Dellorto Motorcycle Carburetor Parts Guide

UB PARTS LIST & DIAGRAM

Diag Part Diag Part
No. No. Description Sizes/options available No. No. Description Sizes/options available
1 4884 Slide 40, 45, 55, 60,  65 & 75 26 1491 Float chamber screw
2 1425 Needle C1, 2, 7, 8 & 9 27 5010 Spring washer
3 1485 Atomizer 260 & 265 28 1493 Circlip
3 6799 Atomizer F 29 1584 Float chamber top
3 8318 Atomizer Z 30 1452 Float needle clip
4 1486 Main jet 30 to 198, in steps of 1,2 & 3. Please ask 31 1414 Float bowl gasket
5 1488 Idle jet 30 to 70, Please ask. 32 2115 Mixture screw
6 1607 Float needle 33 1411 Mixture/stop screw spring
7 1423 Float 7.5gr 34 1532 Slide stop screw
7 2390 Float 6.5gr 35 1382 Fibre seal
8 3076 Float 5gr 36 2200 Float bowl
9 1427 Top ring 37 2086 Float chamber bolt
10 1481 Cable adjuster 38 3072 Single banjo, 45 degree
11 1692 Adjuster locknut 39 3581 Double banjo
12 1642 Carb. Top 40 1580 Float chamber screw
13 3570 Choke spring clip 41 3670 Float chamber top
14 1409 Slide spring 42 2835 Float pivot pin
15 1407 Needle clip 43 2838 Needle valve
16 8128 Clamp nut 44 3073 Float arm
17 8129 Manifold clamp 45 4225 Float bowl, 20 degree
18 8127 Clamp bolt 45 4889 Float bowl, 34 degree
19 4477 Manifold sleeve I/D 23mm 45 2087 Float bowl, 50 degree
19 6039 Manifold sleeve I/D 20mm 46 2063 Float bowl, 90 degree
20 1494 Banjo bolt 47 2329 Carb. Top
21 1416 Banjo bolt seal 48 1093 Choke spring
22 2706 Fuel banjo 49 2325 Choke slide
23 1419 Fuel filter 50 2993 Trumpet 55mm
24 1492 Float tickler 50 3339 Trumpet 41mm
25 1410 Float tickler spring