1983 Yamaha XS400 Service and Repair Manual

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A 1983 XS400 is not served by the earlier XS400 book. Yamaha published LIT-11616-02-91 for this year, and the machine appears in it as XS400K, sharing the volume with the XJ400J.

The coverage is a single model year, which keeps the text tight. Specifications belong to these two codes only, so there is no sorting through seven seasons of revisions to find the figure that applies to the bike in front of you.

  • Engine service from top end through crankcase, with torque and clearance data
  • Clutch, gearbox and final drive procedures
  • Suspension, wheel and brake overhaul
  • Fuel system and ignition adjustment
  • Wiring diagrams and electrical component tests

Before ordering, read the code on the frame or engine and confirm it is XS400K.

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