Weber 40 DCNF 12 Diagram
Part No. 18950.060



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Fig. Qty Description Code   Fig. Qty Description Code
1 1 Carburettor Top Cover 31716.082   43 2 'O' Ring 55530.010
2 4 Stud 64955.007   44 1 Throttle Return Spring 47610.078
3 1 Top Cover Gasket 41705.029   45 1 Throttle Control Lever 45041.049
4 1 Choke Control Rod 61280.056   46 2 Idle Mixture Screw 64755.007
5 1 Split Pin 32610.006   47 2 Idle Mixture Screw Spring 47600.007
6 1 Float Spindle 52000.010   48 1 Throttle Stop Screw Ring 47600.007
7 1 Screw 64700.012   49 1 Throttle Stop Screw Spacer 12785.013
8 1 Needle Valve 'O' Ring 41535.015   50 1 Throttle Stop Screw 64625.014
9 1 Bush 12775.010   51 1 Starter Cover 32556.017
10 1 Needle Valve 79514.175   52 1 Choke Control Spindle 10085.009
11 2 Air Corrector Jet 77501.220   53 1 Cover 32556.016
12 1 Choke Control Lever 45096.020   54 1 Return Spring 47610.043
13 1 Lever 45096.019   55 1 Choke Lever 45025.089
14 1 Screw 64615.004   56 1 Spring Washer 55525.010
15 1 Pump Demand Valve 64290.014   57 1 Nut 34715.010
16 2 Emulsion Tube 61450.224   58 1 Filter Gauze 37000.016
17 1 Float 41015.015   59 2 Choke Cover Screw 64700.004
18 1 Pump Cover 32486.041   60 2 Washer 55510.038
22 1 Pump Jet 76215.045   61 2 Venturi (Choke Tube) 72129.320
23 2 Pump Jet 'O' Ring 41530.012   62 2 Auxiliary Venturi 71107.450
24 2 Main Jet 73405.125   63 2 Starter Jet 75605.075
25 2 Idle Jet 74405.050   64 2 Starter Valve 64330.008
26 2 Idle Jet 'O' Ring 41565.002   65 2 Starter Valve Spring 47600.139
27 2 Idle Jet Holder 52570.006   66 2 Spring Guide 12775.024
28 1 Pump Spring 47600.107   67 2 Spring Clip 10140.002
29 1 Pump Diaphragm 47407.050   68 1 Fuel Filter Inspection Cover 61002.010
30 4 Pump Cover Screw 64700.006   69 1 Fuel Filter Cover Gasket 41530.024
31 2 Throttle Spindle Nut 34710.003   70 1 Filter Washer 61060.001
32 2 Lock Washer 55520.004   71 1 Fuel Filter 37020.002
33 1 Bush 12750.032   72 4 Washer 55510.034
34 1 Pump Cam 14852.011   73 4 Top Cover Screw 64700.005
36 1 Throttle Spindle 10005.211   74 2 Air By-Pass Screw 64750.002
37 2 Throttle Valve 64005.020   75 2 Air By-Pass Screw Locking Nut 34705.001
38 4 Throttle Valve Screw 64520.027          
40 2 Roller Bearing 32650.001          
41 2 Bearing Cover 58000.017          
42 2 Spacer Bush 12750.053       Service Kit 92-1637-05

 

 

Original Specs 40 DCNF
Main Jets 125mm Emulsion Tubes F24
Air Corrector  Jets 220mm Venturis 32mm
Idle Jets .50mm   Aux Venturis 4.50mm
Pump Jet .45mm Needle Valve 1.75mm
Pump Exhaust Jet 100mm Float Measurement 50mm

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