Major sparkplug product lineup

Motorcycle plugs

Compact head plug

Compact head plug

W27EMR-C

  • Plug with compact insulator head
  • φ14×L19×20.6
  • HONDA / SUZUKI
φ12 shroud plug

φ12 shroud plug

X24GP-U

  • φ12×L (19 + 3)×18
  • HONDA
φ12 ×19 mm plug

φ12 ×19 mm plug

X24EPR-U

  • φ12×L19×18
  • HONDA / SUZUKI / YAMAHA
φ10 plug with half-sized threads and stainless steel gasket

φ10 plug with half-sized threads and stainless steel gasket

U24FER9S

  • φ10×L (6.3 + 12.7)×16
  • HONDA
φ10 plug with half-sized threads

φ10 plug with half-sized threads

U27FER9

  • With its wider spark gap of 0.9 mm compared to conventional plugs (0.6 to 0.7 mm), this plug has improved ignitability.
  • φ10×L (6.3 + 12.7)×16
  • HONDA
φ10 double-electrode plug

φ10 double-electrode plug

U31ETR

  • With two ground electrodes, heat resistance is improved.
  • φ10×L19×16
  • KAWASAKI / SUZUKI
φ10 ×19 mm plug

φ10 ×19 mm plug

U27ESR-N

  • Increasing the projection length by 0.5 mm improves resistance to fouling.
  • φ10×L19×16
  • YAMAHA / KAWASAKI / SUZUKI
φ10 ×12.7 mm plug

φ10 ×12.7 mm plug

U20FSR-U

  • φ10×L12.7×16
  • HONDA / YAMAHA / SUZUKI
φ8 plug

φ8 plug

Y27FER-C

  • φ8×L (6.3 + 12.7)×13
  • HONDA

Actual products may differ from images shown.