BSA MC1 250 Racer — Classic British Motorcycles — Motorcycle Classics

3 Май 2015 | Author: | Комментарии к записи BSA MC1 250 Racer — Classic British Motorcycles — Motorcycle Classics отключены
BSA Prototype
BSA Prototype

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1962 250 Gran Sport

A 1962 Parilla 250 Gran on display with other motorcycles at the Barber Vintage

1954 BSA MC1

Claimed power: @ 10,250rpm (at gearbox sprocket)

Top 105mph

Engine: 248.5cc DOHC horizontal single-cylinder bevel-gear camshaft drive, radial valves and external 70mm x 64.5mm bore and 10.1:1 compression ratio

BSA Prototype
BSA Prototype

(dry): 248lb (113kg)

Fuel capacity/MPG: 7gal

The roll call of would-be world beaters bikes would lead to a Made in World Championship glory by in the title-winning tire tracks of the Norton and AJS Porcupine is long, but illustrious.

All too often, hopes for crumbled into dust a bike turned out to be misconceived or deficient in some crucial Machines like the Read-Weslake 500 the KRM Superstreak 350 Four or the Roberts V5 racer (made with money, but conceived and built in to name just three, dreams of victory that to be cruel mirages. But among abortive projects, the MC1 250cc created by BSA in the 1950s, then the largest motorcycle manufacturer, to have a genuine chance of the dream.

MC1 beginnings

In the immediate post-World War II Bert Hopwood, then an at Norton, created the legendary parallel twin. In May 1948, became chief engineer at Eager to develop an innovative, new of products for BSA, in 1949 he out the concept of a 250cc single coded MC1 with a horizontal and four radial valves by short, chain-driven, overhead connected by bevel gears.

At a time when long-… were the accepted norm, the square 68mm x 68mm were unusual. Hopwood’s at Norton, Doug Hele, him to BSA in 1949, and in 1950 was commissioned by to put this concept into as the prototype for a family of road with a possible view to in the Lightweight TT in the Isle of Man where Guzzi singles of comparable were dominant. MC

Order the November/December 2012 of Motorcycle Classics to read about the BSA MC1 250 Racer. Contact Service at (800) 880-7567 or us by email .

BSA Prototype
BSA Prototype
BSA Prototype

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