Carburetor Specs
Note: Carburetor I.D. marks are on the front (Facing engine) of the channel for the choke mechanism.
| Model | I.D. Mark | Make | Type | Float
Level |
Fuel
Level |
Main Jet Size/Type | NeedleJet/Primary choke height | Jet Needle/Clip Position | Pilot Jet | Throttle Valve Cutaway | Air Screw (Turns out) |
| H1 w/o CDI | Mikuni VM28SC | Primary | 23.0-25.0mm | 29.0-31.0mm | #90 Reverse | #O-2 | #5EH7-3rd | #30 | #2.5 | 1 1/2 | |
| H1 w/CDI | KA1 | Mikuni VM28SC | Primary | 23.0-25.0mm | 29.0-31.0mm | #100 Reverse | #O-2 | #5GL3-3rd | #30 | #3.0 | 1 1/4. |
| H1A | KAE-1 | Mikuni VM28SC | Primary | 23.0-25.0mm | 29.0-31.0mm | #100 Reverse | #O-2 | #5GL3-3rd | #30 | #3.0 | 1 1/4 |
| H1B | KA4 | Mikuni VM28SC | Primary | 23.0-25.0mm | 29.0-31.0mm | #95 Reverse | #O-4/8mm #O-4 -Europe |
#5DJ19-4th | #30 | #2.0 #2.5 -Europe |
1
1/2 1 1/4 -Europe |
| H1C | KA5 | Mikuni VM28SC | Primary | 23.0-25.0mm | 29.0-31.0mm | #100 Reverse | #O-2 | #5GL3-3rd | #30 | #3.0 | 1 1/4 |
| H1D,E | KA6 | Mikuni VM28SC | Primary | 23.0-25.0mm | 29.0-31.0mm | #92.5 Reverse | #O-4/8mm | #5DJ19-4th | #30 | #2.0 | 1 1/4 |
| H1F | KA6 | Mikuni VM28SC | Primary | 23.0-25.0mm | 29.0-31.0mm | #90 Reverse | #O-4/8mm | #5DJ19-3rd | #30 | #2.0 | 1 1/2 |
| KH500 | KH5 | Mikuni VM28SC | Primary | 23.0-25.0mm | 29.0-31.0mm | #75 Reverse | #O-4/8mm | #5DJ19-3rd | #25 | #2.0 | 1 1/2 |