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Lot 350: 1925 BSA 250cc Model B ‘Round Tank’

Collectors' Motorcycles, Bonhams (16 October 2005)

A top-selling model for BSA throughout the 1920s, the versatile Model B, or ‘Round Tank’, was used by just about every tradesman whose job required cheap personal transport. Popular with learners - the fact that the gearbox had only two speeds and that both brakes operated on the rear wheel were attributes guaranteed to re-assure novices - the reliable 250 sidevalve provided many with their first motorcycling experience. Advanced features, for a lightweight, included all-chain drive and pumped lubrication, though the traditional sight feed and auxiliary hand pump were retained. Apparently substantially original and complete, this example is offered with old-style continuation logbook and Department of Transport letter linking the registration mark ‘ER 4024’ to the machine.

Lot Details
Auction Collectors' Motorcycles
Bonhams, Classic & Motorcycle Mechanics Show, Stafford
TypeMotorcycle
Lot Number350
Estimate£800-£1200
Outcome SOLD
Hammer Price£2000
Hammer Price (inc premium)£2300
Year1925
Condition rating
Registration number
Mileage-
Chassis number
Engine numberB15689
Engine capacity (cc)
Engine - cylinders
Number of doors