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Home>Make: Norton>1973-74 Norton Commando 750 & 850>Engine, Primary Drive & Clutch>750 Crankcases, Breather, Tacho Drive

1973-74 Norton Commando 750 Crankcases, Breather, Tacho Drive
1973-74 Norton Commando 750 Crankcases, Breather, Tacho Drive -
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Plate #Part NamePart #Qty FittedDescription
1Crankcase Halves Assembled0640451
2Crankcase Dowel0676212To locate timing cover.
3Crankcase Dowel0626212Hollow.
4Camshaft Bush0626002
5Main Bearing0641182
6Main Bearing Oil Seal0675671Rubber cased, seals better. Behind engine sprocket.
6Main Bearing Oil Seal067567M1Metal cased, not rubber, behind engine sprocket.
7Main Bearing Shim06756910.003" thick, fits inner race.
8Cylinder Base Stud06263963/8" UNC base, 3/8" UNF top.
9Cylinder Stud, Stepped06264023/8" UNC base, 5/16" UNF top.
10Cylinder Stud, Front06264113/8" UNF
11Cylinder Stud Washer60232125/16" plain.
12Cylinder Base Stud Washer06414773/8", thick type, small diameter.
13Cylinder Base Nut06265025/16" UNF, fits 062640 stud.
14Cylinder Base Stud Nut06265113/8" UNF, short, at front centre.
15Cylinder Stud Nut06265263/8" UNF.
16Oil Pump Stud0626642
17Oil Pump Stud Nut14030225/16" UNF plain.
18Crankcase Blanking Plug0626381In oil way.
19Oil Junction Block Dowel0677861Hollow.
20Crankcase Bolt, Long14012515/16" UNF x 4", not through engine plates.
21Crankcase Bolt Nut14030215/16" UNF plain.
22Crankcase Bolt, Short14021815/16" UNF x 1-1/4" long.
23Crankcase Bolt Washer60234825/16", large diameter.
24Crankcase Bolt Nut14030215/16" UNF plain.
25Crankcase Stud, Top Front0626621
26Crankcase Stud Washer60232011/4" plain.
27Crankcase Stud Nut14030313/8" UNF.
28Crankcase Stud, Top Rear0626611
29Crankcase Stud Washer0162131Thick, 3/8", large diameter.
30Crankcase Stud Nut14130313/8" UNF Nyloc.
31Crankcase Screw06268521-1/4" long, timing side to drive side at sump.
32Sump Plug, Magnetic06418813/8" UNC.
33Sump Plug Washer0626241Copper sealing.
34Tachometer Worm Gear0610891Early type, no o-ring groove.
35Tachometer Housing Screws06267021/4" UNC x 3/4", at front, slotted.
36Tachometer Worm Gear O-Ring0612821
37Tachometer Housing0610901Standard type.
37Tachometer Housing0672541Complete with proper lip seal fitted.
38Tachometer Housing Gasket0630561At front.
39Breather Body0626201Not available.
40Breather Body Cap0626141
41Crankcase Breather Gasket0626181
42Crankcase Breather Separator Filter0626151
43Crankcase Breather Retainer Disc0631162Retains filter foam.
45Crankcase Breather O-Ring0604481
46Crankcase Breather Tab Washer0634182
-Crankcase Fitting Kit, SS062661ASARStainless steel.
-Oil Seal Kit048023KAR