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TAG : classic british motorcycles

emc-350

Devil in Disguise: 1948 EMC 350 Grand Prix Racer

While struggling to establish the fledgling bike business he’d founded in 1946, Joe Ehrlich developed a water-cooled EMC split-single 2-stroke GP racer. The bike used a ladepumpe supercharging piston in a design clearly based on the prewar DKW factory racer with which Germany’s Ewalde Kluge ...

Mercury Rising: Norton’s Forgotten Featherbed

Norton Mercury 650 Years produced: 1969-1970 Power: 47hp @ 6,800rpm Top Speed: 110 mph est. Engine: 646cc (68mm x 89mm) air-cooled, OHV parallel twin Transmission: Chain primary, wet multiplate clutch, 4-speed, chain final drive Weight/MPG: 408lb dry/NA Price now: $4,000-$12,000 When ...

Big-Hearted Beezer: BSA/Ariel “Flash Four”

 1957/1949 BSA/Ariel "Flash Four" Engine: 997cc OHV air-cooled Square Four MkI, 65mm x 78mm bore and stroke, 6:1 compression ratio, 35hp @ 5,500rpm Top speed: 90mph Carburetion: Single Solex 26 AHD Transmission: Chain primary, BSA multiplate clutch, BSA 4-speed gearbox Electrics: 12v, ...

The Desert Sled: 1967 Triumph TR6C

1967 Triumph TR6C Trophy Engine:649cc air-cooled OHV parallel twin, 71mm x 82mm, 9:1 compression ratio,45hp @ 6,500rpm Top speed:90mph (est.) Carburetion: Single Amal Monobloc 389/239 carburetor Transmission: 4-speed, chain final drive Electrics:6v, energy transfer ...

enfield-lead

Riding the Royal Enfield INT650 and Continental GT

Royal Enfield INT650/Continental GT650 Engine: 648cc air/oil-cooled SOHC parallel twin, 78mm x 67.8mm bore and stroke, 9.5:1 compression ratio, 47hp @ 7,250rpm (at crankshaft) Top speed: NA Fueling: Bosch multipoint sequential fuel injection Transmission: 6-speed, chain final ...

vincent-right-lead

The Vincent That Never Was: Comet SS

Vincent Comet SS Engine: 636cc air-cooled OHV 4-stroke single, 90mm x 100mm bore and stroke, 10:1 compression ratio, 45hp (calculated) Top speed: 115mph (est.) Carburetion: 36mm Mikuni Transmission: 4-speed Norton gearbox, chain final drive Electrics: 12v generator, BT-H electronic ...

brough-lead

100 Years of Brough Superior

1934 Brough Superior 8/75 SS100 Engine: 996cc air-cooled OHV 50-degree JAP V-twin, 80mm x 99mm bore and stroke, 8.5:1 compression ratio, 74hp @ 6,200rpm Top speed: 110mph, guaranteed Carburetion: Two Binks w/single remote float Transmission: Sturmey-Archer 4-speed, chain final ...

The Approachable Nortons

Norton’s tie-up with respected U.K. automotive engineering firm Ricardo has resulted in an all-new V4 engine. It’s the first clean-sheet 4-stroke performance model the famous company has made since the 1970s. Computer-designed and painstakingly developed, it is Norton’s new platform off ...

triumph-lakeside

Bad Timing: Custom Triumph T110

Triumph T110 Engine: 649cc air-cooled OHV parallel twin, 71mm x 82mm bore and stroke, 8.5:1 compression ratio, 42hp @ 6,500rpm (in stock trim, w/o dual carbs) Carburetion: Dual Amal 376 Monobloc 1-1/16in Transmission: 4-speed, chain drive primary and final Electrics: 12v Alton generator and ...

Using Lead Additives in a Triumph TR6

Editor’s note: If you’re having trouble with that old Suzuki, BSA or BMW, Keith Fellenstein is your guy. From motorcycle tuning tips to detailed motorcycle engine repair, he can draw from a wealth of experience to help guide you to success. Send questions to: Keith’s Garage, 1503 SW 42nd ...

Motorcycle Classics Magazine

Featuring the most brilliant, unusual and popular motorcycles ever made!