Engine Mechanical:
Top End (Cylinder Head, Valves, Camshafts), Bottom End (Crankshaft, Connecting Rods, Piston), Oil Pump, Lubrication System, Cooling System
Fuel System:
Fuel Injection System (Throttle Body, Injectors, Fuel Pump, Regulator), Fuel Tank, Fuel Lines
Ignition System:
Ignition Coils, Spark Plugs, ECU Control, Timing
Transmission Drivetrain:
Clutch System (Operation, Adjustment, Replacement), Gearbox Internals, Final Drive (Shaft Drive, Universal Joint)
Electrical System:
Wiring Diagrams, Battery, Charging System (Stator, Regulator/Rectifier), Lighting System, Starter Motor, Ignition Switch, Switches and Controls
Braking System:
Front and Rear Brakes (Disc Brakes), Hydraulic System, Brake Pads, Calipers, Master Cylinders, Brake Lines
Suspension Steering:
Front Forks (Internal Components, Seals, Oil), Rear Shock Absorber, Swingarm, Steering Head Bearings
Frame Bodywork:
Frame Inspection, Body Panels, Fenders, Seat, Handlebars, Fuel Tank Mounting
Exhaust System:
Exhaust Pipes, Mufflers, Emission Control Components
Wheels Tires:
Wheel Bearings, Tire Inspection and Replacement, Rim Specifications
Routine Maintenance:
Oil Changes, Filter Replacements, Chain Adjustment (if applicable, though this is shaft drive), Lubrication Points, Air Filter Service
Engine Repair:
Top End Rebuild, Bottom End Rebuild, Valve Adjustment, Piston Replacement, Crankshaft Bearing Service
Fuel System Service:
Fuel Injector Cleaning/Replacement, Throttle Body Cleaning, Fuel Pump Testing
Transmission Service:
Clutch Service and Adjustment, Gearbox Oil Change, Shaft Drive Oil Change
Electrical Diagnostics:
Troubleshooting Electrical Faults, Charging System Testing, Lighting Circuit Repair
Brake Service:
Brake Pad Replacement, Brake Fluid Flush and Bleed, Caliper Rebuild
Suspension Fork Service:
Front Fork Seal Replacement, Fork Oil Change and Level Adjustment
Steering Head Service:
Steering Head Bearing Inspection and Replacement
Troubleshooting Guides:
Diagnostic Charts for Common Problems, Symptom-Based Troubleshooting
Wiring Diagrams:
Comprehensive Electrical Schematics for All Circuits
Depth:
Comprehensive from basic maintenance to full engine and transmission rebuilds, including detailed diagnostic procedures.
Engine Type:
Air-cooled, 4-stroke, SOHC, V-twin
Displacement:
1670 cc (102 cubic inches)
Bore X Stroke:
97.0 mm x 113.0 mm
Horsepower Approximate:
98 HP @ 5,750 RPM
Torque Approximate:
111.5 lb-ft @ 3,750 RPM
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline, minimum 87 octane
Oil Type:
Yamalube 4 (or equivalent) SAE 20W-40 API SG or higher motorcycle oil
Oil Capacity With Filter Change:
4.0 Liters (4.2 US qt)
Cooling Method:
Air-cooled
Engine Oil Change:
Every 6,000 km (3,700 miles) or 6 months, whichever comes first.
Oil Filter Replacement:
At every engine oil change.
Air Filter Inspection:
Every 6,000 km (3,700 miles)
Air Filter Replacement:
As needed, or every 18,000 km (11,000 miles)
Spark Plug Replacement:
Every 12,000 km (7,500 miles)
Final Drive Oil Change:
Every 12,000 km (7,500 miles) or 12 months
Brake Fluid:
DOT 3 or DOT 4
Fork Oil Type:
Yamaha Fork Oil G-10 (or equivalent SAE 10W)
Fork Oil Level:
161 mm (6.34 in)
Potential Issues:
Occasional stator failure, regulator/rectifier issues, front fork seal leaks under hard use.
Maintenance Focus Areas:
Regular checks of electrical connections, proper brake fluid maintenance, and fork servicing are key for longevity.
