Allens Performance Ltd.

TM38-85/86 Data Set

# Description TM38-85/86
1 Cold Start Assy VM29/47
2 Thrust pad: Throttle Spring VM38/153
3 Screw: Needle Retainer CW2=0310
4 Retainer: Jet Needle VM38/152
5 E-Clip: Jet Needle VM18/341
6 Jet Needle #
7 Throttle Valve 832-43011-size
8 Tickover Pushrod (Top Idle) VM38/159
10 Screw: Throttle Valve Guide VM38/132
11 Washer: Throttle Valve Guide VM34/274
14 Pivot: Float Arm VM30/160
15 Float Arm VM36/15
16 Retainer: Float VM26/42
17 Pilot Jet VM22/210-size
18 Float VM24/236
19 Gasket: Float Bowl VM34/374
20 Float Bowl TM38/138
21 Retainer: Vent Hose VM34/103
22 Screw: Float Bowl CW2=0518
23 Gasket: Drain Screw VM28/254
24 Drain Screw VM28/253
25 Dust Cover: Tickover Screw VM35/40
26 Sealing Ring N138077
27 Nut: Tickover Pushrod N2=04
28 Tickover Screw 603-68001
29 Locknut: Tickover Screw BDC36/35
30 Dust Cover: Cable Adjuster VM18/228
31 Screw: Carburettor Top CW2=0412
32 Cable Adjuster VM36/83
33 Locknut: Cable Adjuster B30/247
34 Carburettor Top 776-19002
35 Gasket: Carburettor Top VM38/127
36 Spring: Throttle Valve Return 730-16003
37 Needle Jet 785-24001-size
38 Baffle: Main Jet VM34/454
39 Main Jet 4/042-size
40 O-ring: Float Valve Assy KV10
41 Float Valve Assy 786-46001-size
42 Retaining Plate: Float Valve Assy VM24/560
43 Screw: Retaining Plate C2=0406
44 Vent Hose 888-24001
45 Gasket: Carb Body VM36/166
48 ScrewL Carburettor Body CW2=0412
49 Pilot Air Screw VM24/622
50 Spring: Pilot Air Screw VM32/320
51 Washer: Pilot Air Screw VM12/33
52 O-ring: Pilot Air Screw N133037
53 Main Air Jet BS30/97-size
54 Vent Hose 888-23014
55 Starter Jet VM17/1002-size
56 Tickover Screw 603-16003
57 Spring: Tickover Screw VM24/556
58 O-Ring: Tickover screw???? BV32/04

 TM38-85

MOUNT TYPE Spigot MAIN JET 4/042-Size 230
TICKOVER POSITION Right PILOT JET VM22/210-Size 22.5
COLD START POSITION Left NEEDLE JET 785-24001-Size (389) Q-2
COLD START TYPE Knob JET NEEDLE 6FJ41 Clip groove #3
AIR SCREW POSITION Left STARTER JET VM17/1002-Size 40
FLANGE PITCH (MM) — PILOT AIR JET — —
CLAMP DIA (MM) — PILOT AIR SCREW VM24/622 1.5 Turns out
FRONT SPIGOT DIAMETER (MM) 47 MAIN AIR JET BS30/97-Size None Fitted
REAR SPIGOT DIAMETER (MM) 62 POWER JET — —
LENGTH (MM) 100 THROTTLE VALVE 832-43011-Size 4.0
HEIGHT OVER BORE CENTRELINE (MM) 100 FLOAT VALVE 786-46001-Size 3.5
HEIGHT UNDER BORE CENTRELINE (MM) 80 — — —
FUEL INLET POSITION Right — — —
FLOAT HEIGHT (MM) 18 — — —
BOSS FOR POWER JET NOZZLE TOP — — —
FUEL SPIGOT (MM) 8

TM38-86

MOUNT TYPE Spigot MAIN JET 4/042-Size 230
TICKOVER POSITION Right PILOT JET VM22/210-Size 22.5
COLD START POSITION Left NEEDLE JET 785-24001-Size (389) Q-2
COLD START TYPE Knob JET NEEDLE 6FJ41 Clip groove #3
AIR SCREW POSITION Left STARTER JET Fixed —
FLANGE PITCH (MM) — PILOT AIR JET — —
CLAMP DIA (MM) — PILOT AIR SCREW VM24/622 1.5 Turns out
FRONT SPIGOT DIAMETER (MM) 43 MAIN AIR JET Fixed —
REAR SPIGOT DIAMETER (MM) 62 POWER JET — —
LENGTH (MM) 100 THROTTLE VALVE 832-43011-Size 4.0
HEIGHT OVER BORE CENTRELINE (MM) 100 FLOAT VALVE 786-46001-Size 3.5
HEIGHT UNDER BORE CENTRELINE (MM) 80 — — —
FUEL INLET POSITION Right — — —
FLOAT HEIGHT (MM) 18 — — —
BOSS FOR POWER JET NOZZLE TOP — — —
FUEL SPIGOT (MM) 8