BSA B25

Source-listed reference profile. Prices, fees and availability depend on the market, programme, version and source date.

Detailed specifications and information

Name	BSA B25
Country
Introduced
Region
City
Source	Wikidata
Manufacturer	BSA motorcycles Source
Operator
Location
Mass
Height
Width
Length
Retrieved At	2026-11-02
Engine	247 cc (15.1 cu in), air-cooled , unit construction , OHV , four-stroke , single Source
Power	26 bhp (19 kW) at 7250 rpm Source
Brakes	Drum brakes front & rear Source
Transmission	Wet , multi-plate clutch , 4-speed gearbox, chain drive Source
Suspension	Front: telescopic forks Rear: swinging arm Source

Prices and specifications may change by market and date.

Section	Label	Value	Source Url
1969 BSA Starfire	Engine	247 cc (15.1 cu in), air-cooled , unit construction , OHV , four-stroke , single	Source
1969 BSA Starfire	Power	26 bhp (19 kW) at 7250 rpm	Source
1969 BSA Starfire	Transmission	Wet , multi-plate clutch , 4-speed gearbox, chain drive	Source
1969 BSA Starfire	Frame type	Single cradle	Source
1969 BSA Starfire	Suspension	Front: telescopic forks Rear: swinging arm	Source
1969 BSA Starfire	Brakes	Drum brakes front & rear	Source

Field	Value 1
1969 BSA Starfire	—
Manufacturer	BSA motorcycles
Parent company	Birmingham Small Arms Company Limited
Production	1967–1971
Assembly	Small Heath, Birmingham , UK
Predecessor	BSA C15
Engine	247 cc (15.1 cu in), air-cooled , unit construction , OHV , four-stroke , single
Bore / stroke	67 mm × 70 mm (2.6 in × 2.8 in)
Compression ratio	10:1
Power	26 bhp (19 kW) at 7250 rpm
Transmission	Wet , multi-plate clutch , 4-speed gearbox, chain drive
Frame type	Single cradle
Suspension	Front: telescopic forks Rear: swinging arm
Brakes	Drum brakes front & rear
Footnotes / references [ 1 ] [ 2 ] [ 3 ]	—

Manufacturer	Birmingham Small Arms Company
Last sourced	2026-11-02