Engine Mechanical:
Top end, bottom end, cylinder, piston, crankshaft, camshafts, valve train, timing
Fuel System:
Fuel injection system (EFI), throttle body, fuel pump, fuel filter, fuel injectors, fuel pressure regulator
Ignition System:
Ignition coils, spark plugs, ignition control module (ICM), sensors
Exhaust System:
Exhaust pipes, mufflers, catalytic converter (if applicable), lambda sensors
Cooling System:
Radiator, coolant, fan, water pump, thermostat
Transmission:
Clutch operation, gear shifting mechanism, transmission internals, lubrication
Drivetrain:
Final drive, belt drive system, pulleys, belt tensioning
Chassis Frame:
Frame structure, front fork, rear suspension, swingarm, steering head bearings
Braking System:
Front and rear brake calipers, brake lines, master cylinders, brake pads, brake discs, hydraulic fluid
Wheels Tires:
Wheel bearing maintenance, tire pressure specifications, wheel balancing
Electrical System:
Battery, charging system (alternator/stator, regulator/rectifier), starter motor, lighting system, wiring diagrams, fuses, relays
Instruments Controls:
Dashboard instruments, switches, throttle cables, clutch cables, brake levers
Bodywork Fittings:
Fender removal/installation, seat, fuel tank, side covers, cosmetic components
Routine Maintenance:
Oil changes, filter replacements, chain adjustments, lubrication points, brake checks, fluid level checks
Troubleshooting:
Diagnostic procedures for common problems, fault codes (if applicable), systematic issue diagnosis
Disassembly Reassembly:
Step-by-step instructions for component removal and installation
Engine Rebuild:
Detailed procedures for engine overhaul, including torque specifications and clearances
Electrical Diagnostics:
Wiring diagrams, circuit testing, component testing, troubleshooting electrical faults
Suspension Fork Service:
Fork oil replacement, seal replacement, suspension tuning
Brake System Service:
Brake bleeding, pad replacement, caliper service, fluid flush
Fuel System Cleaning:
Fuel injector cleaning, throttle body cleaning procedures
Depth Level:
Comprehensive (includes factory-level detail)
Diagnostic Capabilities:
Advanced diagnostic strategies and component-level testing
Special Tools:
Identification of required special tools and their uses
Specifications Data:
Extensive list of torque values, clearances, fluid capacities, electrical values, and tolerances
Engine Type:
Air-cooled, 4-stroke, SOHC, 4-valve per cylinder, V-twin
Displacement:
1670cc (102 cubic inches)
Bore X Stroke:
97 mm x 113 mm
Carburetion:
Fuel Injection (Mikuni 40mm throttle body)
Horsepower:
Approximately 100 hp (peak, may vary slightly by source)
Torque:
Approximately 110 lb-ft (peak, may vary slightly by source)
Fuel Capacity:
4.0 US gal (15.1 L)
Fuel Type:
Unleaded gasoline, 91 octane or higher recommended
Engine Oil Change Interval:
Every 3,000 miles or 6 months, whichever comes first
Oil Filter Change Interval:
At every oil change
Belt Drive Tension Check:
Every 6,000 miles
Spark Plug Replacement Interval:
Every 12,000 miles
Brake Fluid Flush Interval:
Every 2 years or 12,000 miles
Engine Oil Type:
Yamalube 4 (or equivalent) SAE 20W-40 API SG or higher (check manual for precise viscosity and API rating)
Engine Oil Capacity:
Approximately 4.5 US qt (4.3 L) with filter change
Transmission Oil Type:
Yamaha Genuine Gear Oil (or equivalent) SAE 80 API GL-4
Transmission Oil Capacity:
Approximately 0.8 US qt (0.75 L)
Brake Fluid Type:
DOT 4 hydraulic brake fluid
Common Wear Items:
Belt drive wear, clutch plates, brake pads, steering head bearings
Potential Issues:
Regulator/rectifier failure (common on many motorcycles), occasional issues with fuel injection sensors, charging system components
