Source-backed model reference · US

Janome Jem Gold 660 / Jem Gold needle size

The exact machine name and needle system determine fit. This page transcribes the cited manufacturer manual and keeps fabric use, insertion and specialty-needle notes together.

Fabric and size chart

• Light weight (Crepe de Chine, Voile, Lawn, Organdy, Georgette, Tricot) → 9 or 11
• Medium weight (Linens, Cotton, Pique, Serge, Double Knits, Percale) → 11 or 14; 50 Cotton → 14
• Heavy weight (Denim, Tweed, Gabardine, Coating, Drapery and Upholstery Fabric, Canvas) → 14 or 16
• Heavy weight with 30 Silk / 30 Cotton → 16
• Stretch, very fine fabrics and synthetics → blue tipped needle

Insert and replace

Insert the new needle into the needle clamp with the flat side to the rear; push it up as far as it goes and tighten the clamp screw clockwise.

Other manual notes

• The blue tipped needle effectively prevents skipped stitches.
• Standard accessories include Needles (stored in the extension table).

Manufacturer source

Janome Jem Gold 660 Instruction Book ↗

Source market: US (Janome America, janome.com) / English · Checked October 20, 2026. Verify the full model label, fabric and current manual before sewing.

Check another machine · Needle size chart