Norton Commando Workshop Manual

## Technical Data

# A

|  | Noise level (measured at 7.5 metres distance and 1.2 metres above ground level):
|  |  | Without mute in muffler: 86 dBa With mute in muffler: 84 dBa
|  | Overall length of exhaust system (from flange at exhaust port end of pipe to tip of muffler: 60 in. (152.4 cm)
|  | Exhaust system maximum diameter: 3.5 in. (8.92 cm) Maximum theoretical road speed: 112.6 m.p.h. (181.111 K.p.h.) Standard engine Road speed at 1000 r.p.m. in gears (19t sprocket)
|  |  | Bottom: 6.28 m.p.h. (10.106 K.p.h.) Second: 9.46 m.p.h. (15.220 Kph) Third: 13.18 m.p.h. (21.211 Kph) Top: 16.09 m.p.h. (25.894 Kph)
|  | Total movement of front forks: 6 in. (15.2 cm) Turning circle (full circle): 17 ft.10 in. (518.16 cm) Gross vehicle rating: 859 lb. (389.6 Kg) Centre of gravity: 19 3/4 in. (501.65 mm) above ground unladen Seat height (nominal): 33 - 34 in. (838.2 - 863.6 mm) dependent on model

### SPECIAL WORKSHOP TOOLS

060934 Auto advance unit drawbolt extractor
060941 Engine sprocket (clutch hub and cam sprocket) puller
060949 Auto advance unit lock washer (for static timing)
060999 Clutch diaphragm spring tool
061015 Clutch lock tool (locks clutch body with plates removed)
061028 Rocker spindie extractor
ET2003 Crankshaft timing pinlon extractor
063964 Valve guide screw-type extractor and inserter
063965 Peg spanner (wrench) for wheel bearings and disc caliper
063966 Contact breaker seal drift
063967 Crankshaft-to-timing cover seal drift
063968 Exhaust lockring "C" spanner
063969 Valve seat cutting tool complete
063970 Roller bearing race extractor
063971 Front isolastic bush insertion tool complete
060942 Steering head adjustment spanner (Pre 1971)
061359 Contact breaker oil seal guide
NM12093 7/8 in. box spanner

|  | Note : A separate illustrated tool list be available shortly

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