Allens Performance Ltd.

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
Exploded Diagram Mikuni VM44-3
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