Originally compiled and maintained by Les (L.A.B.) for Access Norton.
This resource brings together the Norton Commando technical information, reference material and useful links that Les collected and maintained for Access Norton members over many years.
International Thread Standards
Specifications and information covering ISO, Unified, Whitworth, pipe and other thread standards.
International Thread Standards
Thread Data Charts
Thread Data Charts
Norton Service Tool Catalogue
Norton Service Tool Catalogue PDF
British Motorcycle Fastener Database & Model Identification
British Motorcycle Fastener Database
Norton / AMC Fastener & Thread Identification by Part Number
Fastener Sizes by Part Number Chart
British Fastener Specifications
British Fastener Specifications
Spanner / Wrench Size Charts
Spanner Jaw Size Chart
Tool, Nut, Bolt and Spanner Conversion Charts
Old Britts Technical Articles
A large archive of Norton technical articles covering engines, gearboxes, clutches, electrical systems, frames, brakes, wheels, carburettors, tools and maintenance.
Old Britts Technical Articles
Baxter Cycle Norton Parts Books
Online Norton parts books covering many models and years, including Commando models.
Baxter Cycle Norton Parts Books
ClassicBike.biz
Triumph and Norton repair manuals, parts lists, brochures and other period literature.
ClassicBike.biz
1968–1970 Norton Commando Parts List
1968–1970 Commando Parts List – Direct Download
1968–1970 Commando Parts List – Information Page
Norton 850 Commando Mk3 Workshop Manual
850 Mk3 Workshop Manual PDF
AP Lockheed Brake Service Manual
AP Lockheed Hydraulic Brake Service Manual PDF
Downloadable Degree Wheel
Useful for engine and camshaft timing work.
Downloadable Degree Wheel PDF
Norton Commando Main Bearings / "Superblend"
Summary table provided by Andy Heathwood (DevonNorton):
Commando Main Bearings Summary Table
A detailed summary of data and information on Norton Commando main bearings by Andy Heathwood:
Norton Commando Main Bearings PDF
Access Norton's Norton Commando engine oil testing and technical information:
Access Norton Norton Commando Oil Tests
Norton Commando Wiring Diagrams
Grant Tiller Norton Commando Wiring Diagrams
Lucas Alternator Charging / Output Check
Information covering Lucas alternator wiring, stator testing, rotor testing and output checks.
Lucas Alternator Charging / Output Information PDF
Boyer Bransden Ignition Fault Finding
Boyer Bransden Fault Finding
Phoenix S.U. Carb Conversion Instructions
Donated to Access Norton by member cliffa.
The original documents are contained in the attachments on Les's original Technical Information thread.
View Original Thread and Attachments
AMAL Carb Tuning Information by John Healy
AMAL Carburettor Tuning Information
AMAL Mk2 Carburettor Manual
AMAL Mk2 Carburettor Manual PDF
AMAL Technical Information
AMAL Technical Information
AMAL Carburetters & Parts
AMAL Carburetter Company
AMAL Mk1 Concentric Tuning
AMAL Mk1 Concentric Tuning Guide
David Comeau's Atlantic Green Technical Services contains extensive Norton technical information covering engines, gearboxes, clutches, oil systems, Isolastics, forks, wheels, brakes, electrical systems, ignition, carburettors, frames and model-specific information.
Atlantic Green Norton Technical Information
The following dates are an approximate indication of when each model was generally available and should not be regarded as exact factory production beginning or end dates.
750cc
Original Commando — 4/68–3/69
750 R — 3/69–9/69
750 S — 3/69–6/70
Fastback — 3/69–8/70
Fastback II — 9/70–12/70
Fastback III — 1/71–12/71
Fastback IV — 1/72–3/73
Fastback LR (Long Range) — 4/71–12/71
Fastback LR MkIV — 1/72–2/73
Roadster — 3/70–12/70
Roadster II — 1/71–12/71
(No MkIII Roadster, apparently!)
Roadster IV — 1/72–2/73
Roadster V — 3/73–10/73
SS (Street Scrambler) — 3/71–10/71
PR (Production Racer) — 4/71–10/73
Hi-Rider — 5/71–12/71
Hi-Rider IV — 1/72–2/73
Hi-Rider V — 3/73–10/73
Interstate — 1/72–2/73
Interstate V — 3/73–10/73
850cc
Roadster 1 — 3/73–12/73
Roadster 1A — 9/73–2/74
Roadster 2 / 2A — 1/74–2/75
Roadster 3 — 2/75–9/77
Interstate 1 — 3/73–12/73
Interstate 1A — 9/73–2/74
Interstate 2 / 2A — 1/74–2/75
Interstate 3 — 2/75–9/77
Hi-Rider 1 — 3/73–12/73
Hi-Rider 2 — 1/74–2/75
Hi-Rider 3 — 3/75–?
John Player Replica — 11/73–2/75
Motorcycle = Motorbike
Plug wire = HT (High Tension) lead
Rim lock = Security bolt
Wrench = Spanner
Fender = Mudguard
Triple tree = Yoke
Ground = Earth
Fork tube = Stanchion
Gear shift = Gear change
Muffler = Silencer
Gasoline = Petrol
Petcock = Petrol / fuel tap
Wrist pin = Gudgeon pin
Zerk fitting = Grease nipple
Lifters = Tappets
Counterclockwise = Anticlockwise
Bushing / bushings = Bush / bushes
Snap ring = Circlip
Footpeg = Footrest
Transmission = Gearbox
License plate = Number plate
Kerosene = Paraffin
Axle = Spindle
Denatured alcohol = Methylated spirit / "meths"
High beam = Main beam
Low beam = Dipped / dip beam
Blinkers / flashers / turn signals = Direction indicators
Set screw = Grub screw
In UK terminology, a "set screw" is normally a fully threaded fastener with a hexagon head.
Tube wrench = Box spanner
Box-end wrench = Ring spanner
Allen wrench = Allen key
Adjustable wrench = Adjustable spanner / "shifter"
Vise grip = Mole grip
Breaking-in = Running-in
Flashlight = Torch
Pinging = Pinking
Hose clamp = Jubilee clip
Bondo = Body filler
Rim band = Rim tape
Headlamp bucket = Headlamp shell
Lever perch = Lever bracket
Fiberglass = GRP (Glass Reinforced Plastic) / Fibreglass
Pry = Prise
Vise = Vice
Kickstand = Side stand
Tire iron / spoon = Tyre lever
DC generator = Dynamo
Lord / AV mount = "Cotton reel" mount
Bottoming tap = Plug tap
Plug tap = Second tap
Andover Norton
Andover Norton
International Norton Owners Association Technical Articles
INOA Technical Articles
Norton Owners Club – UK
Norton Owners Club
Norton Owners Club NSW
Norton Owners Club New South Wales
The following original Phoenix Motorcycles documents are provided for reference and cover the SU HIF6 carburettor conversion for Norton Commando 750 and 850 models, including installation, fitting, and tuning information.
Compiled and maintained by Les (L.A.B.).
This resource preserves the many years of work Les put into collecting, checking and maintaining useful technical information for Norton Commando owners on Access Norton.
Additional information and documents were contributed by Access Norton members over the years, including Andy Heathwood (DevonNorton) and cliffa.
Originally published as the Access Norton Technical Information thread, started by Les on February 17, 2008.
This resource brings together the Norton Commando technical information, reference material and useful links that Les collected and maintained for Access Norton members over many years.
Threads, Fasteners & Tools
International Thread Standards
Specifications and information covering ISO, Unified, Whitworth, pipe and other thread standards.
International Thread Standards
Thread Data Charts
Thread Data Charts
Norton Service Tool Catalogue
Norton Service Tool Catalogue PDF
British Motorcycle Fastener Database & Model Identification
British Motorcycle Fastener Database
Norton / AMC Fastener & Thread Identification by Part Number
Fastener Sizes by Part Number Chart
British Fastener Specifications
British Fastener Specifications
Spanner / Wrench Size Charts
Spanner Jaw Size Chart
Tool, Nut, Bolt and Spanner Conversion Charts
Manuals, Parts Books & Technical Archives
Old Britts Technical Articles
A large archive of Norton technical articles covering engines, gearboxes, clutches, electrical systems, frames, brakes, wheels, carburettors, tools and maintenance.
Old Britts Technical Articles
Baxter Cycle Norton Parts Books
Online Norton parts books covering many models and years, including Commando models.
Baxter Cycle Norton Parts Books
ClassicBike.biz
Triumph and Norton repair manuals, parts lists, brochures and other period literature.
ClassicBike.biz
1968–1970 Norton Commando Parts List
1968–1970 Commando Parts List – Direct Download
1968–1970 Commando Parts List – Information Page
Norton 850 Commando Mk3 Workshop Manual
850 Mk3 Workshop Manual PDF
AP Lockheed Brake Service Manual
AP Lockheed Hydraulic Brake Service Manual PDF
Downloadable Degree Wheel
Useful for engine and camshaft timing work.
Downloadable Degree Wheel PDF
Engine & Main Bearing Information
Norton Commando Main Bearings / "Superblend"
Summary table provided by Andy Heathwood (DevonNorton):
Commando Main Bearings Summary Table
A detailed summary of data and information on Norton Commando main bearings by Andy Heathwood:
Norton Commando Main Bearings PDF
Norton Commando Oil Information
Access Norton's Norton Commando engine oil testing and technical information:
Access Norton Norton Commando Oil Tests
Electrical, Charging & Ignition
Norton Commando Wiring Diagrams
Grant Tiller Norton Commando Wiring Diagrams
Lucas Alternator Charging / Output Check
Information covering Lucas alternator wiring, stator testing, rotor testing and output checks.
Lucas Alternator Charging / Output Information PDF
Boyer Bransden Ignition Fault Finding
Boyer Bransden Fault Finding
Carburettor Information
Phoenix S.U. Carb Conversion Instructions
Donated to Access Norton by member cliffa.
The original documents are contained in the attachments on Les's original Technical Information thread.
View Original Thread and Attachments
AMAL Carb Tuning Information by John Healy
AMAL Carburettor Tuning Information
AMAL Mk2 Carburettor Manual
AMAL Mk2 Carburettor Manual PDF
AMAL Technical Information
AMAL Technical Information
AMAL Carburetters & Parts
AMAL Carburetter Company
AMAL Mk1 Concentric Tuning
AMAL Mk1 Concentric Tuning Guide
Atlantic Green Technical Information
David Comeau's Atlantic Green Technical Services contains extensive Norton technical information covering engines, gearboxes, clutches, oil systems, Isolastics, forks, wheels, brakes, electrical systems, ignition, carburettors, frames and model-specific information.
Atlantic Green Norton Technical Information
Norton Commando Models – Approximate Dates
The following dates are an approximate indication of when each model was generally available and should not be regarded as exact factory production beginning or end dates.
750cc
Original Commando — 4/68–3/69
750 R — 3/69–9/69
750 S — 3/69–6/70
Fastback — 3/69–8/70
Fastback II — 9/70–12/70
Fastback III — 1/71–12/71
Fastback IV — 1/72–3/73
Fastback LR (Long Range) — 4/71–12/71
Fastback LR MkIV — 1/72–2/73
Roadster — 3/70–12/70
Roadster II — 1/71–12/71
(No MkIII Roadster, apparently!)
Roadster IV — 1/72–2/73
Roadster V — 3/73–10/73
SS (Street Scrambler) — 3/71–10/71
PR (Production Racer) — 4/71–10/73
Hi-Rider — 5/71–12/71
Hi-Rider IV — 1/72–2/73
Hi-Rider V — 3/73–10/73
Interstate — 1/72–2/73
Interstate V — 3/73–10/73
850cc
Roadster 1 — 3/73–12/73
Roadster 1A — 9/73–2/74
Roadster 2 / 2A — 1/74–2/75
Roadster 3 — 2/75–9/77
Interstate 1 — 3/73–12/73
Interstate 1A — 9/73–2/74
Interstate 2 / 2A — 1/74–2/75
Interstate 3 — 2/75–9/77
Hi-Rider 1 — 3/73–12/73
Hi-Rider 2 — 1/74–2/75
Hi-Rider 3 — 3/75–?
John Player Replica — 11/73–2/75
US / UK Motorcycle Terminology
Motorcycle = Motorbike
Plug wire = HT (High Tension) lead
Rim lock = Security bolt
Wrench = Spanner
Fender = Mudguard
Triple tree = Yoke
Ground = Earth
Fork tube = Stanchion
Gear shift = Gear change
Muffler = Silencer
Gasoline = Petrol
Petcock = Petrol / fuel tap
Wrist pin = Gudgeon pin
Zerk fitting = Grease nipple
Lifters = Tappets
Counterclockwise = Anticlockwise
Bushing / bushings = Bush / bushes
Snap ring = Circlip
Footpeg = Footrest
Transmission = Gearbox
License plate = Number plate
Kerosene = Paraffin
Axle = Spindle
Denatured alcohol = Methylated spirit / "meths"
High beam = Main beam
Low beam = Dipped / dip beam
Blinkers / flashers / turn signals = Direction indicators
Set screw = Grub screw
In UK terminology, a "set screw" is normally a fully threaded fastener with a hexagon head.
Tube wrench = Box spanner
Box-end wrench = Ring spanner
Allen wrench = Allen key
Adjustable wrench = Adjustable spanner / "shifter"
Vise grip = Mole grip
Breaking-in = Running-in
Flashlight = Torch
Pinging = Pinking
Hose clamp = Jubilee clip
Bondo = Body filler
Rim band = Rim tape
Headlamp bucket = Headlamp shell
Lever perch = Lever bracket
Fiberglass = GRP (Glass Reinforced Plastic) / Fibreglass
Pry = Prise
Vise = Vice
Kickstand = Side stand
Tire iron / spoon = Tyre lever
DC generator = Dynamo
Lord / AV mount = "Cotton reel" mount
Bottoming tap = Plug tap
Plug tap = Second tap
Other Useful Norton Technical Resources
Andover Norton
Andover Norton
International Norton Owners Association Technical Articles
INOA Technical Articles
Norton Owners Club – UK
Norton Owners Club
Norton Owners Club NSW
Norton Owners Club New South Wales
Phoenix SU HIF6 Carburettor Documents
The following original Phoenix Motorcycles documents are provided for reference and cover the SU HIF6 carburettor conversion for Norton Commando 750 and 850 models, including installation, fitting, and tuning information.
- Phoenix SU Carburettor Conversion Kit Information
Original Phoenix documentation describing the SU HIF6 conversion kit developed for Norton Commando models.
- Phoenix SU Carburettor Fitting Instructions
Installation instructions covering fitting of the conversion kit, manifold, filter, cables, and initial setup.
- SU HIF6 Carburettor Conversion Notes
Additional notes covering supplied components and installation details.
- Phoenix SU Carburettor Tuning Instructions
Tuning guidance covering mixture adjustment, idle speed, cable adjustment, and final checks.
- SU HIF6 Carburettor Diagram and Tuning Information
Additional diagram and tuning reference material for the SU HIF6 carburettor.
Credits
Compiled and maintained by Les (L.A.B.).
This resource preserves the many years of work Les put into collecting, checking and maintaining useful technical information for Norton Commando owners on Access Norton.
Additional information and documents were contributed by Access Norton members over the years, including Andy Heathwood (DevonNorton) and cliffa.
Originally published as the Access Norton Technical Information thread, started by Les on February 17, 2008.
