Home>Make: Norton>1971 Norton Commando 750>Engine, Primary Drive & Clutch>Crankshaft, Conrods, Pistons, Cam, Timing Gear

1971 Norton Commando Crankshaft, Conrods, Pistons, Cam, Timing Gear
1971 Norton Commando Crankshaft, Conrods, Pistons, Cam, Timing Gear - Classic Bike Spares
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Plate #Part NamePart #Qty FittedDescription
1Connecting Rod0648962Billet type - even stronger.
2Connecting Rod Big End Bolt06648643/8", forged and uses rolled threads.
3Connecting Rod Self Locking Nut06782743/8" CEI.
4/5Big End Shell Set, Standard0642851Standard - 1.75". Set of 4.
4/5Big End Shell Set, 0100642861Oversize +0.010 - 1.74". Set of 4.
4/5Big End Shell Set, 0200642871Oversize +0.020 - 1.73". Set of 4.
4/5Big End Shell Set, 0300642881Oversize +0.030 - 1.72". Set of 4.
4/5Big End Shell Set, 0400642891Oversize +0.040 - 1.71". Set of 4.
6Crankshaft, Assembled0605711
7Crank-cheek, Timing SideNM232621Not available.
8Crank-cheek, Drive Side0605421Not available.
9Flywheel0607311Balance after fitting.
10Dowell, Crankshaft Centre0675581Fits through flywheel and cheeks.
11Crankshaft Tab Washer0675342Part of crankshaft studs and nuts kit - not sold separately.
12Crankshaft Stud0641842Part of crankshaft studs and nuts kit - not sold separately.
13Crankshaft Stud Nut0641604Part of crankshaft studs and nuts kit - not sold separately.
14Crankshaft Bolt0641854Part of crankshaft studs and nuts kit - not sold separately.
15Crankshaft Bolt Nut0641892Part of crankshaft studs and nuts kit - not sold separately.
16Crankshaft Bolt Nut0678352Part of crankshaft studs and nuts kit - not sold separately.
-Crankshaft Studs & Nuts Kit067094K1Stronger than bolts.
17Crankshaft Oilway Screw0676001
18Crankshaft Timing Pinion0675371Half time pinion.
19Crankshaft Timing Pinion Key0005721
20Timing Pinion Back Plate0675251Triangular, at rear of timing pinion.
21Oil Pump Drive0678891
22Camshaft0610841
23Camshaft Thrust Washer0610861Steel chamfered.
24Intermediate Gear0610771Complete with bush.
25Intermediate Gear Bush0610791
26Intermediate Gear Shaft0610781
27Intermediate Gear Shaft Circlip0676901At rear.
28Camshaft Sprocket0610801
29Camshaft Sprocket Key0005721
30Camshaft Sprocket Nut0677741
31Camshaft Drive Chain067689138 links.
32Cam Chain Tensioner Slipper0610941
33Cam Chain Tensioner Plate, Thin0675751Inner plate, long end up.
34Cam Chain Tensioner Plate, Thick0675761Outer plate, short end up.
35Cam Chain Tensioner Stud06266525/16 UNF.
36CamChain Tensioner Washer06770025/16" serrated.
37Cam Chain Tensioner Stud Nut06269225/16" UNF, small hexagon.
38/39Piston Set, Standard0670551With circlip, rings and gudgeon pin.
38/39Piston Set, +20 O/S (Hepolite)0670561With rings, gudgeon pins and circlips.
38/39Piston Set, +40 O/S (Hepolite)0670571With rings, gudgeon pins and circlips.
38/39Piston Set, +60 Oversize0671101With circlip, rings and gudgeon pin.
40-42Piston Ring Set, Standard0670581For both pistons.
40-42Piston Ring Set, +100679541For both pistons.
40-42Piston Ring Set, +200670601For both pistons, 73mm, 8.9-1.
40-42Piston Ring Set, +300671221For both pistons, 73mm, 8.9-1.
40-42Piston Ring Set, +400670621For both pistons, 73mm, 8.9-1.
40-42Piston Ring Set, +600671231For both pistons, 73mm, 8.9-1.
43Piston Gudgeon Pin0609552Wrist pin.
44PIston Gudgeon Pin Circlip0678342
45Camshaft Breather Spring0675591
46Camshaft Breather Rotary Plate0020751
47Timing Side Bearing Washer0675261Fits behind timing pinion back plate.
-Bottom End Rebuild Kit084004ARIncludes main bearings, big end bolts, shells, chain, seals, studs, nuts, gaskets, etc.