutes

    Tools Used

    Screwdriver, Pliers, Socket set, Adjustable Wrench

    1. Disconnect battery. Positive and negative both for safety. Socket set.
    2. Disconnect push terminal wire from fuel shut off solenoid on bottom of carburetor. Pull by hand.
    3. Remove hose clamps from breather tube. Pliers.
    4. Remove breather tube. Pull by hand.
    5. You may remove the air filter housing lid, wing nut, gasket and air filter to aid in removal and install of carburetor. I did not for this procedure.
    6. Remove hose clamps from fuel hose on right side of carburetor going into the metal fuel line. Pliers.
    7. Carefully twist the fuel hose to break it free from the carburetor and metal fuel line. By hand. (if really stuck, use pliers that fit well around the hose and carefully apply light pressure while turning the fuel hose with the pliers.) It should break free using this method. Take extreme caution or have new fuel line ready to replace.
    8. Remove the two mounting nuts securing the air cleaner box AND carburetor in place. Take care as there is a small washer and lock washer for the carburetor ground wire on the right side stud.
    9. Gently pull the air cleaner and separate from the carburetor, set aside.
    10. Make sure the throttle is in the full choke position, then carefully slide the carburetor off the studs. The throttle and choke cables will still be connected.
    11. Carefully tilt the carburetor to remove the throttle and choke cables one at a time.
    12. Carburetor removed. Clean all gasket surfaces extremely well. Both sides of the carburetor, the engine intake to carburetor surface and the air cleaner to carburetor surface. On the metal surfaces, very light pressure with a scotch bright pad should do the trick. A little carburetor cleaner may help. Use your fingernail or a plastic scraper to remove excess gasket material from non-metal surfaces.
    13. Disassemble carburetor by using an adjustable wrench, removing the fuel shut off solenoid. Take care here as fuel will likely leak from the carburetor.
    14. Using a small razor blade and extreme care, scrape the excess gasket material from the ring type gasket area at the base of the threads on the fuel shut off solenoid. DO NOT scrape towards yourself as you could injure yourself or gouge the sealing surface. Install new gasket and rubber stop onto fuel shutoff solenoid. Set aside.
    15. Twist the float bowl by hand to release it from the carburetor.
    16. Clean the bowl thoroughly with carburetor cleaner and wipe away any excess debris. Set aside.
    17. Carefully remove the float retaining pin by tapping one end very lightly with a small tool and use needle nose pliers from the other end to pull it out. Set it aside. Carefully remove the float and needle valve together. Set aside the old needle valve. Clean the float and make sure there is zero liquid inside of it and no signs of cracks or holes. It MUST float. Set aside.
    18. Saturate the insides of the carburetor with carburetor cleaner. Using a very fine wire(bread tie in my case), run the wire through the tiny jets and ports in the carburetor. IF you have a straw, some times you can force the carburetor cleaner through the small orifices with the concentrated jet from the cleaner. Once satisfied that all orifices have been cleaned, saturate once more with carburetor cleaner to rinse out any left over debris. Ensure the throttle and choke plates operate fully by opening and closing.
    19. Clean old float bowl gasket material from carburetor.
    20. Install new needle into float.
    21. Holding carburetor upside down, install float assembly into carburetor. Carefully press in the retaining pin by hand.
    22. Still holding carburetor upside down, set the float bowl gasket into place on the carburetor followed by the float bowl.
    23. Using the fuel shutoff solenoid with new gasket and new rubber stop, begin threading it into the hole in the bottom of the float bowl. Tighten finger tight. Then very carefully tighten to specified torque or until a snug resistance is felt. DO NOT over tighten! This could cause severe damage to the carburetor and require the entire carburetor to be replaced. Small tools are best!
    24. Install new gasket for carburetor to intake/engine.
    25. Carefully install the throttle and choke linkages into the carburetor.
    26. Slide the carburetor onto the studs, while working it into place, insert and clamp the fuel hose, connecting the carburetor to the metal fuel inlet line.
    27. Install carburetor to air cleaner gasket on to studs.
    28. Install air cleaner box onto studs. (reinstall remaining air cleaner components if removed in earlier steps.)
    29. Install the ground wire, washer, and lock washer.
    30. Install the mounting nuts. Finger tight. Torque to spec.
    31. Install new breather tube with clamps.
    32. Install push terminal wire onto bottom of fuel shutoff solenoid.
    32. Remove governor spring by positioning the throttle to a position with little/least resistance on the spring. Use pliers to carefully pry it out and then again use the pliers to install the new spring.
    33. Ensure all work is complete and fittings are tight. Check for fuel leaks.
    34. Reconnect positive and negative battery terminals.
    35. Start and enjoy! It will take a few moments longer than usual to start after disconnecting the fuel line and draining the carburetor.
    For me, it started up in just a few moments of cranking and is now running extremely well! No surging, no popping or backfires, no stalling. Works well in all throttle positions. Starts right up with little to no effort. Job well done!

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    Engine unable to start

    Gerald - May 14, 2024
    Tool Type

    Lawn Tractor

    Difficulty

    Medium

    Time

    More than 2 hours

    Tools Used

    Screwdriver, Pliers, Socket set, Wrench Set

    Cleaned carburetor and replaced float valve
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    Gas leaking out of carburetor.

    Gary - May 28, 2020
    Tool Type

    Lawn Tractor

    Difficulty

    Easy

    Time

    1-2 hours

    Tools Used

    Pliers, Socket set, Wrench Set, Air compressor and carb cleaner

    1. Shut off fuel inlet valve.
    2. Remove air cleaner housing and fuel hose.
    3. Remove carburetor from mounting studs.
    4. Disconnect choke rod, throttle rod, ground wire and backfire solenoid wire.
    5. Rrmove heat shield and gasket.
    6. Clean exterior of carb with carb cleaner.
    7. Remove backfire solenoid and fuel bowl.
    8. Remove float and needle valve.
    9. Remove old gaskets and clean interior and passage ways with carb cleaner and compressed air.
    10. Reassemble carb with new parts in the rebuild kit.
    11. Assemble in reverse order and check for leaks.
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    Lawn mower would not start.

    Russell - September 22, 2019
    Tool Type

    Lawn Mower

    Difficulty

    Medium

    Time

    30-60 minutes

    Tools Used

    Screwdriver, Pliers, Socket set

    Removed carb from mower then cleaned outside of carb with carb cleaner. Disassembled carb according to u tube videos. Cleaned inside carb and all fuel ports and blew out with compressed air. Removed old o rings, gaskets, and needle and seat and replaced with new from carb kit. Reassembled and started.mower.
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    Losing fuel through the carburetor.

    Dennis - June 24, 2019
    Tool Type

    Lawn Mower

    Difficulty

    Easy

    Time

    30-60 minutes

    Tools Used

    Screwdriver, Pliers, Knife to cleanly remove aged gaskets.

    1. Pulled the carburetor.
    2. Ordered replacements parts.
    a. Carb Repair Kit.
    b. Inlet Needle
    3. Received parts and installed on my carburetor.
    4. Installed carburetor and filter housing back on the Kohler engine.
    5. Fueled up the mower and had it running in 35 minutes.
    6. No more fuel leaking from the carburetor.
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    Lawn mower would not start

    Rhonda - May 6, 2017
    Tool Type

    Lawn Tractor

    Difficulty

    Medium

    Time

    1-2 hours

    Tools Used

    Pliers, Socket set, Wire brush and carb cleaner

    Removed the carb.
    Cleaned carb and replaced parts.
    Reinstalled carb
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    Thanks for voting and helping fellow customers!

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    All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.

    All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.

    Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.

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