Old Britts, 850 Engine: crankcases, Filter, Breather, Tachometer Drive

850 Engine: crankcases, Filter, Breather, Tachometer Drive
Group 5

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Alternative Parts: If there is a Yes in the Alt column, click on the Yes to see the alternative parts.

We try to keep all information current, but regret that prices and availability are subject to change.
Last updated 11/11/08

Ref No. Part No. Description Qty. Req. Qty. on Hand Status Price Alt

1
064045
Crankcase Halves Assembled, 850cc 1 1 SO 1,278.91 No

2 NM11790 Pin, Dowel, Crankcase 2 6 - 3.91 Yes

3 062621 Pin, Dowel, Crankcase 2 4 - 5.96 No

4 063020 Bush, Cam, 1973/74 850 R.H. 1 5 - 21.71 No

5 063021 Bush, Cam, 850 & MK3, L.H. 1 5 - 21.64 No

6 064118 Superblend Roller Bearing, Crankshaft 2 5 - 127.77 Yes

7 NMT2187 Oilseal, Main Bearing 1 9 - 3.28 No

8 NMT2196A Crank or Countershaft Sprocket Shim, .003 1 18 - 1.93 Yes

9 063824 Stud, Stepped, 3/8x16 5/16X24 Cyl.base 4 19 - 4.79 Yes

10 062639 Stud, 3/8 x 16 x 24, Cylinder Base 1 14 - 3.28 Yes

11 063857 Washer, 5/16, Flat, Thick 4 28 - 1.21 Yes

12 NM24252 Washer, 3/8, Flat, Thick 6 29 - 1.07 Yes

13 062651 Cylinder Stud Nut, 3/8 x 24 1 13 - 3.66 Yes

14 063825 Nut, Cylinder Stud, 5/16 x 24, (Deep) 6 14 - 4.52 Yes

15 062664 Stud, 5/16 x 18 x 24 2 6 - 1.84 Yes

16 060348 Hex Nut, 5/16 x 24, Plated 2 154 - 0.22 Yes

17 062638 Grub Screw, Oil Stop 1 2 - 1.68 No

18 NM21287 Dowel, Hollow, Oil Junction Block 1 4 - 0.58 No

19 062663 Bolt, 5/16 x 24, 3 3/4", Crankcase 1 6 - 9.04 Yes

20 060348 Hex Nut, 5/16 x 24, Plated 1 154 - 0.22 Yes

21 062761 Crankcase Bolt, Short, 5/16 x 24, 1 3/8" 1 5 - 4.31 No

22 30859 Washer, 5/16" Flat, Plated 2 131 - 0.08 Yes

23 060348 Hex Nut, 5/16 x 24, Plated 1 154 - 0.22 Yes

24 062662 Crankcase Stud Front 1/4 x 20 x 28, 3 5/8" 1 2 - 1.34 Yes

25 NMT2221 Washer, 1/4", .5" O.D., Plated 1 13 - 1.30 Yes

26 26947 Hex Nut 1/4 x 28, Plated 1 160 - 0.16 Yes

27 064157 Crankcase Stud Rear, 3/8 x 16 x 24, 4" 1 3 - 6.73 No

28 016213 Washer, 3/8, Flat, Thick 1 29 - 1.07 Yes

29 060029 Hex Nut, 3/8 x 24, Plated 1 95 - 0.28 Yes

30 062685 TimingCover/Crankcase Screw, 1/4x20, 1 1/4 2 6 - 2.71 Yes

31 064188 Plug, Magnetic, Sump Drain, 3/8 x 16 1 4 - 9.83 Yes

32 062624 Washer, Sealing 1 26 - 0.38 No

33 061089 Tachometer Gear 1 2 - 73.87 No

34 062670 Screw, 1/4 x 20 2 5 - 2.89 Yes

35 061282 O-Ring, Tach Drive, Pre 75 1 12 - 0.49 No

36 061090 Tachdrive Housing, Commando 1 6 - 40.70 Yes

37 063056 Gasket, Tachdrive Housing 1 14 - 0.87 No

38 064200 Tube, Crankcase Breather 1 2 - 3.03 No

39 NM16945 Body, Sump Filter 1 2 - 31.83 Yes

40 NM16946 Screen, Sump Filter 1 5 - 9.13 Yes

41 NM16947 Washer, Flat, Sump Filter 1 4 - 0.83 Yes

42 NM16948 Circlip, Sump Filter 1 4 - 3.26 Yes

43 064153 Washer, Sealing, Sump Filter 1 12 - 1.97 No

NOT ILL 11-400019 Cylinder Fastener Kit, 850 Commando 1 4 - 49.02 Yes

NOT ILL 11-700003 Crankcase Stud Kit, 72 to 74 1 2 - 27.47 Yes

Replacement Parts

STATUS Codes: OO - On Order, SO - Special Order, OP - Out of Print, D - Dropped, BO - Back Ordered, NA - Not Available, U-Used. More Status Information

Old Britts Home Page…..Products, Ordering

Norton Commando, 1973/1974 850cc Listing

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Ref No.	Part No.	Description	Qty. Req.	Qty. on Hand	Status	Price	Alt
1	064045	Crankcase Halves Assembled, 850cc	1	1	SO	1,278.91	No
2	NM11790	Pin, Dowel, Crankcase	2	6	-	3.91	Yes
3	062621	Pin, Dowel, Crankcase	2	4	-	5.96	No
4	063020	Bush, Cam, 1973/74 850 R.H.	1	5	-	21.71	No
5	063021	Bush, Cam, 850 & MK3, L.H.	1	5	-	21.64	No
6	064118	Superblend Roller Bearing, Crankshaft	2	5	-	127.77	Yes
7	NMT2187	Oilseal, Main Bearing	1	9	-	3.28	No
8	NMT2196A	Crank or Countershaft Sprocket Shim, .003	1	18	-	1.93	Yes
9	063824	Stud, Stepped, 3/8x16 5/16X24 Cyl.base	4	19	-	4.79	Yes
10	062639	Stud, 3/8 x 16 x 24, Cylinder Base	1	14	-	3.28	Yes
11	063857	Washer, 5/16, Flat, Thick	4	28	-	1.21	Yes
12	NM24252	Washer, 3/8, Flat, Thick	6	29	-	1.07	Yes
13	062651	Cylinder Stud Nut, 3/8 x 24	1	13	-	3.66	Yes
14	063825	Nut, Cylinder Stud, 5/16 x 24, (Deep)	6	14	-	4.52	Yes
15	062664	Stud, 5/16 x 18 x 24	2	6	-	1.84	Yes
16	060348	Hex Nut, 5/16 x 24, Plated	2	154	-	0.22	Yes
17	062638	Grub Screw, Oil Stop	1	2	-	1.68	No
18	NM21287	Dowel, Hollow, Oil Junction Block	1	4	-	0.58	No
19	062663	Bolt, 5/16 x 24, 3 3/4", Crankcase	1	6	-	9.04	Yes
20	060348	Hex Nut, 5/16 x 24, Plated	1	154	-	0.22	Yes
21	062761	Crankcase Bolt, Short, 5/16 x 24, 1 3/8"	1	5	-	4.31	No
22	30859	Washer, 5/16" Flat, Plated	2	131	-	0.08	Yes
23	060348	Hex Nut, 5/16 x 24, Plated	1	154	-	0.22	Yes
24	062662	Crankcase Stud Front 1/4 x 20 x 28, 3 5/8"	1	2	-	1.34	Yes
25	NMT2221	Washer, 1/4", .5" O.D., Plated	1	13	-	1.30	Yes
26	26947	Hex Nut 1/4 x 28, Plated	1	160	-	0.16	Yes
27	064157	Crankcase Stud Rear, 3/8 x 16 x 24, 4"	1	3	-	6.73	No
28	016213	Washer, 3/8, Flat, Thick	1	29	-	1.07	Yes
29	060029	Hex Nut, 3/8 x 24, Plated	1	95	-	0.28	Yes
30	062685	TimingCover/Crankcase Screw, 1/4x20, 1 1/4	2	6	-	2.71	Yes
31	064188	Plug, Magnetic, Sump Drain, 3/8 x 16	1	4	-	9.83	Yes
32	062624	Washer, Sealing	1	26	-	0.38	No
33	061089	Tachometer Gear	1	2	-	73.87	No
34	062670	Screw, 1/4 x 20	2	5	-	2.89	Yes
35	061282	O-Ring, Tach Drive, Pre 75	1	12	-	0.49	No
36	061090	Tachdrive Housing, Commando	1	6	-	40.70	Yes
37	063056	Gasket, Tachdrive Housing	1	14	-	0.87	No
38	064200	Tube, Crankcase Breather	1	2	-	3.03	No
39	NM16945	Body, Sump Filter	1	2	-	31.83	Yes
40	NM16946	Screen, Sump Filter	1	5	-	9.13	Yes
41	NM16947	Washer, Flat, Sump Filter	1	4	-	0.83	Yes
42	NM16948	Circlip, Sump Filter	1	4	-	3.26	Yes
43	064153	Washer, Sealing, Sump Filter	1	12	-	1.97	No
NOT ILL	11-400019	Cylinder Fastener Kit, 850 Commando	1	4	-	49.02	Yes
NOT ILL	11-700003	Crankcase Stud Kit, 72 to 74	1	2	-	27.47	Yes