Engine System:
Detailed information on the 1100cc V-twin engine, including disassembly, assembly, inspection, and repair of components such as pistons, cylinders, crankshaft, camshafts, valves, and cooling system.
Fuel System:
Coverage of the carburetor system (likely dual Mikuni CV carburetors), fuel pump, fuel lines, and fuel tank maintenance and troubleshooting.
Transmission System:
Procedures for transmission inspection, maintenance, clutch service, gear inspection, and repair, including gear ratios and shift mechanism details.
Electrical System:
Wiring diagrams, ignition system service, charging system (stator, regulator/rectifier), lighting systems, starter system, battery maintenance, and troubleshooting electrical faults.
Brake System:
Front and rear brake system service, including hydraulic systems, brake caliper maintenance, brake pad replacement, brake fluid specifications, and bleeding procedures.
Suspension System:
Front fork service (oil changes, seal replacement), rear shock absorber maintenance, and adjustment procedures.
Chassis And Frame:
Frame inspection, steering head bearing service, and general chassis component maintenance.
Wheel And Tire System:
Tire inspection, replacement, wheel bearing service, and spoke tension adjustment for spoke wheels.
Exhaust System:
Exhaust pipe and muffler inspection, gasket replacement, and proper torque specifications.
Bodywork And Trim:
Information on removal and installation of body panels, fenders, fuel tank, seat, and other cosmetic components.
Routine Maintenance:
Detailed procedures for oil changes, filter replacements, air filter cleaning/replacement, spark plug replacement, lubrication points, and brake system checks.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, including symptom identification and corrective actions.
Engine Rebuild:
Complete step-by-step instructions for engine disassembly, internal component inspection, part replacement, and reassembly for full engine overhauls.
Carburetor Adjustment:
Specific instructions for synchronizing and adjusting the carburetors for optimal performance and fuel efficiency.
Clutch Service:
Procedures for clutch plate replacement, clutch adjustment, and inspection of clutch components.
Electrical Diagnostics:
Guidance on using multimeters and test equipment to diagnose electrical system faults, including starter motor, ignition, and charging system issues.
Suspension Overhaul:
Detailed instructions for fork seal replacement, damper rod service, and rear shock absorber maintenance.
Brake Bleeding:
Correct procedures for bleeding air from the hydraulic brake systems.
Wheel Bearing Replacement:
Instructions for servicing and replacing wheel bearings.
Final Drive Maintenance:
Procedures for driveshaft, final drive gear inspection, and lubrication.
Depth Of Coverage:
Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds. Includes detailed diagrams, torque specifications, and diagnostic flowcharts.
Engine Type:
Air-cooled, 4-stroke, SOHC, 4-valve, V-twin
Displacement:
1063 cc (65.0 cubic inches)
Bore X Stroke:
95.0 mm x 75.0 mm
Horsepower:
Approximately 61 hp @ 5750 rpm (claimed)
Torque:
Approximately 66.7 ft-lbs @ 3750 rpm (claimed)
Carburetion:
Dual Mikuni BSR40, Constant Velocity (CV) carburetors
Fuel Tank Capacity:
4.0 US gallons (15.0 liters)
Oil Capacity:
3.7 US quarts (3.5 liters) with filter change
Recommended Oil Type:
Yamalube 4 (or equivalent) SAE 20W-40 API SG or higher.
Engine Oil Change:
Every 3,000 miles (5,000 km) or 6 months, whichever comes first.
Oil Filter Replacement:
Every engine oil change.
Air Filter Cleaning:
Every 3,000 miles (5,000 km) or 6 months.
Spark Plug Replacement:
Every 6,000 miles (10,000 km).
Brake Fluid Change:
Every 2 years, or as needed if contaminated.
Fork Oil Change:
Recommended every 10,000-12,000 miles (16,000-20,000 km) or if performance degrades.
Engine Oil Specification:
Yamalube 4 (or equivalent) SAE 20W-40 API SG or higher.
Brake Fluid Specification:
DOT 3 or DOT 4 hydraulic brake fluid.
Fork Oil Specification:
Yamaha Fork Oil 10W (or equivalent).
Transmission Oil Specification:
Yamalube Gear Oil 80W-90 (or equivalent).
Common Wear Items:
Brake pads, tires, clutch plates, and fork seals are common wear items.
Carburetor Issues:
Carburetor synchronization can drift over time, requiring periodic adjustment. Diaphragms can also degrade, leading to poor performance.
Electrical Connections:
Corrosion can sometimes affect electrical connectors, leading to intermittent issues. Regular inspection and dielectric grease are recommended.