1983-1987 BMW K100 & K75 Owners Workshop Manual

1983–1987 BMW K100 and K75 Workshop Reference

• Covers 1983–1987 BMW K100 and K75 series motorcycles, including C, S, T, RS, RT, and LT variants
• Original Haynes publication, Library of Congress Catalog Card Number 87-82236
• Contains 19 detailed exploded-view diagrams and 39 technical photography sequences
• File link appears in your order confirmation straight away
• Suitable for printing individual sections for shop-floor use
• Stored against your account so you can retrieve it after a hard-drive loss
• This Haynes 1988 edition is the standard reference for the K-series launch cycle, documenting early engine, electrical, and fuel-injection architecture

Mechanical Scope and Documentation

This Haynes workshop publication provides technical guidance for the maintenance and overhaul of the 1983–1987 BMW K100 and K75 series. The content transitions from introductory tool requirements and routine maintenance schedules to in-depth teardown sequences for the four-stroke engine and transmission units. Chapters document the disassembly, inspection, and reassembly of the liquid-cooled fuel-injected powerplants, including detailed coverage of the fuel system, cooling circuits, and the unique longitudinal crankshaft layout characteristic of these machines.

Further technical sections examine the frame, suspension geometry, and braking systems, including disc and drum configuration details. The manual documents electrical system components, starting circuits, and ignition timing procedures, supported by wiring diagrams for the range. The coverage is tailored for the 1983–1987 BMW K100 and K75, with specific identification markers for the differing 740cc and 987cc engine variants.

Technical Specifications Preview

Specifications tables provide essential clearances and tightening values, such as the 16 N·m torque required for rear brake caliper mounting bolts. Cylinder head bolt torque values are documented in a multi-stage sequence, with final-stage angles of 80° for specific retaining nuts. Valve clearance for the intake is listed at 0.15–0.20 mm in the engine specification table. Crankshaft main bearing radial clearance is specified at 0.020–0.056 mm. Coolant system capacity for the K-series is maintained at manufacturer-recommended levels, detailed in the routine maintenance chapter. For those needing guidance on how factory workshop documentation is structured, this resource offers high-level engineering data.

Reference only — always consult a certified technician before performing service on this equipment. An official Haynes workshop manual covering the 1983–1987 BMW K100 and K75, documenting engine, chassis, electrical, and fuel-injection specifications for the K-series build.