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Technical Specification - Road Bikes To Pre 1975 Specification - All models Available
Optional Extras |
![]() Now You Can Own The Bike You Never Could Afford When They Were First Manufactured All New Bikes Are Built To Your Own Tailored & Individual Specification All Bikes Can Be Viewed At Any Time During Our Usual Opening Times by Prior Appointment |
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High Resolution Digital Diary Of Build Compiled On USB (Request At Start Of Project) | Optional Extra | |
PAINT - Metallic Paint / Two Tone Paint e.g. Silver, Gold, JPS Colours etc | Optional Extra | |
PAINT - Metal Flake, Candy Apple, Pearlescent etc | Optional Extra | |
Engine | ||
750cc, 850cc, 920cc or 1000cc | ||
Standard Camshaft Made In EN40 Steel | ||
38mm Valves (5/16" Stem) | ||
Amal MK1 32mm Carbs Rigidly Mounted | ||
Shotpeened Connecting Rods | ||
Steel Valve Collars | ||
9:1 Pistons (750cc), 8.5:1 Pistons (850cc) or 8.5:1 Pistons (920cc) | ||
Superblend Main Bearings | ||
MK4 Boyer Micro MK3 Electronic Ignition | ||
2s or 4s Camshaft | Optional Extra | |
Titanium Valve Collars | Optional Extra | |
Vernier Camshaft Sprocket | Optional Extra | |
One Piece Crankshaft | Optional Extra | |
Automatic Cam Chain Tensioner | Optional Extra | |
Transmission | ||
4 Speed Gearbox Standard Ratio With The Latest Type Gears | ||
Superblend Type Layshaft Bearing | ||
Triplex Chain With Diaphragm Clutch | ||
HTD Belt Primary Drive With Diaphragm Clutch (Easy Kick-start option also Available, Just Ask) | Optional Extra | |
Chassis | ||
Stainless Steel Spokes | ||
Vernier Isolastics (No More Shimming Required) | ||
Reverse Cone Silencers | ||
Stainless Mudguards | ||
Halogen Headlamp - 60/55W Wipac Quadoptic | ||
Large Perforated Surround, Air Filter | ||
Single Disc Brake As Requested (13" Disc Is Standard Equipment) | ||
Alloy Wheel Rims (Unless Stainless Rims Are Purchased, We Will NOT Use Chrome Rims) | ||
Stiffening Kit - For Drum Brake If Requested | Optional Extra | |
Electronic Charge Control Unit | ||
External Cartridge Oil Filter Kit (On 850cc This Is Included Free) | Optional Extra | |
All Available Parts In Stainless Steel - Except Exhaust System Or Wheel Rims | Optional Extra | |
Upswept Dommie Type Silencers | Optional Extra | |
Twin 12" Disc Conversion (14" Twin Disc Conversion Also Available, Please Email For Price) | Optional Extra | |
Stainless Wheel Rims (Pair) | Optional Extra | |
Norvil Isolastic Head Steady | Optional Extra |
Norton: Combustion volumes guaranteed to less than 0.1cc.
Norvil Commando - General Specification |
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Road Spec |
BHP |
RPM |
Torque ft.lbs. |
750cc |
58 |
6200 |
48 |
850cc Pre MK3 |
57 |
5800 |
56 |
850cc MK3 |
57 |
5800 |
56 |
920cc |
64 |
5800 |
63 |
1000cc |
68 | 5500 | 71 |
Page last updated 23/02/25