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Home>Make: Norton>1972 Norton Commando 750>Gearbox>Gearbox, Mounting Bolts, Adjuster, Sprocket

1972 Norton Commando Gearbox, Mounting Bolts, Adjuster, Sprocket
1972 Norton Commando 750 Gearbox: Shell, Gear Cluster, Mounting Bolts, Adjuster and Countershaft Sprockets
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Plate # Part Name Part # Qty Fitted Description
1 Gearbox Shell 064126 1
2 Gearbox Drain Bolt 040138M 1 3/8" BSF, magnetic.
3 Gearbox Drain Bolt Washer 000200 1 3/8" fibre, fits standard and magnetic plugs.
4 Gearbox Quadrant & Cam Spindle Bush 040056 2 Ream after fitting.
5 Gearbox Inner Cover Stud 040064 2
6 Gearbox Inner Cover Stud 000271 5 Short.
7 Gearbox Cover Dowel 000577 2 Fits inner and outer.
8 Sleeve Gear Bearing 040098 1 RLS9 11/4", steel caged, shielded one side.
9 Sleeve Gear Bearing Oil Seal 040132 1 Rubber cased, this seals better.
10 Layshaft Bearing 040100 1 Ball, original type, unshielded.
11 Mainshaft 060384 1 With circlip groove.
12 Mainshaft 1st Gear 040026 1 14 teeth, splined.
13 Mainshaft 2nd Gear 040418 1 24 teeth, less bush.
14 Mainshaft 2nd Gear Bush 040048 1 It should slide in the gear, and yes, it should be loose.
15 Mainshaft 3rd Gear 040635 1 21 teeth, splined.
16 Sleeve Gear 065954 1 23 teeth, sleeve gear complete with bushes.
17 Sleeve Gear Bush 040062 2 Long.
18 Layshaft 066666 1 Later stronger type.
19 Layshaft 1st Gear 040115 1 28 teeth, complete with bush.
20 Layshaft 1st Gear Bush 040046 1 Press fit, ream after fitting.
21 Layshaft 2nd Gear 040019 1 24 teeth.
22 Layshaft 3rd Gear, 20T 040634 1 20 teeth, less bush.
23 Layshaft 3rd Gear Bush 040047 1 It should slide in the gear, and yes, it should be loose.
24 Layshaft 4th Gear, 18T 061058 1 18 teeth, splined, fits with 23T SL gear.
25 Quadrant & Cam Spindle O-Ring 040129 2
26 Quadrant & Cam Spindle Bolt 040136 2 Domed head.
27 Quadrant & Cam Spindle Washer 000174 2 5/16", large OD.
28 Gearbox Sprocket, 19T 040480 1 19 teeth.
28 Gearbox Sprocket, 20T 060931 AR 20 teeth.
28 Gearbox Sprocket, 21T 060721 AR 21 teeth.
28 Gearbox Sprocket, 22T 060759 AR 22 teeth.
28 Gearbox Sprocket, 23T 063420 AR 23 teeth.
28 Gearbox Sprocket, 24T 063421 AR 24 teeth.
29 Gearbox Sprocket Spacer 040131 1
30 Gearbox Sprocket Nut 040070 1 Left hand thread.
31 Gearbox Sprocket Nut Lock Washer 040076 1 For nut 040070.
32 Gearbox Sprocket Nut Lock Screw 000450 1
33 Gearbox Top Bolt 062653 1 Long, fits from right.
34 Gearbox Top Bolt Spacer 030023 1 On left hand.
35 Gearbox Top Bolt Nut 062656 1 Round.
36 Gearbox Pivot Stud 060597 1 Bottom mounting AMC gearbox.
37 Gearbox Pivot Stud Washer 602324 2 1/2" plain.
38 Gearbox Pivot Stud Nut 140305 2 1/2" UNF plain.
39 Gearbox Adjuster 062654C 1
40 Gearbox Adjuster Crosshead 062657 1 Square, for 062654C gearbox adjuster.
41 Gearbox Adjuster Crosshead Washer 602322 1 3/8" plain.
42 Gearbox Adjuster Crosshead Nut 141303 1 3/8" UNF Nyloc.
43 Gearbox Adjuster Nut 141902 2 5/16" UNF.