Allens Performance Ltd.

TM33-12 Data Set

Position Part Number Description
1 CW2=0410 Screw: Carb Top
2 TM29/16 Carburettor Top
3 TM29/17 Gasket: Carb Top
4 739-13001 Screw: Jet Needle Retainer
5 TM29/71 Retainer: Jet Needle
6 VM18/341 E-clip: Jet Needle
7 VM26/315 Washer: Jet Needle
8 J8-##### Jet Needle
9 832-38007-size Throttle Valve
10 TM29/62 Gasket: Carb Body
11 VM34/195 Hose: Vent
12 TM33/32a Carburettor Body: Rear
13 VM38/133 Screw: Carb Body
14 BS30/97-size Pilot Air Jet
15 BS30/97-size Main Air Jet
16 730-07008 Spring: Tickover Screw (TM33-12)
16a N110209 Spring: Tickover Screw (TM28-1)
17 TM33/38a Tickover Screw (TM33-12)
17aa N136038 Tickover Screw (TM28-1)
18 N189169 Holder: Tickover Screw
19 VM30/160 Pivot: Floats
20 859-34003 Floats
21 N133200-size Float Valve Assy
22 VM13/216 Screw: Retains Float Valve Assy
23 KV/10 O-ring: Float Valve Assy
24 VM18/233 Filter: Float Valve Assy
25 TM33/35 Baffle: Main Jet
26 VM38/106 Spacer: Main Jet
27 N100604-size Main Jet
28 VM28/486-size Pilot Jet
29 616-94012 Seal: Float Bowl
30 N133363 Drain Screw
31 TM29/12d Float Bowl
32 888-23043-1F Hose: Overflow
33 C2=0416 Screw: Float Bowl
34 C2=0414 Screw: Float Bowl
35 N124063 O-ring: Pump Nozzle
36 TM29/24-size Pump Nozzle
37 TM29/14 Seal: Pump Nozzle
38 N138192 Pilot Mixture Screw
39 N138187 Spring: Pilot Mixture Screw
40 VM12/33 Washer: Pilot Mixture Screw
41 N1333037 O-ring: Pilot Mixture Screw
42 888-25029-1E Hose: Vent
43 730-04003a Spring: Pump Piston
44 TM29/18 Piston: Pump
45 N150048 Dust Cover: Pump Rod
46 TM33/46 Pump Rod (TM33-12)
46a VM38/210 Pump Rod (TM28-1)
47 B30/397 Screw: Pump Rocker
48 VM38/212 Pump Rocker
49 TM33/47 Spring: Pump Rocker (TM33-12)
49a TM29/22 Spring: Pump Rocker (TM28-1)
50 N/A Carburettor Body: Front
51 C5=0510 Screw: Throttle Cable Bracket
52 TM33/33 Bracket: Throttle Cable (TM33-12)
52a VM38/197 Bracket: Throttle Cable (TM28-1)
53 TM33/37 Bellcrank/Rollpin/Throttle Shaft Assy (TM33-12)
53a TM29/34 Bellcrank/Rollpin/Throttle Shaft Assy (TM28-1)
54 TM24/21 Spring: Throttle Valve Return (TM33-12)
54a TM29/21 Spring: Throttle Valve Return (TM28-1)
55 B36/95 Thrust Washer: Lifting Arm
56 VM38/186 Lifting Arm
57 W4=05 Washer
58 VM28/230 Screw: Lifting Arm
59 VM33/49c Spring Clip: Throttle Valve Link
60 VM33/45 Throttle Valve Link
61 M10/56 Washer: Throttle Valve Link
62 BSW28/70 E-clip: Throttle Valve Link
63 B40I/10 Washer: Throttle Valve Link
64 TM33/49 Cold Start Assy (TM33-12)
64a TM29/31 Cold Start Assy (TM28-1)
65 N138198 O-ring: Cold Start Assy
66 784-24111-size Needle Jet (TM33-12)
66a 784-24008-size Needle Jet (TM28-1)

 

MOUNT TYPE Spigot MAIN JET N100604-Size 127.5
TICKOVER POSITION Top right PILOT JET VM28/486-Size 37.5
COLD START POSITION Left NEEDLE JET 784-241111-Size (640) P-8
COLD START TYPE Knob JET NEEDLE 5FP96 Clip groove #3
AIR SCREW POSITION STARTER JET Fixed
FLANGE PITCH (MM) PILOT AIR JET BS30/97-Size 1.1
CLAMP DIA (MM) PILOT MIXTURE SCREW N138192B 1 Turn out
FRONT SPIGOT DIAMETER (MM) 40 MAIN AIR JET BS30/97-Size 0.7
REAR SPIGOT DIAMETER (MM) 50 POWER JET
LENGTH (MM) 94 THROTTLE VALVE
HEIGHT OVER BORE CENTRELINE (MM) 117 FLOAT VALVE N133200-Size 2.0
HEIGHT UNDER BORE CENTRELINE (MM) 78 PUMP NOZZLE TM29/24-Size 0.35
FUEL INLET POSITION Left
FLOAT HEIGHT (MM) 14
FUEL SPIGOT (MM) 8