This is the second of my Norton Commando monoshock conversions; this one uses my own design on the swingarm and rising rate linkage, a bit different from Kenny Dreer's box-section swingarm with pyramid mounted rocker link for the shock.
Engine
1974 Norton 850 Commando, vertical air-cooled OHV pushrod twin, dry sump
Flat-topped .020 oversize pistons and rings, OEM 850 cast iron cylinders
Norton 850 crankshaft, flywheel connecting rods, RH10 head
F.A.G. Superblend main bearings, Rowe valves bronze valve guides
Megacycle 560-00 camshaft with resurfaced cam followers
Norton multi-plate clutch system with Sureflex clutch friction plate set
Amal 32mm concentric carbs, tapered / matched manifolds
OEM Norton 850 engine covers inspection caps, mirror polished
Refurbished Norton oil pump, transmission, rockers, shafts pushrods
Chassis
1974 Norton 850 Commando Mark III frame, modified for upper monoshock mounting, powdercoated
Born Again Bikes custom fabricated monoshock swingarm with rising rate linkage
Mark III stainless steel vernier adjustable isolastic rubber mount system
Rose joint type engine top front steadies for zero lateral engine movement
(Chassis can be restored to original condition by simply replacing swingarm & rear shocks)
Wheels & axles
Excel aluminum rims laced with stainless steel spokes nipples by Buchanans
Suzuki TL1000 front axle with custom sealed bearings
Kenny Dreer dual disc front hub rotor spacers, with custom built axle spacers
Tires: Avon AM26 RoadRider 100/90x18 Front Rear
Suspension & Brakes
Suzuki TL1000 Fork yokes, stem turned to fit OEM Norton steering bearings
Front: Showa 41mm fully adjustable (compression, rebound damping) inverted forks, overhauled
Rear: KYB fully adjustable, gas charged reservoir rear monoshock
Front: Dual 6-pot Tokiko calipers, 298mm T.A.W. full-floating rotors, Nissin master cylinder
Rear: OEM Norton Mark III skimmed drilled disc, Lockheed caliper, Nissin master cylinder
Cycle Parts
Lyta Sprint aluminum fuel tank, Dreer VR880 seat/tail, upholstered in leather
OEM Commando fiberglass sidecovers tail unit painted metallic Silver
Mark III crossover style exhaust with peashooter mufflers, Reynolds 530 chain
Rearset footpegs, clip-on handlebars, standard Commando oil tank
Electrical Equipment
Sparx electronic ignition with dual Bosh 6 volt coils
Lucas alternator with Tympanium solid-state regulator/rectifier
Born Again Bikes hand-wired electrical harness system, AGM heavy duty battery
My first monoshocker (the Blue one) was featured on kneeSlider.Com, and in the 2010 BritBike.Com calendar, I hope this one gains some exposure as well - IT'S FOR SALE!
Engine
1974 Norton 850 Commando, vertical air-cooled OHV pushrod twin, dry sump
Flat-topped .020 oversize pistons and rings, OEM 850 cast iron cylinders
Norton 850 crankshaft, flywheel connecting rods, RH10 head
F.A.G. Superblend main bearings, Rowe valves bronze valve guides
Megacycle 560-00 camshaft with resurfaced cam followers
Norton multi-plate clutch system with Sureflex clutch friction plate set
Amal 32mm concentric carbs, tapered / matched manifolds
OEM Norton 850 engine covers inspection caps, mirror polished
Refurbished Norton oil pump, transmission, rockers, shafts pushrods
Chassis
1974 Norton 850 Commando Mark III frame, modified for upper monoshock mounting, powdercoated
Born Again Bikes custom fabricated monoshock swingarm with rising rate linkage
Mark III stainless steel vernier adjustable isolastic rubber mount system
Rose joint type engine top front steadies for zero lateral engine movement
(Chassis can be restored to original condition by simply replacing swingarm & rear shocks)
Wheels & axles
Excel aluminum rims laced with stainless steel spokes nipples by Buchanans
Suzuki TL1000 front axle with custom sealed bearings
Kenny Dreer dual disc front hub rotor spacers, with custom built axle spacers
Tires: Avon AM26 RoadRider 100/90x18 Front Rear
Suspension & Brakes
Suzuki TL1000 Fork yokes, stem turned to fit OEM Norton steering bearings
Front: Showa 41mm fully adjustable (compression, rebound damping) inverted forks, overhauled
Rear: KYB fully adjustable, gas charged reservoir rear monoshock
Front: Dual 6-pot Tokiko calipers, 298mm T.A.W. full-floating rotors, Nissin master cylinder
Rear: OEM Norton Mark III skimmed drilled disc, Lockheed caliper, Nissin master cylinder
Cycle Parts
Lyta Sprint aluminum fuel tank, Dreer VR880 seat/tail, upholstered in leather
OEM Commando fiberglass sidecovers tail unit painted metallic Silver
Mark III crossover style exhaust with peashooter mufflers, Reynolds 530 chain
Rearset footpegs, clip-on handlebars, standard Commando oil tank
Electrical Equipment
Sparx electronic ignition with dual Bosh 6 volt coils
Lucas alternator with Tympanium solid-state regulator/rectifier
Born Again Bikes hand-wired electrical harness system, AGM heavy duty battery
My first monoshocker (the Blue one) was featured on kneeSlider.Com, and in the 2010 BritBike.Com calendar, I hope this one gains some exposure as well - IT'S FOR SALE!
