Engine Mechanical:
Complete disassembly, inspection, repair, and reassembly of all engine components including cylinder head, pistons, crankshaft, camshafts, valves, timing system, and cooling system.
Fuel System Injection:
Diagnosis and repair of fuel pump, injectors, throttle body, sensors (TPS, MAP, IAT), ECU, and fuel filter replacement.
Ignition System:
Spark plug specifications, ignition coil testing, ECU control of ignition timing.
Transmission Gearbox:
Gearbox removal, inspection, replacement of gears, shafts, bearings, and seals. Clutch component service.
Drivetrain Final Drive:
Shaft drive system maintenance, including gear oil specifications and checks, and universal joint service.
Brake System Hydraulic:
Brake fluid type and bleeding procedures, caliper and master cylinder service, disc and pad replacement, ABS system diagnostics (if applicable).
Suspension Front Forks:
Fork oil type and level, seal replacement, damping system adjustment, spring replacement.
Suspension Rear Shock:
Shock absorber service, linkage maintenance, spring preload adjustment.
Steering Headset:
Steering bearing inspection, adjustment, and replacement.
Electrical Charging System:
Stator, regulator/rectifier testing, battery specifications and testing.
Electrical Lighting Signals:
Headlight, taillight, turn signals, brake light troubleshooting and bulb replacement.
Electrical Instruments Gauges:
Speedometer, tachometer, fuel gauge, warning lights diagnosis and repair.
Electrical Wiring Diagrams:
Detailed wiring diagrams for all electrical circuits, facilitating troubleshooting.
Chassis Frame:
Frame inspection for damage, component mounting points.
Bodywork Trim:
Fairing, tank, fender, seat removal and installation, plastic trim service.
Wheels Tires:
Tire pressure specifications, wheel bearing inspection and replacement, rim service.
Locks Ignition:
Key system, ignition switch, steering lock service.
Preventative Maintenance:
Scheduled maintenance checks, lubrication points, filter replacements, fluid changes.
Troubleshooting Diagnostics:
Step-by-step diagnostic procedures for common problems, symptom-based troubleshooting guides.
Engine Rebuild:
Detailed instructions for complete engine overhaul, including torque specifications, clearances, and assembly sequences.
Transmission Overhaul:
Procedures for gearbox and clutch assembly/disassembly and repair.
Suspension Overhaul:
Front fork and rear shock absorber servicing, including seal and oil replacement.
Electrical System Repair:
Diagnosis and repair of all electrical components and circuits.
Brake System Maintenance:
Brake bleeding, pad replacement, caliper service.
Fuel System Cleaning:
Fuel injector cleaning and fuel system component inspection.
Wheel Tire Service:
Wheel bearing replacement, tire installation advice.
Depth:
Comprehensive, suitable for professional technicians and advanced DIY mechanics. Covers everything from routine maintenance to complete engine and chassis rebuilds.
Engine Type:
Air-cooled, 4-stroke, SOHC, 4-valve V-twin
Displacement:
1854cc (113.1 cubic inches)
Bore X Stroke:
97.0 mm x 122.0 mm (3.82 in x 4.80 in)
Fuel Induction:
Fuel Injection with Electronic Ignition (ECI)
Horsepower:
Approx. 99.5 HP @ 5250 RPM (varies by model and region)
Torque:
Approx. 126 ft-lbs @ 3500 RPM (varies by model and region)
Fuel Delivery:
Mikuni 43mm throttle body with dual injectors
Fuel Tank Capacity:
4.7 gallons (17.8 L)
Oil Type:
Yamalube 20W-40 API SG or higher (refer to manual for specific grade)
Oil Capacity With Filter:
4.00 US qt (3.8 L)
First Service:
600 miles (1,000 km) or 1 month.
Subsequent Services:
Every 3,700 miles (6,000 km) or 6 months, whichever comes first. Specific items may have different intervals.
Engine Oil Change:
Every 3,700 miles (6,000 km) or 6 months.
Air Filter Inspection:
Every 3,700 miles (6,000 km).
Spark Plug Replacement:
Refer to manual, typically around 12,000-18,000 miles (20,000-30,000 km).
Brake Fluid:
DOT 4 (refer to manual for exact specification).
Fork Oil:
Yamalube Fork Oil (or equivalent) with specific viscosity and level, detailed in manual.
Final Drive Gear Oil:
Yamalube Gear Oil (or equivalent) SAE 80 API GL-4 (refer to manual for exact specification).
Common Wear Items:
Brake pads, tires, clutch plates (depending on riding style), wheel bearings.
Potential Electrical:
While generally reliable, potential for regulator/rectifier issues exists on some older models, as with many V-twins. The manual provides diagnostic steps.