Model Segment:
Full-size, Japanese touring motorcycle.
Target Audience:
Touring riders, long-distance commuters, and enthusiasts seeking a comfortable and capable large-displacement V-twin.
Key Competitors:
Honda Gold Wing, Yamaha Venture Royal Star, Kawasaki Voyager.
Design Philosophy:
Emphasis on comfortable, stable touring with ample power for highway cruising.
Unique Selling Points:
V-twin engine character, comfortable seating for rider and passenger, ample storage, and a distinct styling.
Engine Overhaul:
Complete engine disassembly, inspection, repair, and reassembly procedures.
General Information:
Includes torque specifications, general maintenance, safety precautions, and unit conversions.
Transmission Service:
Gearbox inspection, repair, clutch service, and related adjustments.
Chassis And Frame:
Frame inspection, alignment, and repair procedures.
Lighting System:
Headlight, taillight, and indicator system diagnostics and repair.
Steering System:
Handlebar, steering head bearing maintenance and adjustment.
Seat System:
Seat removal, installation, and related components.
Clutch Operation:
Clutch lever, cable, and internal clutch component service.
Suspension Service:
Front fork maintenance, rear shock absorber service, and linkage adjustments.
Locks And Security:
Ignition switch, steering lock, and luggage compartment lock service.
Brake System Maintenance:
Front and rear brake pad replacement, caliper service, fluid flushing, and bleeding.
Lubrication Points:
Detailed lubrication requirements and schedules for all moving parts.
Electrical System Diagnostics:
Wiring diagrams, component testing, ignition system, charging system, and starter motor troubleshooting.
Frame And Bodywork:
Body panel removal, installation, and repair.
Fuel System Service:
Carburetor cleaning, adjustment, fuel pump, and fuel line maintenance.
Battery And Charging:
Battery testing, charging system checks, and component replacement.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, spark plug service, and general inspection checks.
Troubleshooting Guides:
Step-by-step guides for diagnosing common and uncommon mechanical and electrical issues.
Engine Rebuild Procedures:
Detailed instructions for complete engine disassembly and reassembly, including piston, ring, and valve service.
Carburetor Tuning:
Procedures for cleaning, synchronizing, and adjusting carburetors for optimal performance.
Electrical Component Testing:
Methods for testing ignition coils, starter motors, alternators, and other electrical parts.
Suspension Adjustment:
Instructions for adjusting front forks and rear shock absorbers for different riding conditions.
Brake System Overhaul:
Complete instructions for overhauling brake calipers, master cylinders, and fluid lines.
Wheel And Tire Service:
Tire replacement, wheel balancing, and spoke tensioning.
Wiring Diagram Interpretation:
Detailed wiring diagrams with explanations for troubleshooting electrical circuits.
Diagnostics:
Advanced diagnostic procedures for identifying root causes of malfunctions.
Repair And Rebuild:
Comprehensive repair and complete rebuild procedures for all major components.
Specifications And Tolerances:
Precise torque values, clearance specifications, and material tolerances for all parts.
Engine Type:
V-twin, 4-stroke, liquid-cooled, SOHC, 2 valves per cylinder
Displacement:
1360 cc (83.0 cubic inches)
Bore X Stroke:
90.0 mm x 107.0 mm (3.54 in x 4.21 in)
Horsepower:
Approximately 80-90 HP (estimation based on similar era models and displacement)
Torque:
Approximately 80-90 lb-ft (estimation based on similar era models and displacement)
Fuel Delivery:
Two Mikuni BS34 carburetors
Fuel Tank Capacity:
Approximately 5.3 US gallons (20.0 liters)
Oil Capacity:
Approximately 4.2 US quarts (4.0 liters) with filter change
Recommended Oil Type:
API SE, SF, SG, SH, SJ or higher, SAE 20W-40 or 10W-40 (refer to manual for specific viscosity under different temperature conditions)
Engine Oil Change:
Every 3,000-5,000 miles or 6 months, whichever comes first (refer to manual for exact recommendation).
Air Filter Cleaning Or Replacement:
Every 6,000-10,000 miles (or more frequently in dusty conditions).
Spark Plug Replacement:
Every 10,000-15,000 miles.
Brake Fluid Flush:
Every 12-24 months.
Coolant Type:
Ethylene glycol-based antifreeze (50/50 mix with distilled water).
Brake Fluid Type:
DOT 3 or DOT 4
Final Drive Oil:
Refer to manual; typically a GL-5 gear oil.
Carburetor Synchronization:
Carburetors can drift out of sync over time, leading to rough idling or poor throttle response. Regular synchronization is recommended.
Carburetor Leaks:
Diaphragm failures or worn seals can cause fuel leaks.
Cam Chain Tensioner:
Some models may experience cam chain noise if the automatic tensioner fails or wears.
Electrical Connections:
Corrosion in electrical connectors, especially on older bikes, can lead to intermittent electrical issues.
