Category:
Sport Touring Motorcycle
Target Audience:
Enthusiasts, DIY mechanics, professional technicians.
Key Selling Points:
Powerful engine, comfortable ergonomics for long distances, versatile performance.
Manual Purpose:
To provide detailed data, characteristics, instructions, and methodology for repair interventions.
Manual Benefit Diy:
Empowers DIY enthusiasts with comprehensive, step-by-step procedures.
Manual Benefit Professional:
Serves as a quick reference and diagnostic tool for professional mechanics.
Manual Design:
Easy-to-read format with simplified explanations.
Engine Mechanical:
Disassembly, assembly, inspection, repair, and adjustment of engine components (cylinder head, cylinder block, crankshaft, pistons, connecting rods, valves).
Fuel System:
Carburetor specifications, tuning, fuel pump, fuel filter, fuel tank, fuel lines.
Ignition System:
Spark plugs, ignition timing, CDI unit, ignition coils.
Cooling System:
Radiator, coolant, water pump, thermostat, cooling fan operation.
Transmission:
Clutch operation, gearbox disassembly, assembly, inspection, gear ratios, shift mechanism.
Chassis And Frame:
Frame inspection, front fork assembly, rear suspension, swingarm, steering system.
Braking System:
Brake caliper, master cylinder, brake pads, brake discs, brake fluid, bleeding procedures.
Electrical System:
Wiring diagrams, battery, starter motor, alternator, lighting system, indicators, horn, fuses.
Bodywork And Trim:
Fairing removal and installation, seat, fuel tank cover, body panels.
Wheels And Tires:
Wheel bearing inspection, tire specifications, wheel removal and installation.
Maintenance:
Periodic maintenance checks, oil changes, filter replacements, lubrication points, chain adjustment.
Troubleshooting:
Diagnostic guides for common problems, symptom analysis, fault finding procedures.
Repair:
Step-by-step instructions for component disassembly, repair, and reassembly.
Installation:
Correct procedures for installing new or serviced components.
Adjustment:
Detailed procedures for adjusting carburetors, clutch, throttle, brake levers, suspension.
Depth Level:
Comprehensive (from basic maintenance to full engine rebuilds and electrical diagnostics).
Visual Aids:
Pictorial diagrams, exploded diagrams, drawings, and photos for procedures and component identification.
Special Tools:
Identification and usage instructions for required special service tools.
Specifications:
Detailed service data, factory specifications, allowable limits for all components.
Engine Type:
Liquid-cooled, 4-stroke, DOHC, 5-valve per cylinder, inline four-cylinder
Bore X Stroke:
74.0 mm x 58.0 mm
Compression Ratio:
11.1:1
Horsepower Est:
Approx. 140 hp @ 9,000 rpm (at crankshaft, depending on market tuning)
Torque Est:
Approx. 10.7 kg-m (105 Nm, 77.5 lb-ft) @ 6,500 rpm (at crankshaft, depending on market tuning)
Carburetor Type:
Four Mikuni CVKD37 carburetors
Fuel Capacity:
20 Liters (5.3 US gallons)
Oil Type Recommendation:
Yamalube 4-stroke motorcycle oil (or equivalent API SG or higher, JASO MA)
Oil Capacity With Filter:
3.7 Liters (3.9 US qt)
Spark Plug Gap:
0.7 - 0.8 mm (0.028 - 0.031 in)
Spark Plug Type:
CR9EK (NGK) or equivalent
Safety Standard Compliance:
Adheres to all applicable safety regulations for its class.
Braking System Front:
Dual 298 mm discs with 4-piston calipers (ABS optional in some markets).
Braking System Rear:
Single 267 mm disc with 2-piston caliper.
Suspension Front:
Telescopic, 43mm stanchion tube, adjustable preload and rebound damping.
Suspension Rear:
Monoshock, adjustable preload and rebound damping.
Lighting System:
Halogen headlight, LED taillight, clear lens turn signals.
Frame Construction:
Aluminum Deltabox frame for rigidity and light weight.
Safety Emphasis:
Manual emphasizes observing DANGER, CAUTION, and NOTE remarks for safe operation.
Oil Change Interval:
Every 6,000 km (3,700 miles) or 6 months, whichever comes first.
Air Filter Check Interval:
Every 6,000 km (3,700 miles)
Spark Plug Replacement Interval:
Every 12,000 km (7,500 miles) or as indicated by inspection.
Chain Lubrication And Adjustment:
Every 1,000 km (600 miles) or after washing/rain.
Coolant Type:
Permanent type antifreeze coolant (50% solution) - refer to manual for specific Yamaha coolant or equivalent.
Common Wear Items:
Clutch wear, carburetor synchronization drift, suspension seals, rear shock absorber.
Carburetor Issues:
Can require periodic synchronization and cleaning for optimal performance.
Charging System:
Some early models may have had issues with stator or regulator/rectifier longevity; manual covers testing.
Part Quality:
Use of genuine Yamaha parts is recommended for reliability and optimal performance.
Record Keeping:
Importance of maintaining complete service records highlighted in the manual.
