Segment:
Cruiser Motorcycle
Target Audience:
Owner-maintainers, independent repair shops, and enthusiasts
Comparison Points:
Provides technical depth comparable to OEM service manuals for its era
Highlight:
Comprehensive coverage for a long production run
Content Focus:
Focuses on practical repair and maintenance tasks
Engine:
Complete disassembly, assembly, tuning, and troubleshooting
Fuel System:
Carburetor overhaul, adjustment, fuel pump, fuel lines
Transmission:
Clutch, gearbox, final drive inspection and repair
Electrical System:
Ignition system, charging system, lighting, wiring diagrams, starter motor
Chassis And Suspension:
Front fork, rear shock absorbers, steering system, wheel bearings
Braking System:
Front and rear brake caliper, master cylinder, brake lines, bleeding procedures
Body And Frame:
Frame inspection, body panels, seat, fenders, fuel tank removal and installation
Cooling System:
Air-cooled engine management, cooling fins inspection
Maintenance:
Scheduled maintenance, oil changes, filter replacement, chain adjustment, spark plug replacement
Troubleshooting:
Diagnostic charts, common problems and solutions
Repair:
Complete step-by-step disassembly and reassembly instructions
Diagnostics:
Fault finding and repair for all major systems
Depth:
Complete overhaul and rebuild procedures
Detail Level:
Includes detailed illustrations, exploded views, and part diagrams
Data Inclusion:
Comprehensive torque specifications for all fasteners
Configuration:
V-twin, four-stroke
Bore X Stroke:
76.0 mm x 58.0 mm
Valve Train:
SOHC, 4 valves per cylinder
Cooling System:
Air-cooled
Horsepower:
Approx. 40 HP (varies slightly by year/market)
Torque:
Approx. 42 Nm (varies slightly by year/market)
Carburetion:
Dual Mikuni B27-26 carburetors
Fuel Delivery:
Mechanical fuel pump
Type:
CDI (Capacitor Discharge Ignition)
Rating System:
N/A (Motorcycle safety is not rated like cars)
Braking System:
Front: Hydraulic disc, Rear: Drum brake (some later models may have optional disc)
Lighting:
Headlight, taillight, brake light, turn signals
Oil Change Interval:
Every 4,000 km (2,500 miles) or 6 months
Air Filter Inspection:
Every 4,000 km (2,500 miles)
Spark Plug Replacement:
Every 10,000 km (6,000 miles)
Valve Clearance Check:
Every 10,000 km (6,000 miles)
Brake Fluid Change:
Every 2 years
Engine Oil Type:
Yamalube 4 or equivalent API SG, SAE 20W-40
Brake Fluid Type:
DOT 3 or DOT 4
Engine Oil Capacity With Filter:
Approx. 1.7 L (0.45 US gal)
Engine Oil Capacity Without Filter:
Approx. 1.5 L (0.40 US gal)
Carburetor:
Can become gummed up if fuel sits for extended periods; pilot jets susceptible to clogging.
Electrical:
Some models may experience regulator/rectifier issues, though less common than other Yamahas of the era.
Fuel System:
Fuel tank rust is possible in older units if not maintained properly.
Suspension:
Fork seals can wear over time, leading to leaks.
