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Juki MO-623 Serger Review

The Juki MO-623 is a model from Juki’s Garnet Line. This tiny gem of a machine is extremely user-friendly, ideal for beginners and experienced sewers.

It’s a quiet, smooth-running machine that consistently produces high-quality, high-speed sewing, seaming, and hemming.

Another benefit is its versatility, as it can make everything from exquisite formal clothes to sportswear utilizing any thread quality and a variety of fabrics, including sheers, knits, and denim.


  • Juki MO-623 has a stitching speed of up to 1,500 stitches per minute.
  • The heavy-duty knife may be readily detached for cutting.
  • The needle plate adapts to rolled hems in one moment.
  • The Juki MO-623 is a true portable serger machine weighing about 20 pounds.


  • The voltage on this machine is restricted to 110 volts, which necessitates using an adapter if used outside of the United States or Canada.
  • The warranties are far shorter than those offered by any other serger.

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Stitch Options

The 3-thread overlock, narrow overlock, rolled hem, and 2-thread overcast is among the stitches available on the Juki MO-623.

With the turn of a dial, the stitch length may be changed from 2.5mm to 4mm.


  • Dimensions: 10.6”(W) x 13.5”(H) x 11.5”(D)
  • Weight: 15 lbs
  • Stitch Width: 5.0 – 7.0 mm
  • Stitch Length: 2.0 – 4.0 mm
  • Speed: 1,500 Stitches per Minute
  • Threads: 1-Needle, 3-Thread
  • Color-Coded: Yes
  • Light: LED

Roll Hemming

This Juki model also has a convenient built-in rolled hem function that can be activated at the touch of a button.

This function removes the need to interrupt your job in the middle of a plate change or presser foot installation.

Easy Looper Threading

Threading this machine is simple because a color-coded route system for each thread makes it easy to slip the threads into the guides.

Using the control dials, fine-tuning, and maintaining thread tension is just as simple.

The thread guides will maintain the thread precisely where it belongs, even while the machine is working at full speed, and standard tension settings are marked for your convenience.

Extension Plate with Seam guides

This Juki also comes with a specifically designed seam guide, which eliminates any guessing regarding seam allowances.

An easy-to-reach control component on the outer cover may be changed to generate seams to your exact requirements.

Presser Foot Functions

While this serger type comes with one presser foot, it’s meant to be simple to operate and perform various functions, including overlock sewing, attaching elastic sequins, ribbon, or beads to a project, or adding extra ornamental stitching.

Adjustable Knife

This Juki serger’s heavy-duty knife system features a mechanism that allows you to swiftly and safely disengage and retract both the top and lower blades.

Furthermore, a separate drive controls this unique knife system, ensuring that it constantly produces smooth, uniform cuts on any type or thickness of cloth.


Compared to the warranties given by other serger manufacturers, the Juki MO-623’s warranty is less extensive.

The machine comes with a 5-year parts guarantee, a 2-year electric component warranty, and a 90-day labor warranty.

If this or other home serger models are used for commercial purposes, all warranties are instantly voided.

The Verdict

When it comes to adaptability, performance, and dependability, the Juki MO-623 is no slouch, allowing novices and professionals alike to hone their talents and stretch their creative muscles.

The MO-623 is useful for making fashion accessories, home décor items, and crafts and producing professional-quality clothing.

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