WORKSHOP
Norton Commando Racer Rennmaschine Steve Maney Porting Manx

 

Crankcase Specs:
• Main Bearings: "Superblend"
• Camshaft needlerollers
• Cases ground out for hi-lift camshaft clearance
• Modified oil cycle
• One way crankcase breather

Crankshaft Specs as:
• Lightweight crankshaft
• Balance factor: 80%

Camshaft Specs:
• Steve Maney S4
• Inlet valve opens 46° BTDC, closes 76° ATDC
• Exhaust valve opens 76° BTDC, closes 45° ATDC
• Intake lift 10,1 mm
• Exhaust lift 8.9 mm

Connecting Rod Specs:
• Standart (highly polished)

Piston Specs:
• Forget Omega 10:1

Cylinder Specs:
• Pushrods: lightweight titanium

Cylinder Head Specs:
• Valves: Nucleus
• Guides: Callisbro
• Keepers: Dural
• Springs: Norvil Tri-Rate
• Rockers: polished and lightened
• Inlet size: 35mm

Carbs:
• Amal MK2 34mm 320Mainjets

Igniton:
• Boyer Bransden digital on 14.4V

Gearbox:
• Standard Commando housing
• Close ratio
• Stronger main and layshaft
• Steve Maney outrigger
• Steve Maney belt drive
• Norvil lightweight clutch plates

Frame:
• Slimline
• Box section swingarm
• Koni shocks
• Lightweight frame spacer

Fork:
• Marzocchi with twin disc Brembo08

Exhaust:
• Steve Maney 2into1 high level

Wheel front:
• Laverda twin disc hub 310mm
• Akront Morad rim 18"x2,5"
• Dunlop KR825 race compound

Wheel back:
• 2-leading shoe brake Triumph conical
• Morad rim 18"x3.0"
• Dunlop KR164 race compound

Topspeed:
• 228km/h