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Home>Make: Norton>1975 Norton Commando 850 Mk3>Gearbox>Gearbox, Sprocket, Mounting Bolts

1975 Norton Commando Mk3 Gearbox, Sprocket, Mounting Bolts
1975 Norton Commando 850 Mk3 Gearbox: Shell, Gear Cluster, Sprocket, Mounting Bolt
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Plate # Part Name Part # Qty Fitted Description
1 Gearbox Shell 065207 1
2 Gearbox Drain Bolt 040138M 1 3/8" BSF, magnetic.
3 Gearbox Drain Bolt Washer 000200 1 3/8" fibre.
4 Washer 602322 1 3/8" plain.
5 Gearbox Cam Spindle Bush 040056 1 Ream after fitting.
6 Gearbox Quadrant Bush 065209 1
7 Gearbox Inner Cover Stud 040064 2
8 Gearbox Inner Cover Stud 000271 5 Short.
9 Gearbox Cover Dowel 000577 2 Fits inner and outer.
10 Sleeve Gear Bearing 040098 1 RLS9 1-1/4", steel caged, shielded one side.
11 Sleeve Gear Bearing Oil Seal 040132 1 Rubber cased, this seals better.
12 Layshaft Bearing 040100 1 Ball, original type, unshielded.
13 Mainshaft 060384 1 With circlip groove.
14 Mainshaft 1st Gear 040026 1 14 teeth, splined.
15 Mainshaft 2nd Gear 064640 1 18 teeth, less bush.
16 Mainshaft 2nd Gear Bush 040048 1 It should slide in the gear, and yes, it should be loose.
17 Mainshaft 3rd Gear 040635 1 21 teeth, splined.
18 Mainshaft 4th Gear 065954 1 23 teeth, sleeve gear complete with bushes.
19 Sleeve Gear Bush 066203 2 Long.
20 Sleeve Gear Bush Circlip 064989 2
21 Layshaft 066666 1 Stronger type.
22 Layshaft 1st Gear 040115 1 28 teeth, complete with bush.
23 Layshaft 1st Gear Bush 040046 1 Press fit, ream after fitting.
24 Layshaft 2nd Gear 064639 1 23 teeth.
25 Layshaft 3rd Gear, 20T 040634 1 20 teeth, less bush.
26 Layshaft 3rd Gear Bush 040047 1 It should slide in the gear, and yes, it should be loose.
27 Layshaft 4th Gear, 18T 061058 1 18 teeth, splined, fits with 23 teeth SL gear.
28 Quadrant & Cam Spindle O-Ring 040129 3
- Quadrant & Cam Spindle Shim 068094 1 For o-ring.
29 Quadrant & Cam Spindle Bolt 040136 1 Domed head.
30 Quadrant & Cam Spindle Washer 000174 1 5/16", large OD.
31 Gearbox Sprocket, 19T 040480 1 19 teeth, chain pitch 5/8" x 3/8".
32 Gearbox Sprocket, 20T 060931 AR 20 teeth, chain pitch 5/8" x 3/8".
33 Gearbox Sprocket, 21T 060721 AR 21 teeth, chain pitch 5/8" x 3/8".
34 Gearbox Sprocket, 22T 060759 AR 22 teeth, chain pitch 5/8" x 3/8".
35 Gearbox Sprocket, 23T 063420 AR 23 teeth, chain pitch 5/8" x 3/8".
36 Gearbox Sprocket, 24T 063421 AR 24 teeth, chain pitch 5/8" x 3/8".
37 Gearbox Sprocket Spacer 040131 1
38 Gearbox Sprocket Nut 040070 1 Left hand thread.
39 Gearbox Sprocket Nut Lock Washer 040076 1 For nut 040070.
40 Gearbox Sprocket Nut Lock Screw 000450 1
41 Gearbox Top Bolt 064697 1 Short, fits from right.
42 Gearbox Top Bolt Washer 000013 1 9/16" thin.
43 Gearbox Top Bolt Spacer 030023 1 On left hand side.
44 Gearbox Top Bolt Nut 064730 1 For top bolt.
45 Gearbox Pivot Stud 060597 1 Bottom mounting AMC gearbox.
46 Gearbox Pivot Stud Washer 602324 2 1/2" plain.
47 Gearbox Pivot Stud Nut 140305 2 1/2" UNF plain.
48 Neutral Indicator Switch 065390 1
49 Locknut 140403 1 3/8" UNF thin.
50 Sealing Ring 066364 1 Drain bolt seal, Dowty with rubber seal.