Juki MO-623 Overlock Machine Review

Juki MO-623 Overlock Machine

Part of Juki’s Garnet Line offerings, the Juki MO-623 is a compact, user-friendly sewing machine that is just as perfect for professional sewists as it is for beginners.

Quiet, smooth,
and fast, you can be assured of high-quality stitching, hemming, and seaming with this Juki machine.

Add to that its versatility that lets you effortlessly and smoothly maneuver through a range of fabrics and projects, and we have a winner!

Features of the Juki MO-623 Overlock Machine

The Juki MO-623 comes with a range of features that are basic enough for beginners but won’t make advanced users feel like it’s too simple a machine. The features are also highly versatile, easily accommodating different types of fabrics, ranging from stretches to knits to weaves, and different projects, whether sportswear, formal wear, or even home decor and crafts!

A Variety of Stitch Options

The Juki MO-623 is equipped with a variety of built-in stitches, including rolled hem, 2-thread overcast, 3-thread overlock, and narrow overlock stitches. Additionally, you can adjust the length of the stitch with just the touch of a dial; the standard stitch length is 2.5 mm, which can go up to 4 mm.

Roll Hemming

To ensure perfect rolled hems, the Juki MO-623 offers a built-in rolled hem feature that only takes the flipping of a switch to operate. This eliminates the need to stop in the middle of your project to install a new presser foot or change a plate.

Juki MO-623 Adjustment OptionsEasy Looper Threading

Thanks to the machine’s built-in looper threader, you no longer have to squint your eyes or spend long minutes trying to thread the looper! The Juki MO-623 is equipped with an in-built path system that’s color-coded for each thread, letting you easily slip them into the guides.

Additionally, you can even maintain the thread tension or fine-tune it easily, using a designated dial. The thread guides keep your thread in place, even when the machine is operating at its highest speed.

Adjustable Knife

A relatively unique feature, both the upper and lower knives on the Juki MO-623’s heavy-duty knife system can be safely and quickly disengaged and retracted; the specialized knife system has a dedicated drive controlling it, which guarantees even and smooth cuts regardless of the type and thickness of the fabric used.

Presser Foot Functions

The Juki MO-623 comes with only one presser foot; however, it’s multi-functional and versatile, letting you easily add elastic, sequins, beads, ribbons, extra decorative stitching, and overlock stitching.

Seam Guides on the Extension Plate

The Juki MO-623 has a specially designed seam guide that does away with second-guessing your seam allowances. The easy-to-reach controller on the outer cover can be adjusted, letting you create precise seams as desired.


  • A stitching speed of 1,500 stitches per minute that lets you quickly and easily complete projects, all the while maintaining high-quality stitching and finishes.
  • With the adjustable knife, you can make clean and large cuts on any fabric; additionally, it’s removable, which means you can take it off whenever you don’t require it.
  • The in-built rolled hem feature eliminates the need to change components in the middle of your stitching, letting you maintain your flow and concentration.
  • Highly affordable price.
  • Well built.
  • Even, high-quality stitches at all speeds and on all fabrics.
  • Easy threading and setup, saving you a lot of time and letting you get to your project quickly.


  • At 20 pounds, the MO-623 isn’t as portable as some of Juki’s other offerings.
  • With a voltage of only 110 volts, using the MO-623 outside the United States and Canada will require an adapter.
  • The warranties offered (2 years on electrical components, 5 years on other parts, and 90 days on repairs) aren’t as great as warranties offered by other brands (such as 25 years on Brother products).


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The Juki MO-623 will give you high-quality projects that any high-street fashion brand would be proud to display, ranging from home decor to crafts to fashion accessories to clothes — the Juki MO-623 can do it all! Whether you’re a beginner or an expert, the Juki MO-623 is a sewing machine you’d be proud to own, any day!

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