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1957 Sportster

The Sportster XL was introduced as “a modern, up-to-date power plant.” www.motorcycleclassics.com_media_images_mcc_editorial_articles_magazine_articles_2011_05-01_1957_harley-davidson_sportster_xl_sportster-1.jpg

Number produced: 19831)

Original Price: $1103

Specifications

1957 Sportster Engine

  • Displacement: 55 ci / 900 cc
  • Compression: 7.5.1
  • Hemi-spherical style heads
  • Bore: 3 in2))
  • Stroke: 3 13/16 in3)
  • 90 Degree Valve Angle
  • Horse Power: 40hp @ 5,500rpm4))
  • Weigh: 495 lb / 225 kg5))
  • Fuel capacity: 4.4 gal / 16.6 l6))
  • MPG: 50mpg (est.)7)

Models

  • XL

Colors

  • Pepper Red / Black Tank Panels8))
  • Skyline Blue / Birch White Tank Panels9))
  • Birch White / Black Tank Panels10)
  • Black / Pepper Red Tank Panels11)

Back to Sportster History Index

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