Kawasaki Z250 1981 Factory Service Repair Manual

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🏷️ Basic Information Identification Make: Kawasaki Model: Z250 Year: 1981 Codes Chassis Code Primary: KZ250-B1 Engine Code Primary: KZ250BE 👋 Introduction Market Position Segment: Lightweight sport motorcycle Target Audience: Enthusiasts,...

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Taper: Motorcycle

Distributeur:

UGS: 369920

Mots clés: 1981 Kawasaki Motorcycle Motorcycles Z Series Z250

Variantes de produits

Description

🏷️ Basic Information

Identification

Make:

Kawasaki

Model:

Year:

Codes

Chassis Code Primary:

KZ250-B1

Engine Code Primary:

KZ250BE

👋 Introduction

Market Position

Segment:

Lightweight sport motorcycle

Target Audience:

Enthusiasts, DIY mechanics, vintage motorcycle owners

Competitive Analysis

Competitors 1981:

Yamaha RD250, Honda CB250RS

Key Features

Manual Advantage:

Authoritative and accurate information directly from Kawasaki factory documentation

Vehicle Advantage:

Compact, nimble, and accessible performance in its class

📋 Manual Details

Coverage Areas

General Coverage:

Comprehensive repair, maintenance, and troubleshooting for the 1981 Kawasaki Z250

Page Count

Estimated Page Count:

200-300

Manual Type

Type:

Factory Service Repair Manual

Language

Language:

English

Format

Format:

Digital (likely PDF)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine disassembly, assembly, inspection, repair, tuning, specifications

Fuel System:

Carburetor(s) overhaul, adjustment, fuel tank, fuel lines

Ignition System:

CDI system, ignition timing, spark plugs

Transmission:

Gearbox inspection, repair, clutch operation, service

Chassis And Frame:

Frame inspection, suspension disassembly and repair (front fork, rear shock)

Braking System:

Brake caliper, master cylinder, brake lines, brake fluid replacement

Electrical System:

Wiring diagrams, lighting, charging system, battery, starter motor

Bodywork And Trim:

Body panel removal and installation, seat, fenders, exhaust system

Procedures Included

Routine Maintenance:

Oil changes, filter replacement, chain adjustment, lubrication, spark plug checks

Troubleshooting:

Diagnostic charts for common problems and their solutions

Engine Rebuild:

Piston, rings, cylinder, valve train overhaul procedures

Carburetor Tuning:

Idle speed adjustment, jetting recommendations

Electrical Troubleshooting:

Component testing, wiring continuity checks

Technical Depth

Depth:

Complete workshop-level repair procedures, including detailed specifications and torque values

📊 Manual Specifications

File Format

File Type:

Searchability:

Likely searchable text

Print Quality

Print Recommendation:

High-resolution for clear diagrams and text

Binding Type

Binding:

N/A (Digital Format)

Paper Type

Paper Quality:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine

Engine Type:

4-stroke, air-cooled, DOHC, parallel-twin

Displacement:

249 cc (249 cm³)

Bore X Stroke:

56.0 mm x 50.6 mm

Compression Ratio:

9.0:1

Performance

Horsepower Output Claimed:

Approximately 26-28 hp @ 9,000 rpm (varies by market and tune)

Torque Output Claimed:

Approximately 2.0 kgf⋅m (19.6 Nm; 14.5 lb⋅ft) @ 7,500 rpm (estimate)

Fuel System

Carburetor Type:

Dual Mikuni VM22SS (or similar models, check specific market)

Fuel Capacity:

14 L (3.7 US gal)

🔧 Transmission

Standard

Transmission Type:

6-speed constant mesh

Features

Clutch Type:

Wet multi-plate

Final Drive:

Chain drive

📐 Dimensions

Exterior

Overall Length:

Approx. 2,060 mm (81.1 in)

Overall Width:

Approx. 730 mm (28.7 in)

Overall Height:

Approx. 1,050 mm (41.3 in)

Weights

Dry Weight:

Approx. 140 kg (309 lbs)

Wet Weight:

Approx. 150 kg (331 lbs) (estimated with fluids)

🛡️ Safety Features

Ratings

Safety Certification:

Meets DOT/ECE standards for motorcycles of its era

Active Features

Braking Front:

Disc brake

Braking Rear:

Drum brake

💡 Technology Features

Infotainment

Infotainment System:

N/A (Basic analog gauges)

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000-5,000 km (1,800-3,000 mi) or 6 months

Valve Clearance Check:

Every 6,000-10,000 km (3,700-6,000 mi)

Chain Adjustment Interval:

As needed, typically every 1,000-2,000 km (600-1,200 mi)

Fluid Specifications

Engine Oil Type:

SAE 10W-40 API SE or SF

Engine Oil Capacity:

Approx. 2.4 L (2.5 US qt) with filter change

Brake Fluid Type:

DOT 3 or DOT 4

Known Issues

Common Wear Items:

Carburetor synchronization, worn fork seals, aging electrical components, clutch wear

Engine Specific:

Potential for cam chain noise if not properly tensioned

📚 Vehicle History

Brand Heritage

Brand Origin:

Japan, established 1896 (originally shipbuilding)

Model Evolution

Predecessor Inspiration:

Kawasaki's lineage of parallel-twin engines, particularly the KZ series

Design Era:

Early 1980s sportbike styling

Production

Production Period:

Early 1980s (specific years for B1 model)

🏆 Awards & Recognition

Recognitions

Automotive Awards:

N/A (Focus on utility and performance rather than awards)