1975 Norton Commando Mk3 Crankcases, Breather, Tacho Drive

1975 Norton Commando 850 Mk3 Engine: Crankcases, Filter, Breather, Tachometer Drive

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Plate #	Part Name	Part #	Qty Fitted	Description
1	Crankcase Halves, Assembled	065666	1	Stronger than original.
2	Crankcase Dowel	067621	2	To locate timing cover.	View
3	Crankcase Dowel	062621	2	Hollow.	View
4	Camshaft Bush, Timing Side	065428	2		View
5	Camshaft Bush, Drive Side	065425	2	Plain.	View
6	Crankcase Blanking Plug	062638	1	In oil way.	View
7	Oil Junction Block Dowel	067786	1	Hollow.	View
8	Crankcase Screw	062685	2	1-1/4" long, timing side to drive side at sump.	View
9	Breather Tube	064200	1	Screw in.	View
10	Timing Plug	066006	1	Crankcase timing side.	View
11	Timing Plug Washer	066007	1	7/16" copper.	View
12	Main Bearing	064118	2	Superblend.	View
13	Main Bearing Oil Seal	067567	1	Rubber cased, seals better. Behind engine sprocket.	View
13	Main Bearing Oil Seal	067567M	1	Metal cased, not rubber, behind engine sprocket.	View
-	Oil Seal Kit	048023K	AR		View
14	Oil Seal Circlip	065245	1	Crankshaft drive side.	View
15	Main Bearing Shim	067569	AR	0.003" thick, fits inner race.	View
16	Cylinder Base Stud	063824	4	Stepped, 5/16" UNF.	View
17	Cylinder Base Stud, Front	062639	1	3/8" UNC base, 3/8" UNF top.	View
18	Cylinder Base Stud Washer	066499	4	5/16".	View
19	Cylinder Base Stud Washer	064147	4	3/8".	View
20	Cylinder Base Stud Nut	062651	1	3/8" UNF, short, at front centre.	View
21	Cylinder Base Stud Nut	063825	1	5/16" UNF, fits 063824 stud.	View
22	Washer	602321	2	5/16".	View
23	Bolt	140219	2	5/16" UNF x 1-1/2" long.	View
24	Crankcase Bolt	140125	1	5/16" UNF x 4", not through engine plates.	View
25	Oil Pump Stud Nut	140302	1	5/16" UNF.	View
26	Crankcase Bolt, Short	140218	1	5/16" UNF x 1-1/4" long.	View
27	Crankcase Bolt Washer	602348	1	5/16".	View
28	Crankcase Bolt Nut	140302	1	5/16" UNF.	View
29	Crankcase Stud, Top Front	062662	1		View
30	Crankcase Stud Washer	602320	1	1/4".	View
31	Crankcase Stud Nut	140301	1	1/4" UNF.	View
32	Crankcase Stud	064787	1	Top rear.	View
33	Crankcase Stud Washer	602322	1	3/8".	View
34	Crankcase Stud Nut	141303	1	3/8" UNF Nyloc.	View
35	Sump Plug, Magnetic	064188	1	3/8" UNC.	View
36	Sump Plug Washer	062624	1	3/8" copper.	View
37	Tachometer Worm Gear	065201	1	At front.	View
38	Tachometer Housing Screw	062670	2	1/4" UNC x 3/4" slotted, at front.	View
39	Tachometer Worm Gear O-Ring	065203	1	To suit 065201.	View
40	Tachometer Housing	065200	1	No lip seal fitted.	View
40	Tachometer Housing with Lip Seal	065200	1	With lip seal fitted.	View
41	Tachometer Housing Gasket	063056	1	At front.	View
42	Sump Filter Body	067676	1	Without hole.	View
42	Sump Filter Body Assembly, SS	067676ASS	1	Complete with internals, no drain hole, stainless steel.	View
43	Sump Filter Gauze	067677	1	Stainless steel.	View
444	Sump Filter Washer	067678	1	Retains 067677 gauze.	View
45	Sump Filter Internal Circlip	067679	1	To retain 067678 washer in sump filter.	View
46	Sump Filter Washer	067680	1	For large filter.	View

1975 Norton Commando Mk3 Contacts, Timing Cover, Oil Pump, Relief Valve

1975 Norton Commando Mk3 Clutch

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