1973-74 Norton Commando 850 Crankcases, Breather, Tacho Drive
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| Plate # | Part Name | Part # | Qty Fitted | Description | |
|---|---|---|---|---|---|
| 1 | Crankcase Halves, Assembled | 064045 | 1 | View | |
| 2 | Crankcase Dowel | 067621 | 2 | To locate timing cover. | View |
| 3 | Crankcase Dowel | 062621 | 2 | Hollow. | View |
| 4 | Camshaft Bush, Timing Side | 063020 | 1 | With lip. | View |
| 5 | Camshaft Bush, Drive Side | 063021 | 1 | No lip. | View |
| 6 | Main Bearing | 064118 | 2 | . | View |
| 7 | Main Bearing Oil Seal | 067567 | 1 | Rubber cased, seals better. Behind engine sprocket. | View |
| 7 | Main Bearing Oil Seal | 067567M | 1 | Metal cased, not rubber, behind engine sprocket. | View |
| 8 | Main Bearing Shim | 067569 | 1 | 0.003" thick, fits inner race. | View |
| 9 | Cylinder Base Stud | 063824 | 4 | Stepped, 5/16" UNF. | View |
| 10 | Cylinder Base Stud, Front | 062639 | 1 | 3/8" UNC base, 3/8" UNF top. | View |
| 11 | Cylinder Base Stud Washer | 063857 | 4 | 5/16" extra thick. | View |
| 12 | Cylinder Base Stud Washer | 064147 | 1 | 3/8", thick, small OD. | View |
| 13 | Cylinder Base Stud Nut | 062651 | 1 | 3/8" UNF, short, at front centre. | View |
| 14 | Cylinder Base Stud Nut | 063825 | 4 | 5/16" UNF, fits 063824 stud. | View |
| 15 | Oil Pump Stud | 062664 | 2 | View | |
| 16 | Oil Pump Stud Nut | 140302 | 2 | 5/16" UNF plain. | View |
| 17 | Crankcase Blanking Plug | 062638 | 1 | In oil way. | View |
| 18 | Oil Junction Block Dowel | 067786 | 1 | Hollow. | View |
| 19 | Crankcase Bolt, Long | 140125 | 1 | 5/16" UNF x 4", not through engine plates. | View |
| 20 | Crankcase Bolt Nut | 140302 | 1 | 5/16" UNF plain. | View |
| 21 | Crankcase Bolt, Short | 140218 | 1 | 5/16" UNF x 1-1/4" long. | View |
| 22 | Crankcase Bolt Washer | 602348 | 2 | 5/16" large diameter. | View |
| 23 | Crankcase Bolt Nut | 140302 | 1 | 5/16" UNF plain. | View |
| 24 | Crankcase Stud, Top Front | 062662 | 1 | 1/4" x 1-1/4" long. | View |
| 25 | Crankcase Stud Washer | 067577 | 1 | 1/4" plain. | View |
| 26 | Crankcase Stud Nut | 26947 | 1 | 1/4" UNF. | View |
| 27 | Crankcase Stud, Top Rear | 064157 | 1 | View | |
| 28 | Crankcase Stud Washer | 016213 | 1 | 3/8" thick, large diameter. | View |
| 29 | Crankcase Stud Nut | 141303 | 1 | 3/8" UNF Nyloc | View |
| 30 | Crankcase Screw | 062685 | 2 | 1-1/4" long, timing side to drive side at sump. | View |
| 31 | Sump Plug, Magnetic | 064188 | 1 | 3/8" UNC, magnetic. | View |
| 32 | Sump Plug Washer | 062624 | 1 | 3/8" copper. | View |
| 33 | Tachometer Worm Gear | 061089 | 1 | Early type, no o-ring groove. | View |
| 34 | Tachometer Housing Screw | 062670 | 2 | 1/4" UNC x 3/4", at front, slotted. | View |
| 35 | Tachometer Worm Gear O-Ring | 061282 | 1 | View | |
| 36 | Tachometer Housing | 067254 | 1 | Complete with proper lip seal fitted. | View |
| 37 | Tachometer Housing Gasket | 063056 | 1 | At front. | View |
| 38 | Breather Tube | 064200 | 1 | Screw in. | View |
| 39 | Sump Filter Body | 067676 | 1 | Without hole. | View |
| 39 | Sump Filter Body Assembly | 067676AS | 1 | Complete with internals, no drain hole, stainless steel. | View |
| 40 | Sump Filter Gauze | 067677 | 1 | Stainless steel. | View |
| 41 | Sump Filter Washer | 067678 | 1 | Retains 067677 gauze. | View |
| 42 | Sump Filter Internal Circlip | 067679 | 1 | To retain 067678 washer in sump filter. | View |
| 43 | Sump Filter Washer | 067680 | 1 | For large filter. | View |
| - | Oil Seal Kit | 048023K | AR | View |
