Dellorto Motorcycle Carburetor Parts Guide

DRLA PARTS LIST & DIAGRAM

Diag Part Diag Part
No. No. Description Sizes/options available No. No. Description Sizes/options available
1 10527 DRLA36/40 Choke (Venturi) 26,28,30,31,32,33,34,36 43 6581 Spindle nut lock washer
1 10758 DRLA45 Choke 32,34,36,38,39 44 7537 Spring washer
1 11486 DRLA48 Choke 38,39,40,41,42 45 7490 Spindle bearing
2 10078 DRLA 40 Auxiliary venturi No longer available 46 10353 Retaining clip
2 10527 DRLA45 Auiliary venturi No longer available 47 10135 Nut
2 11487 DRLA48 Auxiliary venturi No longer available 48 7413 Choke return spring
3 7484 Main jet 85,90,95,100,102,105,108,110, 49 10252 Choke piston
3   110 to 190 in steps of 1, 190,192,195,198…210-240 in 5's 50 10137 Choke actuator cam
4 7644 Idle jet 32-82 in 1's 51 7062 Choke cable bolt
5 10927 Pump jet 30,33,35,38,40,42,45,48,50,55,60 52 10156 Return spring
6 3315 Starter jet 40-90 in 5`s 53 6850 Choke cable washer
7 9164 Main emulsion tube No's 1,2,3,4 54 10110 Drive link
8 7482 Starter emulsion tube No`s 1,2,3,4 55 6432 Choke cable nut
9 7485 Air corrector 80,90,100,110,115,120,125,130,135 56 10231 Cover plate
9 140,142.5-202.5 in 2.5`s 205-250. 57 9174 Set screw
9 10304 Tall air corrector jet 160,170,175,180,190,000 58 10140 Choke cable bolt
10 10305 Needle valve (metal) 150,170,200,225 59 7231 Choke washer
10 10375 Neddle valve turbo (viton) 150,170,200,225 cross drilled 60 10817 Choke lever
10 8649 Needle valve, viton tipped 250,270,300,350,400 cross drilled 61 10311 Choke cover
11 10133 Throttle butterfly DRLA 36   62 5011 Lock washer
11 7481 Throttle butterfly DRLA 40   63 4957 Lock washer
11 8010 Throttle butterfly DRLA 45   64 10253 Screw
11 8563 Throttle butterfly DRLA 48 65 2906 Nut
12 10090 Float 66 10928 Pump jet holder
13 10097 Fuel banjo, return 11mm bolt Carb details required. 67 6426 Pump jet holder fibre washer
13 12393 Fuel banjo, return 16mm bolt Carb details required. 68 10748 Pump jet Filter/spring
14 10132 11mm banjo bolt Carb details required. 69 6173 O ring
14 12390 16mm banjo bolt Carb details required. 70 7571 O ring
15 10134 11 mm banjo seal   71 10138 Manometer fitting
15 7662 16mm banjo bolt seal 72 8678 O ring
16 10096 Fuel banjo, double 11mm bolt 73 9926 Air bleed screw
17 1419 Fuel Filter 74 9663 Pump diaphragm spring
18 10570 Banjo bolt seal 75 10182 Pump diaphragm
19 6430 Top cover screw 76 10256 Pump cover plate
20 4957 Lock washer 77 5011 Lock washer
21 10066 Top cover Carb details required. 78 6429 Screw
22 10092 Top cover gasket 79 10315 Lock nut
23 6288 Needle seat sealing washer 80 10340 Retaining washer
24 10154 Float hinge screw 81 10332 Spring
25 8498 Retaining clip 82 10331 Sleeve
26 10339 Float hinge screw 83 8260 Retaining washer
27 10738 Idle jet holder 84 9336 Spring
28 7540 Sealing  O ring 85 10316 Pump rod
29 7542 Pump non- return valve 86 10686 Retaining clip
30 7513 Cap screw 87 9656 Mixture screw
31 10630 Top cover  stud 88 10153 Pump rod clamp
32 7636 Pump jet weight 89 7667 Pump rod clamp screw
33 6415 Pump jet ball bearing 90 8857 Progression blanking cap
34 7540 O ring 91 9754 Screw
35 9754 Throttle stop screw 92 6423 Lock nut
36 7958 Spindle end cover 93 7507 Venturi grub screw
37 10230 Linkage drive arm 94 10790 Butterfly spindle
38 10142 Step washer 95 6416 Throttle butterfly screw
39 10184 Throttle lever 96 10157 Return spring
40 10158 Throttle return spring 97 10183 Throttle lever
41 10130 Washer 98 10229 Throttle lever
42 6423 Spindle nut 99 52534 Gasket set
DHLASK Service kit ( 2 carbs)            40/45/48 {Viton needle valves, pump diaphragms}  
TURBOSK Turbo service kit (2 carbs)         40/45 {gasket pack,throttle return springs,filters}  
  Ram pipes (40 or 45/48) 14/20/30mm long  
8559 Standard ram pipe DHLA 45/48 48mm long  
8257 Standard ram pipe DHLA 40 43mm long  
STUDS Manifold studs  
NYLOCK Nylock nuts for studs  
STUDS Manifold studs  
NYLOCK Nylock nuts for studs