Randakk’s Master Carb Overhaul Kit® for Honda GL1000 Parts Location Graphic

Note: The graphic for this Tech Tip is provided courtesy of Tom Thomas of Austell, GA.

My GL1000 carb video goes into great detail on the placement of these bits, but the nice graphic below  provided by Tom Thomas is a handy quick reference.

GL1000 Location Diagram

Thanks Tom!

Honda GL1000 O-ring sizes :

  • Fuel (idle) mixture screw – 2.8 x 1.9 mm
  • Float valve assembly – (seat) – 5.7 x 1.3 mm
  • Float bowl drain screw – 4.47 x 1.78 mm
  • Primary main jet – 3.2 x 1.1 mm
  • Secondary main jet – 4.2 x 1.1 mm
  • Large carb-to-plenum (air) O-ring – 60.0 x 2.1 mm (this one looks “square” on the Honda parts diagram)
  • Intake manifold – 40.0 x 2.6 mm

All Randakk’s Master Carb Overhaul Kits® contain Viton® orings exclusively.


  1. Kenneth Cunningham says:

    Very helpful graphic. I did have to learn the hard way that you don’t want to roll the fuel idle mixture screw O ring into place. I broke two before I figured out that was the wrong way to do it. As it was quite cold in my shop when I did the carbs I did find it helped to soak the idle screw O rings in hot water – it seemed to give them a little more stretch allowing me to ease them into their groove. Thanks again for your kindness in supplying replacement O rings, especially as the breakage came out of my bad technique, not the quality of materials supplied in your Master Carb Overhaul Kit.

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