Engine Mechanical:
Engine disassembly, assembly, inspection, piston, cylinder, crankshaft, camshaft, valve train.
Fuel System:
Carburetor systems (if applicable, though this model is fuel injected), fuel injection system, fuel pump, injectors, pressure regulator.
Ignition System:
Ignition coils, spark plugs, ECU control, timing.
Cooling System:
Radiator, coolant, water pump, thermostat, fan operation.
Exhaust System:
Exhaust pipes, mufflers, catalytic converter (if applicable).
Transmission Drivetrain:
Clutch operation, gearbox internals, shift mechanism, final drive (chain and sprocket).
Suspension Front:
Front fork (telescopic), damping adjustments, spring rates, seals, bushings.
Suspension Rear:
Monoshock rear suspension, linkage system, swingarm, spring preload and damping adjustments.
Brakes Front:
Dual disc brakes, calipers, master cylinder, brake lines, pads, rotors.
Brakes Rear:
Single disc brake, caliper, master cylinder, brake lines, pads, rotor.
Wheels Tires:
Wheel bearings, tire mounting, balancing, pressures.
Electrical System:
Wiring diagrams, battery, charging system (stator, rectifier/regulator), lighting, starting system (starter motor, solenoid).
Instrumentation Controls:
Dashboard instruments, switches, levers, throttle, clutch controls.
Frame Chassis:
Frame inspection, steering head bearing, alignment.
Bodywork Fairings:
Fairing removal and installation, fuel tank, seat, side covers.
Preventive Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, brake fluid changes, coolant checks.
Troubleshooting:
Diagnostic flowcharts for common problems, electrical system diagnostics, engine performance issues.
Engine Repair:
Top-end rebuilds, bottom-end rebuilds, valve clearance adjustment, piston and ring replacement.
Transmission Repair:
Clutch inspection and replacement, gearbox disassembly and reassembly.
Suspension Service:
Fork seal replacement, shock absorber service, linkage bearing maintenance.
Brake System Service:
Brake pad replacement, caliper servicing, master cylinder overhaul, brake bleeding.
Electrical Diagnostics:
Fault finding for lighting, charging, starting systems, wiring harness repairs.
Carburetor Fuel Injection Tuning:
Adjustment and servicing of fuel delivery systems.
Wheel Tire Service:
Tire changes, wheel bearing replacement, spoke tensioning (if applicable to wheel type).
Diagnostic Capability:
Advanced diagnostics for engine management and electrical systems.
Rebuild Capability:
Full engine and transmission rebuild procedures.
Engine Type:
Four-stroke, liquid-cooled, DOHC, four valves per cylinder
Displacement:
998 cc (60.9 cu. in.)
Bore X Stroke:
74.0 mm x 58.0 mm (2.9 in x 2.3 in)
Compression Ratio:
11.5:1
Horsepower Peak:
Approximately 140-143 hp (104-107 kW) at 10,000 rpm (claimed)
Torque Peak:
Approximately 99-101 Nm (73-74.5 lb-ft) at 7,500 rpm (claimed)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/95 RON
Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher, JASO MA
Spark Plug Type:
NGK CR9E / DENSO U27ESR-N (or equivalent)
Coolant Type:
High-quality ethylene glycol based coolant, 50% mixture with distilled water
Oil Filter Change:
Every 6,000 km (3,700 miles) or 6 months, whichever comes first.
Air Filter Cleaning Replacement:
Inspect every 6,000 km (3,700 miles), clean or replace as needed. Replace every 12,000 km (7,500 miles) if conditions are dusty.
Spark Plug Inspection Replacement:
Inspect every 12,000 km (7,500 miles), replace as needed. Check electrode gap.
Valve Clearance Check:
Every 24,000 km (15,000 miles)
Brake Fluid Replacement:
Every 12,000 km (7,500 miles) or 12 months, whichever comes first.
Coolant Replacement:
Every 24,000 km (15,000 miles) or 24 months, whichever comes first.
Chain Lubrication Adjustment:
Every 1,000 km (600 miles) and after washing or riding in rain.
Engine Oil Viscosity:
SAE 10W-40
Engine Oil Standard:
API SG or higher, JASO MA
Coolant Mixture:
50% ethylene glycol-based coolant / 50% distilled water
Common Wear Items:
Clutch wear, front fork seals, wheel bearings, regulator/rectifier.
Potential Faults:
Some early models may experience voltage regulator issues due to heat management. Check for stator output and regulator condition. Rear shock absorber may benefit from upgrade for heavy touring.
