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Home>Make: Norton>1972 Norton Commando 750>Engine, Primary Drive & Clutch>Crankshaft, Conrods, Pistons, Cam, Timing Gear

1972 Norton Commando Crankshaft, Conrods, Pistons, Cam, Timing Gear
1972 Norton Commando 750 Engine: Crankshaft, Connecting Rods, Pistons, Camshaft, Timing Gear
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Plate # Part Name Part # Qty Fitted Description
1 Connecting Rod 064896 2 Billet type - much stronger.
2 Connecting Rod Big End Bolt 066486 4 3/8", forged, uses rolled threads.
3 Connecting Rod Self Locking Nut 067827 4 3/8" CEI.
4/5 Big End Shell Set, Standard 064285 1 Standard - 1.75". Set of 4.
4/5 Big End Shell Set, 010 064286 1 Oversize +0.010 - 1.74". Set of 4.
4/5 Big End Shell Set, 020 064287 1 Oversize +0.020 - 1.73". Set of 4.
4/5 Big End Shell Set, 030 064288 1 Oversize +0.030 - 1.72". Set of 4.
4/5 Big End Shell Set, 040 064289 1 Oversize +0.040 - 1.71". Set of 4.
6 Crankshaft, Assembled 063106 1
7 Crank-cheek, Timing Side NM23262 1 Not available.
8 Crank-cheek, Drive Side 060542 1 Not available.
9 Flywheel 060731 1 Balance after fitting.
10 Crankshaft Centre Dowell 067558 1 Fits through flywheel and cheeks.
11 Crankshaft Tab Washer 067534 2 Part of crankshaft studs and nuts kit - not sold separately.
12 Crankshaft Stud 064184 2 Part of crankshaft studs and nuts kit - not sold separately.
13 Crankshaft Stud Nut 064160 4 Part of crankshaft studs and nuts kit - not sold separately.
14 Crankshaft Bolt 064185 4 Part of crankshaft studs and nuts kit - not sold separately.
15 Crankshaft Bolt Nut 064189 2 Part of crankshaft studs and nuts kit - not sold separately.
16 Crankshaft Bolt Nut 067835 2 Part of crankshaft studs and nuts kit - not sold separately.
- Crankshaft Studs & Nuts Kit 067094 1 Stronger than bolts.
17 Crankshaft Oilway Screw 067600 1
18 Crankshaft Timing Pinion 067537 1 Half time pinion.
19 Crankshaft Timing Pinion Key 000572 1
20 Timing Pinion Back Plate 067525 1 Triangular, at rear of timing pinion.
21 Oil Pump Drive 067889 1
22 Camshaft, Standard 061084 1
23 Camshaft, Combat 063536 1 2S.
24 Thrust Washer 062601 -- For Combat. Not available.
25 Camshaft Thrust Washer 061086 2 Steel chamfered.
26 Intermediate Gear 061077 1 Complete with bush.
27 Intermediate Gear Bush 061079 1
28 Intermediate Gear Shaft 061078 1
29 Intermediate Gear Shaft Circlip 067690 1 At rear.
30 Camshaft Sprocket 061080 1
31 Camshaft Sprocket Key 000572 1
32 Camshaft Sprocket Nut 067774 1
33 Camshaft Drive Chain 067689 1 38 links.
34 Cam Chain Tensioner Slipper 061094 1
35 Cam Chain Tensioner Plate, Thin 067575 1 Inner plate, long end up.
36 Cam Chain Tensioner Plate, Thick 067576 1 Outer plate, short end up.
37 Cam Chain Tensioner Stud 062665 2 5/16 UNF.
38 CamChain Tensioner Washer 067700 2 5/16" serrated.
39 Cam Chain Tensioner Stud Nut 062692 2 5/16" UNF, small hexagon.
40/41 Piston Set, Standard 067055 1 Complete with circlip, rings and gudgeon pin, 9:1.
40/41 Piston Set, +20 (Hepolite) 067056 1 Complete with rings, gudgeon pins and circlips.
40/41 Piston Set, +40 (Hepolite) 067057 1 Complete with rings, gudgeon pins and circlips..
40/41 Piston Set, +60 067110 1 Complete with circlip, rings and gudgeon pin, 9:1.
40A/41A Piston, Complete, Combat 063348/9 1 For Combat engine. Not available.
42 Piston Ring Top 060952 2 For Combat engine. Not available.
43 Piston Ring Plain 062262 2 For Combat engine. Not available.
44 Piston Ring Scraper 062461 2 For Combat engine. Not available.
42-44 Piston Ring Set, Standard 067058 1 For both pistons.
42-44 Piston Ring Set, +10 067954 1 For both pistons, 73mm, 8.9-1.
42-44 Piston Ring Set, +20 067060 1 For both pistons.
42-44 Piston Ring Set, +30 067122 1 For both pistons.
42-44 Piston Ring Set, +40 067062 1 For both pistons.
42-44 Piston Ring Set, +60 067123 1 For both pistons.
45 Piston Gudgeon Pin 060955 2 Wrist pin.
46 PIston Gudgeon Pin Circlip 067834 2
47 Timing Side Bearing Washer 067526 1 Fits behind 067525 timing pinion back plate.
- Bottom End Rebuild Kit 084004 AR Includes main bearings, big end bolts, shells, chain, seals, studs, nuts, gaskets, etc.