VM40-4 Carb Data Set (DISCONTINUED)
| MOUNT TYPE | Spigot | MAIN JET | 4/042-Size | 310 |
| TICKOVER POSITION | Left | PILOT JET | VM22/210-Size | 35 |
| COLD START POSITION | Left | NEEDLE JET | VM44/10 (224) | AA-5 |
| COLD START TYPE | Lever | JET NEEDLE | 7F7 | Clip groove #3 |
| AIR SCREW POSITION | Right | STARTER JET | Fixed | — |
| FLANGE PITCH (MM) | — | PILOT AIR JET | — | — |
| CLAMP DIA (MM) | — | PILOT AIR SCREW | VM20/214 | 1 Turns out |
| FRONT SPIGOT DIAMETER (MM) | 52 | MAIN AIR JET | BS30/97-Size | 0.5 |
| REAR SPIGOT DIAMETER (MM) | 70 | POWER JET | — | — |
| LENGTH (MM) | 116 | THROTTLE VALVE | VM44/23-Size | 2.5 |
| HEIGHT OVER BORE CENTRELINE (MM) | 100 | FLOAT VALVE | VM34/39-Size | 3.3 |
| HEIGHT UNDER BORE CENTRELINE (MM) | 94 | — | — | — |
| FUEL INLET POSITION | Left | — | — | — |
| FLOAT HEIGHT (MM) | 18 | — | — | — |
| FUEL SPIGOT (MM) | 8 |
| Position | Description | VM40-4 / VM44-3 |
| 1 | Dust Cover: Cable Adjuster | VM26/46 |
| 2 | Cable Adjuster | M21/14 |
| 3 | Locknut: Cable Adjuster | B30/247 |
| 4 | Carburettor Top | VM44/05 |
| 5 | Seal: Carburettor Top | VM36/06 |
| 6 | Spring: Throttle Return | VM44/13 |
| 7 | Retaining Plate: Jet Needle | VM44/09 |
| 8 | E Clip: Jet Needle | TM32/90 |
| 9 | Jet Needle | # |
| 10 | Throttle Valve | VM44/23-size |
| 11 | Needle Jet | VM44/10-size |
| 12 | Dust Cover: Cold Start Assy | VM20/455 |
| 13 | Retainer: Cold Start Assy | VM20/456 |
| 14 | Lever: Cold Start Assy | VM28/124 |
| 15 | Indexing Plate | VM32/17 |
| 16 | Spring: Cold Start Assy | VM16/42 |
| 17 | Plunger: Cold Start Assy | VM18/144 |
| 18 | Carburettor Body | N/A |
| 19 | Gasket: Float Bowl | VM36/20 |
| 20 | Float Bowl Baffle Plate | VM44/12 |
| 21 | Pilot Jet | VM22/210-size |
| 22 | Pivot: Float Arm | VM30/160 |
| 23 | Float Arm | VM36/15 |
| 24 | Float | VM24/236 |
| 25 | Float Bowl | VM44/04-size |
| 26 | Gasket: Float Bowl Drain Screw | VM28/134 |
| 27 | Float Bowl Drain Screw | VM28/133 |
| 28 | Main Air Jet | BS30/97-size |
| 29 | Pilot Air Screw | VM20/214 |
| 30 | Spring: Pilot Air Screw | M12F/46 |
| 31 | Spring: Tickover Screw | M20/11 |
| 32 | Tickover Screw | VM24/224 |
| 33 | Gasket: Float Valve Assy | B34/52-size |
| 34 | Float Valve Assy | VM34/39-size |
| 35 | Baffle: Main Jet | VM28/228 |
| 35a | N/A | |
| 36 | Main Jet | 4/042-size |
| 37 | Retainer: Vent Hose | VM28/79 |
| 38 | Screw: Float Bowl | CW2=0516 |