Engine Mechanical:
Detailed inspection, disassembly, repair, and reassembly of the engine (V-twin, air-cooled), including cylinder heads, pistons, crankshaft, valves, timing system, and lubrication.
Fuel System:
Carburetor (Mikuni BS34) service, adjustment, cleaning, jetting, fuel pump operation, fuel tank inspection, and fuel line maintenance.
Ignition System:
CDI ignition system diagnosis, troubleshooting, component testing (coils, pickups), spark plug specifications, and timing adjustments.
Transmission Drivetrain:
Clutch operation, gear shifting mechanism, transmission gear inspection, bearing replacement, shaft alignment, and final drive (shaft drive) system maintenance.
Electrical System:
Wiring diagrams for all circuits, battery maintenance, starter motor, charging system (alternator, regulator/rectifier), lighting, ignition switch, and accessory circuits.
Brakes:
Front and rear brake system overhaul, hydraulic component testing (master cylinders, calipers), brake pad replacement, fluid bleeding procedures, and brake line inspection.
Suspension Steering:
Front fork (telescopic) servicing, oil replacement, seal replacement, rear shock absorber inspection and adjustment, swingarm bearing inspection, and steering head bearing maintenance.
Cooling System:
Air-cooled engine thermal management, cooling fin cleaning, and ambient temperature considerations.
Frame Chassis:
Frame inspection for damage, bolt torque specifications, and component mounting procedures.
Bodywork Trim:
Fairing, fuel tank, seat, fenders, and other body panel removal, installation, and repair procedures.
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, chain/shaft drive adjustment, brake inspections, tire pressure checks, and general lubrication.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, symptom-based troubleshooting guides, and fault code interpretation (if applicable).
Engine Rebuild:
Complete engine disassembly, component measurement, tolerance checks, part replacement, and reassembly with detailed torque specifications.
Transmission Repair:
Gearbox disassembly, inspection of gears, synchros (if applicable), bearings, and reassembly procedures.
Electrical Diagnostics:
Testing of individual electrical components, continuity checks, voltage drop testing, and troubleshooting of wiring harness issues.
Carburetor Tuning:
Idle speed adjustment, mixture screw settings, main jet and pilot jet selection, float height adjustment, and synchronizing dual carburetors.
Suspension Overhaul:
Front fork seal replacement, fork oil viscosity and level specifications, and rear shock absorber setup.
Brake System Service:
Brake caliper piston retraction, master cylinder seal replacement, and brake fluid type and bleeding sequences.
Bodywork Refinishing:
Removal and installation of body panels, trim pieces, and minor repair techniques for plastics and metal.
Depth:
Comprehensive, covering everything from basic rider maintenance to full engine and transmission rebuilds, including in-depth electrical system diagnostics and chassis component servicing.
Engine Type:
4-stroke, V-twin, Air-cooled, SOHC, 2 valves per cylinder
Displacement:
534 cc (32.5 cubic inches)
Bore X Stroke:
76.0 mm x 58.0 mm (approx.)
Compression Ratio:
9.5:1 (typical, may vary slightly by year)
Horsepower:
Approx. 40-46 HP @ 7500 RPM (varies by year/market)
Torque:
Approx. 43-45 Nm @ 6000 RPM (varies by year/market)
Carburetor Type:
Dual Mikuni BS34 (slide type, constant velocity)
Fuel Capacity:
Approx. 13.0 liters (3.4 US gallons)
Oil Change Interval:
Typically every 3,000-5,000 km (1,800-3,000 miles) or 6 months, whichever comes first. Consult manual for precise intervals.
Spark Plug Check Interval:
Every 5,000-10,000 km (3,000-6,000 miles).
Valve Clearance Check:
Typically at initial break-in and then every 10,000-20,000 km (6,000-12,000 miles).
Engine Oil Type:
Yamaha recommends Yamalube or an equivalent motorcycle-specific 4-stroke engine oil, SAE 10W-40 or 20W-50 depending on ambient temperature. Refer to manual for precise viscosity.
Engine Oil Capacity:
Approx. 2.6 liters (2.7 US qt) with filter change. Consult manual.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid. Always use fresh fluid.
Fork Oil Type Viscosity:
SAE 10W fork oil. Specific quantity per fork leg provided in manual.
Common Wear Items:
Clutch wear, carburetor idle circuits clogging, fork seal leaks, and shaft drive spline lubrication requiring periodic attention.
Electrical Considerations:
Age-related degradation of wiring insulation and connectors, particularly in high-vibration areas. Regulator/rectifier can be a point of failure.
Carburetor Performance:
Can be sensitive to fuel quality and require cleaning/re-jetting for optimal performance, especially if modifications have been made.