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Triumph Werke Nürnberg Modell B 254 F 1938-1939

Engine: two-stroke with flat piston, alloy cylinder and head.

Bore 68 mm Stroke 72, 246cc.

Power 8.5 HP @ 4,500rpm

Compression ratio: 6.03:1.

Lubrication: petroil 20:1

Exhaust: two exhaust pipes.

Fuel tank: capacity 11.3 litres.

Carburettor: Bing AJ 2/24

Spark plug: DM 175 A 1.

Lighting system: Noris MLZS 6/30 / 3a. - Headlight Noris SBT 160/3, light outlet 160 mm.

Clutch: two discs with cork blades.

Gearbox: Triumph-Hurth 4-speed, unit construction)

Drive: engine to gearbox via chain in oil bath. Rear wheel chain fully enclosed.

Brake drum: diameter 150 mm. Width 22 mm.

Tyres: 3.00x19.

Front Suspension: pressed-metal forks.