Sport · 1957
65 Springer
Technical Overview
1957 Panther 65 Springer Technical Analysis & Specification Breakdown
Built around Panther's sport motorcycle platform, the 1957 Panther 65 Springer pairs a 248 cc (15.1 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 60.0 x 88.0 mm (2.4 x 3.5 inches) with a 6.5:1 compression ratio.
Within MotoLibrary's Panther archive, this model family spans 4 indexed model years from 1955 to 1958, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement 248.0 ccm (15.13 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Single cylinder, four-stroke
Compression 6.5:1
Bore x Stroke 60.0 x 88.0 mm (2.4 x 3.5 inches)
Fuel System Carburettor
Ignition Magneto
Cooling Air
Transmission
Final Drive Chain (final drive)
Clutch Dry multiplate
Chassis
Front Suspension Hydraulic telescopic
Rear Suspension Swingarm
Wheels & Brakes
Front Tyre 3.25-19
Rear Tyre 3.25-19
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake)
Other
Starter Kick
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