HomeMake: Norton1973-74 Norton Commando 750 & 850Engine, Primary Drive & ClutchCrankshaft, Conrods, Pistons, Cam, Timing Gear
| Plate # | Part Name | Part # | Qty Fitted | Description | Price | |
|---|---|---|---|---|---|---|
| 1 | Connecting Rod | 068021 | 2 | Billet type - even stronger. | ||
| 2 | Connecting Rod Big End Bolt | 066486 | 4 | 3/8", forged, and uses rolled threads. | $15.40 | View |
| 3 | Connecting Rod Self Locking Nut | 067827 | 4 | 3/8" CEI. | $14.00 | View |
| 4 | Big End Shell Set, Standard | 064285 | 1 | Standard - 1.75". Set of 4. | $121.00 | View |
| 4 | Big End Shell Set, 010 | 064286 | 1 | Oversize +10 - 1.74". Set of 4. | $95.00 | View |
| 4 | Big End Shell Set, 020 | 064287 | 1 | Oversize + 20 - 1.73". Set of 4. | $95.00 | View |
| 4 | Big End Shell Set, 030 | 064288 | 1 | Oversize +30 - 1.72". Set of 4. | $95.00 | View |
| 4 | Big End Shell Set, 040 | 064289 | 1 | Oversize +40 - 1.71". Set of 4. | $95.00 | View |
| 5 | Crankshaft, 850 | 064254 | 1 | |||
| 6 | Crankshaft, 750 | 063106 | 1 | |||
| 7 | Crank-cheek, Timing Side, 750 | NM23262 | 1 | Not available. | ||
| 8 | Crank-cheek, Drive Side, 750 | 060542 | 1 | Not available. | ||
| 9 | Flywheel, 750 | 060731 | 1 | Balance after fitting. | ||
| 10 | Dowell, Crankshaft Centre | 067558 | 1 | Fits through flywheel and cheeks. | $18.00 | View |
| 11 | Crankshaft Tab Washer | 067534 | 2 | Part of crankshaft studs and nuts kit - not sold separately. | ||
| 12 | Crankshaft Stud | 064184 | 4 | Part of crankshaft studs and nuts kit - not sold separately. | ||
| 13 | Crankshaft Stud Nut | 064160 | 8 | Part of crankshaft studs and nuts kit - not sold separately. | ||
| 14 | Crankshaft Stud | 064185 | 2 | Part of crankshaft studs and nuts kit - not sold separately. | ||
| 15 | Crankshaft Stud Nut | 064189 | 4 | Part of crankshaft studs and nuts kit - not sold separately. | ||
| - | Crankshaft Studs & Nuts Kit | 067094 | 1 | Stronger than bolts. | $120.97 | View |
| 16 | Crankshaft Oilway Screw | 067600 | 1 | $2.30 | View | |
| 17 | Crankshaft Timing Pinion | 067537 | 1 | Half time pinion. | $121.00 | View |
| 18 | Crankshaft Timing Pinion Key | 000572 | 1 | $1.90 | View | |
| 19 | Timing Pinion Back Plate | 067525 | 1 | Triangular, at rear of timing pinion. | $8.70 | View |
| 20 | Oil Pump Drive | 067889 | 1 | 6 start. | Original price was: $199.00.$170.50Current price is: $170.50. | View |
| 21 | Camshaft, Standard | 061084 | 1 | |||
| 21 | Camshaft, 2S | 063536 | 1 | Has more power at the top end at the expense of bottom end torque. | ||
| 21 | Camshaft, 4S | 064858 | 1 | More midrange power than the 2S, for sports road use and road racing. | $395.00 | View |
| 22 | Camshaft Thrust Washer | 061086 | 1 | Steel chamfered. | $21.00 | View |
| 23 | Intermediate Gear | 061077 | 1 | Complete with bush. | $253.00 | View |
| 24 | Intermediate Gear Bush | 061079 | 1 | $26.00 | View | |
| 25 | Intermediate Gear Shaft | 061078 | 1 | $74.00 | View | |
| 26 | Intermediate Gear Shaft Circlip | 067690 | 1 | At rear. | $1.71 | View |
| 27 | Camshaft Sprocket | 061080 | 1 | $99.00 | View | |
| 28 | Camshaft Sprocket Key | 000572 | 1 | $1.90 | View | |
| 29 | Camshaft Sprocket Nut | 067774 | 1 | $12.30 | View | |
| 30 | Camshaft Drive Chain | 067689 | 1 | 38 link. | $36.00 | View |
| 31 | Cam Chain Tensioner Slipper | 061094 | 1 | $85.00 | View | |
| 32 | Cam Chain Tensioner Plate, Thin | 067575 | 1 | Inner plate, long end up. | $6.70 | View |
| 33 | Cam Chain Tensioner Plate, Thick | 067576 | 1 | Outer plate, short end up. | $6.50 | View |
| 34 | Cam Chain Tensioner Stud | 062665 | 2 | 5/16 UNF. | $2.15 | View |
| 35 | CamChain Tensioner Washer | 067700 | 2 | 5/16" serrated. | $0.65 | View |
| 36 | Cam Chain Tensioner Stud Nut | 062692 | 2 | 5/16" UNF, small hexagon. | $3.85 | View |
| 37/38 | Piston Set, 750, Standard | 067055 | 1 | Complete with circlip, piston rings and gudgeon pin, 9:1. | $259.00 | View |
| 37/38 | Piston Set, 750, +20 Oversize (Hepolite) | 067056 | 1 | Complete with rings, gudgeon pins and circlips. | $259.00 | View |
| 37/38 | Piston Set, 750, +40 Oversize (Hepolite) | 067057 | 1 | Complete with rings, gudgeon pins and circlips, 73mm, 8.9-1. | $259.00 | View |
| 37/38 | Piston Set, 750, +60 Oversize | 067110 | 1 | Complete with circlip, piston rings and gudgeon pin, 9:1. | $259.00 | View |
| 39 | Piston Set, 850, Standard | 063838 | 1 | Complete with circlip, piston rings and gudgeon pin, 9:1. | $259.00 | View |
| 39 | Piston Set, 850, +20 Oversize (Hepolite) | 064041 | 1 | Complete with rings, gudgeon pins and circlips. | $259.00 | View |
| 39 | Piston Set, 850, +40 Oversize (Hepolite) | 064042 | 1 | Complete with rings, gudgeon pins and circlips. | $259.00 | View |
| 39 | Piston Set, 850, +60 Oversize (Hepolite) | 064043 | 1 | Complete with circlip, piston rings and gudgeon pin. | $259.00 | View |
| 40 | Piston Ring Set, 750, Standard (Hepolite) | 067058 | 1 | For both pistons, 73mm. | $129.00 | View |
| 40 | Piston Ring Set, 750, +10 (Hepolite) | 067954 | 1 | For both pistons, 73mm.. | ||
| 40 | Piston Ring Set, 750, +20 (Hepolite) | 067060 | 1 | Hepolite, for both pistons, 73mm. | $129.00 | View |
| 40 | Piston Ring Set, 750, +30 | 067122 | 1 | For both pistons, 73mm, compression ratio 8.9-1. | ||
| 40 | Piston Ring Set, 750, +40 (Hepolite) | 067062 | 1 | Hepolite, for both pistons, 73mm. | $129.00 | View |
| 40 | Piston Ring Set, 750, +60 | 067123 | 1 | For both pistons, 73mm. | ||
| 41 | Piston Ring Set, 850, Standard | 067958 | 1 | For both pistons, 77mm. | $129.00 | View |
| 41 | Piston Ring Set, 850, +20 | 067960 | 1 | For both pistons, 77mm. | $129.00 | View |
| 41 | Piston Ring Set, 850, +40 | 026730 | 1 | For both pistons, 77mm. | $119.00 | View |
| 42 | Piston Gudgeon Pin, 850 | 063842 | 2 | Wrist pin. | $23.00 | View |
| 43 | Piston Gudgeon Pin, 750 | 060955 | 2 | Wrist pin. | $29.00 | View |
| 44 | PIston Wrist Pin Circlip | 067834 | 2 | $0.95 | View | |
| 45 | Timing Side Bearing Washer | 067526 | 1 | Fits behind 067525 back plate. | $13.00 | View |
| - | Bottom End Rebuild Kit | 084004 | 1 | Includes main bearings, big end bolts, shells, chain, seals, studs, nuts, gaskets, etc. |
