1981 Yamaha XJ550 Repair Manual

Technical reference for the Yamaha XJ550, covering all maintenance and repair procedures. Includes detailed diagrams and specifications for this iconic motorcycle. PN 4U8-000101

4.5starstarstarstarstar_half(2)
visibility Preview Available
Yamaha 1981 Yamaha XJ550 Repair Manual manual page preview - page 1 of

Sample pages from the 1981 Yamaha XJ550 Repair Manual manual

Yamaha 1981 Yamaha XJ550 Repair Manual manual preview page 1 - thumbnail
info_outline Click thumbnails to preview different pages
$18.44 (incl. VAT) Instant Download / No Shipping Fees
4 copies sold
OR BUY NOW
verified_user
Lifetime Access
Re-download anytime
flash_on
Instant Download
Get it immediately
lock
Secure Payment
PayPal

Yamaha Models Covered & Key Technical Specifications

Models: 1981 Yamaha XJ550
Serial Numbers: 4U8-000101
Technical Data:

  • Engine: D.O.H.C. air-cooled, 4-cylinder, 528 cc
  • Transmission: Constant mesh, 6-speed
  • Compression: 8.5 kg/cm2 (121 psi) standard
  • Spark Plug: D8EA (NGK) or X24ES-U (ND)
  • Fuel System: Mikuni BS28 constant velocity carburetors
  • Drive System: Chain, 45/16 ratio
  • Fuel Capacity: 16 liters (4.2 US gal) total, 3.5 liters (0.9 US gal) reserve
  • Suspension: Telescopic fork front, swing arm rear
Technical Specifications
keyboard_arrow_down
Document Number / Seller:
26532 / Walter Thomas
File Size:
37.71 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Bike
Last updated / verified
Jul 28, 2025

Yamaha Manual Features & Content Preview

1981 Yamaha XJ550 Factory Service Manual

  • Covers 1981 Yamaha XJ550, documenting engine, chassis, electrical, and fuel-injection specifications for the 4U8-series build
  • Original OEM publication, first edition, 1981 release
  • Contains 100 pages of exploded-view diagrams, electrical circuit wiring schematics, torque tables, and valve-clearance charts
  • Delivered as a direct download the moment payment clears
  • Indexed PDF search covers every chapter and appendix
  • Re-download the file any time, no expiration
  • This 1981 first edition is the factory reference used for the original XJ550RH launch build

Technical Documentation Scope

The 1981 Yamaha XJ550 service manual provides extensive documentation for maintenance and mechanical assessment. The text spans seven distinct chapters, beginning with machine identification and special tools, moving into periodic maintenance intervals, and concluding with a detailed electrical circuit analysis. Core engine work, including cylinder head overhaul and valve clearance adjustment procedures, is detailed alongside carburetor synchronization. The content integrates mechanical data with visual diagrams to assist in component identification and assembly.

Specification Highlights

Technical data is provided for critical mechanical tolerances and fluid capacities, supporting professional-grade maintenance. Reference the what an OEM service publication covers to understand the technical depth provided in these tables. Valve clearance for the intake is listed at 0.11–0.15 mm in the cylinder head specification table. Engine oil capacity with filter replacement is documented at 2.5 liters. The intake manifold vacuum pressure settings are maintained through precise synchronization of the four Mikuni BS28 carburetors. Cylinder head bolt torque values are documented in a multi-stage sequence, with final-stage tightening specified at 2.0 m-kg (14.5 ft-lb). This official 100-page Yamaha OEM workshop manual covers the 1981 Yamaha XJ550, documenting engine, chassis, electrical, and fuel-injection specifications for the 4U8-series build.

Manual FAQ, Purchase & Download Details

What kind of visual aids and component breakdown diagrams does the manual include? keyboard_arrow_down

Manual contains exploded views of assemblies like the fuel petcock, along with many detailed parts illustrations for various systems. These diagrams show the arrangement and connection of individual components throughout the document.

Is there a specific publication year referenced for this Yamaha motorcycle manual? keyboard_arrow_down

Document is titled as the 1981 Yamaha XJ550 Service Manual.

Are there specific sections that receive the deepest technical coverage within the document? keyboard_arrow_down

Coverage is extensive throughout chapters such as general information, periodic inspections, and specialized engine services. These sections provide detailed tables, system-specific lists, and technical reference charts for the covered model.

Which chapters reference the electrical system and ignition timing values? keyboard_arrow_down

Chapter 6 includes references to electrical components, system testing equipment, and ignition timing parameters.

Can I find technical reference data and specification tables for fluid capacities and valve settings? keyboard_arrow_down

Document contains comprehensive specification tables for engine oil, fork oil, and valve clearance ranges. It also includes charts for periodic maintenance intervals and system-specific adjustments. These tables provide the necessary technical data needed for standard model reference.

Customer Reviews

Read what our customers say about this Yamaha Bike manual and share your own experience.