Kei-Hin O-Rings | Mikuni O-Rings |

Various O-Rings Specific to Kei-Hin Carbs

  • The o-rings below are all Kei-Hin sizes, but we added the dimensions so you can determine if they may work for other uses on different brand carbs
  • Made of Viton® Rubber for specific fuel related uses
  • Sizes are given in I.D. (Inside diameter) x Thickness
  • All parts sold each
  • Sorry..dimes not included :) They are shown for size reference.

Viton Fuel O-Ring
OR-4601
(2.8mm x 1.9mm)








0.80 Each


Viton Fuel O-Ring
OR-4602
(5.7mm x 1.3mm)








1.00 Each


Viton Fuel O-Ring
OR-4603
(4.47mm x 1.78mm)








1.25 Each


Viton Fuel O-Ring
OR-4604
(3.2mm x 1.1mm)








1.00 Each


Viton Fuel O-Ring
OR-4609
(4.2mm x 1.1mm)








1.00 Each


Viton Fuel O-Ring
OR-4613
(5.0mm x 1.3mm)








1.00 Each


Viton Fuel O-Ring
OR-4617
(2.8mm x 1.3mm)








0.80 Each


Viton Fuel O-Ring
OR-4619
(2.8mm x 1.2mm)








0.80 Each


Viton Fuel O-Ring
OR-4622
(5.8mm x 1.9mm)








0.80 Each


Viton Fuel O-Ring
OR-4623
(6.9mm x 1.3mm)








1.00 Each


Viton Fuel O-Ring
OR-4624
(4.8mm x 1.9mm)








1.00 Each


Viton Fuel O-Ring
OR-4642
(U-Ring Oval)








1.09 Each


Viton Fuel O-Ring
OR-4643
(U-Ring 2mm x 3mm x 5.2mm)








1.49 Each


Viton Fuel O-Ring
OR-4644
(U-Ring 4mm x 6.3mm x 2mm)








1.49 Each


Viton Fuel O-Ring
OR-4645
(U-Ring 6.5mm x 9.5mm x 3mm)








1.59 Each


Various O-Rings Specific to Mikuni Carbs

  • The o-rings below are all Mikuni sizes, but we added the dimensions so you can determine if they may work for other uses on different brand carbs
  • Made of Viton® Rubber for specific fuel related uses
  • Sizes are given in I.D. (Inside diameter) x Thickness
  • All parts sold each
  • Sorry..dimes not included :) They are shown for size reference.

Viton Fuel O-Ring
OR-4630
(4.0mm x 1.0 mm)








0.50 Each


Viton Fuel O-Ring
OR-4631
(7.5mm x 1.5 mm)








0.50 Each


Viton Fuel O-Ring
OR-4632
(3.0mm x 1.0 mm)








0.50 Each


Viton Fuel O-Ring
OR-4602
(5.7mm x 1.3 mm)








0.50 Each


Viton Fuel O-Ring
OR-4634
(3.7mm x 1.8 mm)








0.50 Each


Viton Fuel O-Ring
OR-4635
(4.8mm x 1.9 mm)








0.50 Each


Viton Fuel O-Ring
OR-4636
(2.4mm x 1.6 mm)








0.50 Each


Viton Fuel O-Ring
OR-4637
(10.2mm x 1.4 mm)








0.60 Each


Viton Fuel O-Ring
OR-4638
(6.6mm x 1.5 mm)








0.50 Each


Viton Fuel O-Ring
OR-4639
(2.7mm x 2.0 mm)








0.50 Each