Years Covered:
1986, 1987, 1988, 1989, 1990
Estimated Page Count:
High (Detailed manuals for this era typically range from 300-600+ pages, depending on specific revisions.)
Type:
Full Service Repair Manual
Delivery Method:
Instant Download
Printability:
Full Printable
Software Requirements:
Adobe PDF Reader, WinRAR (or equivalent decompression utility)
Operating System Compatibility:
All Versions of Windows & Mac
Engine:
Engine disassembly, assembly, tuning, troubleshooting, performance specifications.
Fuel System:
Carburetor overhaul, fuel pump, fuel lines, fuel tank service.
Ignition System:
Ignition timing, coil testing, spark plug specifications, CDI unit service.
Transmission:
Gearbox inspection, clutch service, shift linkage adjustment, lubrication.
Cooling System:
Radiator, fan, coolant, thermostat service.
Exhaust System:
Muffler, pipes, heat shields inspection and replacement.
Brakes:
Front and rear brake caliper service, master cylinder, brake lines, pad replacement, bleeding procedures.
Suspension:
Front fork service, rear shock absorber overhaul, linkage maintenance.
Steering:
Handlebar components, steering head bearing adjustment and replacement.
Electrical System:
Wiring diagrams, battery service, charging system, lighting, starter motor, instrument cluster troubleshooting.
Frame And Bodywork:
Frame inspection, body panel removal/installation, seat, fairing service.
Wheels And Tires:
Wheel bearing service, tire pressure, rim inspection.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain adjustment, lubrication points.
Troubleshooting:
Diagnostic procedures for common issues, electrical gremlins, engine performance problems.
Repair:
Step-by-step repair instructions for all major components and systems.
Rebuild:
Comprehensive guidance for engine, transmission, and suspension rebuilds.
Diagnostics:
Electrical diagnostics, engine performance diagnostics, using diagnostic tools (if applicable).
Depth:
Professional Technician Level, suitable for experienced DIY mechanics.
Features:
Detailed sub-steps, notes, cautions, warnings, numbered instructions, bold figure numbers, enlarged insets for detailed parts examination.
Engine Type:
Liquid-cooled, four-stroke, DOHC, inline-four cylinder
Bore X Stroke:
62.0 mm x 49.5 mm
Compression Ratio:
9.7:1 (Typical)
Horsepower Output:
Approximately 62-65 HP @ 9,000 RPM (Varies slightly by year and tune)
Torque Output:
Approximately 37-39 lb-ft @ 7,500 RPM (Varies slightly by year and tune)
Carburetors:
Four Mikuni BS32 (or similar) constant-velocity carburetors
Fuel Type:
Unleaded gasoline, 87 octane or higher recommended
Oil Type Recommendation:
Yamaha Hi-Performance 10W-40 (or equivalent API SE, SF, or SG service classification)
Engine Serial Number Location:
Typically stamped on the crankcase, near the transmission housing.
Length:
Approximately 84.3 inches (2140 mm)
Width:
Approximately 31.1 inches (790 mm)
Height:
Approximately 48.4 inches (1230 mm)
Dry Weight:
Approximately 425 lbs (193 kg)
Wet Weight:
Approximately 459 lbs (208 kg)
Fuel Capacity:
4.0 US gallons (15 liters)
Oil Capacity:
2.6 US quarts (2.5 liters) with filter change
Front Tire:
110/80-17 M/C 57H (Tubeless)
Rear Tire:
130/80-18 M/C 66H (Tubeless)
Wheelbase:
Approximately 57.9 inches (1470 mm)
Crash Test Information:
Motorcycle safety is primarily based on rider skill and adherence to safe riding practices. Formal crash test ratings are not typically applicable or available for motorcycles of this era.
Braking System:
Dual hydraulic disc front brakes, Single hydraulic disc rear brake. Excellent stopping power for its class.
Lighting:
Halogen headlamp, taillight, brake light, and turn signals for enhanced visibility.
Engine Oil Change:
Every 3,000 miles (5,000 km) or 6 months, whichever comes first.
Oil Filter Change:
Every 3,000 miles (5,000 km) or 6 months (with oil change).
Spark Plug Replacement:
Every 7,500 miles (12,000 km) (NGK CR9E or equivalent recommended).
Air Filter Cleaning/Replacement:
Inspect every 3,000 miles (5,000 km), clean or replace as needed.
Chain Lubrication And Adjustment:
Every 500 miles (800 km) or after riding in the rain.
Valve Clearance Check:
Every 15,000 miles (24,000 km)
Coolant:
Permanent type antifreeze solution (50/50 mix of ethylene glycol and distilled water).
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid.
Common Wear Items:
Clutch wear, fork seal leaks, carburetor synchronization issues, potential charging system output degradation over time.
Electrical Reliability:
As with many motorcycles of this era, electrical connections and grounds may require periodic cleaning and inspection for optimal performance.
Yamaha Legacy:
Yamaha Motor Company, established in 1955, has a rich history in motorcycle manufacturing, known for innovation, performance, and reliability across various segments.
Predecessors:
The YX600 Radian was developed as a successor to Yamaha's FZ600, offering a more comfortable and versatile riding experience with a sport-touring focus.
Competitor Influence:
The design aimed to capture the growing market segment for motorcycles that could handle both spirited riding and longer-distance journeys.
Production Years:
1986-1990
Manufacturing Location:
Japan