Key | Part Number | Description | Per | Models |
1 | | Primary inner cover | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
1 | | Crankcase | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
1 | | Crankcase | 1 | 1960-61 T20 & T20S (from engine no. 57617), 1960-61 T20SL & T20T, 1962-63 T20 & T20SS (up to engine no. 84269) |
1 | | Crankcase | 1 | 1962-63 T20 & T20SS (from engine no. 84269), 1962-63 T20SH |
1 | | Crankcase | 1 | 1964-66 T20, T20SS & T20SH |
1 | | Crankcase | 1 | 1965-68 T20SM & T20SH |
1 | | Crankcase | 1 | 1966-69 T20B |
2 | | Stud | 1 | 1960-69 All |
3 | | Oil junction block dowel | 1 | 1960-69 All |
4 | | Crankcase joint dowel | 1 | 1960-69 All (from engine no. 57617) |
5 | | Screw 1/4 CEI26 x 3/8 Pozidrive | 1 | 1962-69 All |
5 | | Oilway plug | 1 | 1960-61 All (from engine no. 57617) |
6 | | Washer, 1/4 fibre or copper | 1 | 1962-69 All |
7 | | Plug | 1 | 1960-69 All |
8 | | Sealing washer | 1 | 1960-69 All |
9 | | Cam bush | 1 | 1960-69 All |
10 | | Sump filter | 1 | 1960-64 All (from engine no. 57617) |
10 | | Oil filter plug, 11/16″ X 14TPI | 1 | 1965-69 All |
11 | | Washer oil filter 7/8x17mmx055 | 1 | 1960-69 All (from engine no. 57617) |
12 | | Case screw 1/4 x 11/16, hexagon with slotted head | 2 | 1960-61 T20 & T20S (up to engine no. 57616) |
12 | | Bolt, 5/16 BSF x 1-7/8 | 7 | 1960-69 All (from engine no. 57617) |
13 | | Plain washer | 9 | 1960-69 All (from engine no. 57617) |
14 | | Left outer cover | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
14 | | Left outer cover | 1 | 1960-69 All (from engine no. 57617) |
15 | | Dowel | 4 | 1960-69 All |
15 | | Front dowel | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
16 | | Left hand engine cover gasket | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
16 | | Gasket, primary case | 1 | 1960-63 All (from engine no. 57617) |
16 | | Chaincase gasket | 1 | 1964-69 All |
17 | | Screw, 1/4 CEI26 x 5/8 Pozidrive | 2 | 1960-61 T20 & T20S (up to engine no. 57616) |
17 | | Screw, 1/4 BSF x 1″ fillister, Pozidrive | 3 | 1960-61 T20 & T20S (up to engine no. 57616) |
17 | | Case screw 1/4 CEI x 1-1/2, Pozidrive | 2 | 1960-61 T20 & T20S (up to engine no. 57616) |
17 | | Screw, 1/4 BSF x 1″ fillister, Pozidrive | 7 | 1960-69 All (from engine no. 57617) |
18 | | Case screw 1/4 CEI26 x 1-3/4 | 4 | 1960-61 T20 & T20S (up to engine no. 57616) |
18 | | Cover screw | 4 | 1960-69 All (from engine no. 57617) |
19 | | Inspection cap – slotted | 1 | 1960-69 All |
20 | | Fibre washer | 1 | 1960-69 All |
21 | | Inner timing case | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
21 | | Right inner cover | 1 | 1960-61 T20 & T20S (from engine no. 57617), 1960-61 T20SL & T20T, 1962-63 T20 & T20SS (up to engine no. 84269) |
21 | | Gearbox inner cover | 1 | 1962-63 T20 & T20SS (from engine no. 84269), 1962-63 T20SH |
21 | | Inner timing case | 1 | 1964-69 All |
22 | | Camshaft bush | 1 | 1960-63 All |
22 | | Camshaft bush | 1 | 1964-69 All |
23 | | Peg | 1 | 1960-69 All |
24 | | Bush | 1 | 1960-69 All |
25 | | Breather pipe | 1 | 1962-69 All |
26 | | Case screw 2BA x 13/16 | 2 | 1960-63 All |
26 | | Case screw 2BA x 13/16 | 4 | 1964-69 All |
27 | | Case screw 2BA x 1-7/8 | 2 | 1960-69 All |
28 | | Timing outer cover | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
28 | | Right outer cover | 1 | 1960-63 All (from engine no. 57617) |
28 | | Right outer cover | 1 | 1964-69 All |
29 | | Gasket, timing cover | 1 | 1960-63 All |
29 | | Gasket, timing cover | 1 | 1964-69 All |
30 | | Case screw | 7 | 1960-69 All |
31 | | Gearbox plug | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
31 | | Gear box oil bung | 1 | 1960-69 All (from engine no. 57617) |
32 | | Gasket, oil pipe | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
32 | | Rocker pipe fibre washer, 5/8 x 7/8 x 1/16 | 1 | 1960-69 All (from engine no. 57617) |
33 | | Blanking plug | 1 | 1960-61 T20S (from engine no. 57617), 1960-61 T20SL & T20T, 1962-69 All (not 1962-64 T20) |
34 | | Level plug | 1 | 1960-69 All |
35 | | Fibre washer | 1 | 1960-69 All |
36 | | Bolt, 1/4 CEI26 x 1/4 | 1 | 1960-69 All |
37 | | Washer, 1/4 copper or fibre | 3 | 1960-69 All |
38 | | Bolt, 1/4x 1/2, dome head | 2 | 1960-69 All |
39 | | Disrtibutor plug | 1 | 1964-69 All |
40 | | Fibre washer | 1 | 1964-69 All |
41 | | Hollow dowel | 2 | 1964-69 All |
42 | | Case screw 2BA x 5/8 | 2 | 1964-69 All |
43 | | Cable access grommet | 1 | 1964-69 All |
44 | | Oil Seal 5/8, idler/kickstart | 1 | 1964-69 All |
45 | | Bolt, 5/16 BSF x 1-7/8 | 2 | 1960-69 All (from engine no. 57617) |
45 | | Bolt | 2 | 1966-69 T20B |
46 | | Dizzy clamp | 1 | 1960-63 All (from engine no. 57617) |
47 | | Screw, distributor clamp 2BA x 2-1/2 Phillips pan head | 1 | 1960-63 All (from engine no. 57617) |
48 | | Timing side main bush, standard | 1 | 1960-61 All (up to engine no. 69157) |
48 | | Main bush, right | 1 | 1960-61 T20 & T20S (from engine no. 57617), 1960-61 T20SL & T20T, 1962-63 T20 & T20SS (up to engine no. 84269) |
49 | | Peg | 1 | 1960-61 All, 1962-63 T20 & T20SS (up to engine no. 84269) |
50 | | Distributor shaft bush | 1 | 1960-61 All (from engine no. 57617) |
51 | | Oil scavenge pipe | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
52 | | Hex screw 2BA x 3/8 | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
53 | | Sump filter | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
54 | | Spring | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
55 | | Washer 1/4 x 15/32 x 1/64 | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
56 | | Rocker box cap | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
57 | | Cap washer | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
58 | | Screw, 1/4 BSF x 1″ fillister, Pozidrive | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
59 | | Washer, 1/4 fibre or copper | 2 | 1960-61 T20 & T20S (up to engine no. 57616) |
60 | | Domed nut | 2 | 1960-61 T20 & T20S (up to engine no. 57616) |
61 | | Bolt, 1/4x 1/2, dome head | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
62 | | Distributor clamp plate | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |
63 | | Washer, 1/4 | 1 | 1960-61 T20 & T20S (up to engine no. 57616) |