1979-1982 Kawasaki Z250/KZ305 Service Manual

For Z250 and KZ305 models: diagnostics, service, and parts information, including engine disassembly and chassis adjustments. Part number A123B.

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Kawasaki Models Covered & Key Technical Specifications

Models: Kawasaki Z250, Kawasaki KZ305
Build Years: 1979–1982
Technical Data:

  • Engine: SOHC, 2-cylinder, 4-stroke, air-cooled
  • Displacement: 248 cc
  • Maximum Power: 27 HP at 10,000 rpm
  • Maximum Torque: 2.1 kg-m (15 ft-lbs) at 8,500 rpm
  • Transmission: 6-speed, constant mesh, return shift
  • Clutch: Wet, multi-disc
  • Carburetor: Keihin CV32 x 2
  • Final Drive Ratio: 7.79 (top gear)
  • Suspension: Telescopic front fork, swing arm rear
  • Brakes: Front and rear disc brakes
Technical Specifications
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Document Number / Seller:
31066 / Emily Taylor
File Size:
58.91 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Bike
Last updated / verified
Mar 17, 2025

Kawasaki Manual Features & Content Preview

Inside the 1979–1982 Kawasaki Z250/KZ305 Service Manual

  • Built for owners and mechanics servicing the 1979–1982 Kawasaki Z250 and KZ305 motorcycles
  • Official Kawasaki publication, Fourth Edition, dated September 30, 1981
  • Contains 74 technical exploded-view diagrams and 35 detailed torque specification tables
  • Delivered as a direct download the moment payment clears
  • Full-text search finds any part number in seconds
  • Laid out for standard letter and A4 printing
  • This 1981 fourth edition serves as the authoritative factory reference for the Z250-A1 and A2 production models

Documented Systems and Maintenance

The 1979–1982 Kawasaki Z250/KZ305 service manual covers all critical engine, chassis, and electrical maintenance. Expert prose details the correct methodology for cylinder head disassembly, timing chain adjustment, valve clearance verification, and fuel system cleaning. Additional sections focus on the transmission overhaul, clutch plate maintenance, and drive chain slack adjustment. Complete diagnostic flow charts assist in understanding the interaction between the electrical, ignition, and fuel supply systems.

Specification and Technical Reference

Detailed reference values provide the essential data for shop-floor work. Cylinder head bolt torque is specified at 2.5 kg-m (18.0 ft-lbs) in the engine assembly data section. Valve clearance for the intake is listed at 0.14–0.19 mm in the cylinder head specification table. The Kawasaki Z250/KZ305 alternator output is documented at 13.5 amps at 8,000 rpm. This volume provides structural guidance for engine removal, crankcase splitting, and electrical system diagnostics, functioning as an essential factory workshop publication for these classic machines. All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work.

Manual FAQ, Purchase & Download Details

Which pages in the service manual contain lubricant charts or engine oil capacity specifications? keyboard_arrow_down

Specification tables and the maintenance chapters list engine oil capacities and general lubrication requirements for the supported Kawasaki models.

Are wiring diagrams included for the Kawasaki Z250 and KZ305 electrical systems? keyboard_arrow_down

Appendix sections contain wiring diagrams and harness references for the electrical systems. These visual guides support the technical data found in the engine and chassis chapters.

Is the ignition timing reference data provided for the 1979-1982 model range? keyboard_arrow_down

Engine sections include tables and timing mark diagrams that detail ignition timing reference parameters.

What kind of exploded views or component illustrations are shown in this document? keyboard_arrow_down

Manual contains various exploded views and diagrams that illustrate major assemblies and component arrangements. These graphics help visualize the layout of parts referenced in the specification tables.

Does the document contain connector pinout information for the electrical equipment? keyboard_arrow_down

Electrical chapters include references for various components, such as the alternator, regulator, and ignition coils. These sections provide data to help identify terminal arrangements within the harness. The information is presented alongside technical specifications for the electrical system.

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