Engine Overhaul:
Complete disassembly, inspection, repair, and reassembly of the 610cc engine.
Fuel System:
Carburetor(s) tuning, cleaning, and overhaul; fuel pump, fuel lines, and fuel tank maintenance.
Ignition System:
Spark plug specifications, ignition timing, coil and CDI unit testing.
Cooling System:
Radiator, coolant, hoses, thermostat, and fan (if applicable) inspection and service.
Exhaust System:
Muffler, header pipe inspection and replacement; gasket service.
Transmission:
Gearbox disassembly, inspection, lubrication, and reassembly; clutch operation and adjustment.
Electrical System:
Wiring diagrams, battery maintenance, charging system (stator, rectifier/regulator), starter motor, lighting system, and switchgear.
Suspension Front:
Fork disassembly, oil change, seal replacement, spring inspection; steering head bearing service.
Suspension Rear:
Monoshock absorber service, linkage lubrication, swingarm bearing inspection.
Brakes Front:
Caliper overhaul, brake pad replacement, rotor inspection, master cylinder service, brake line maintenance.
Brakes Rear:
Caliper overhaul, brake pad replacement, rotor inspection, master cylinder service, brake line maintenance.
Wheels And Tires:
Spoke tensioning, wheel bearing service, tire mounting and balancing, rim inspection.
Frame And Bodywork:
Chassis inspection, fairing removal and installation, seat maintenance.
Routine Maintenance:
Oil and filter changes, chain adjustment and lubrication, air filter cleaning/replacement, brake fluid checks, coolant checks.
Troubleshooting Guides:
Diagnostic procedures for common running issues, starting problems, and system failures.
Engine Repair:
Top-end rebuild (piston, rings, cylinder), bottom-end overhaul (crankshaft, bearings).
Carburetor Adjustment:
Idle speed, air/fuel mixture, jetting recommendations.
Suspension Tuning:
Fork oil viscosity and level adjustments, spring preload.
Brake Bleeding:
Step-by-step instructions for hydraulic brake systems.
Electrical Diagnostics:
Using multimeters, testing components, interpreting wiring diagrams.
Chassis Inspection:
Frame alignment, swingarm pivot, steering head bearings.
Special Tools:
Identification and usage of any specialized tools required for maintenance and repair.
Depth:
Comprehensive, covering all aspects from basic maintenance to full engine and component overhauls.
Diagnostic Capability:
Advanced diagnostic procedures and troubleshooting trees for various symptoms.
Specifications Detail:
Torque values, clearances, fluid capacities, electrical resistance values.
Wiring Diagrams:
Detailed electrical system schematics for easy troubleshooting.
Torque Specifications:
Comprehensive list of torque values for all critical fasteners.
Engine Type:
Four-stroke, single-cylinder, liquid-cooled
Displacement:
Approximately 576cc (common for the 610 designation in that era)
Bore X Stroke:
Specifics vary, but typically around 92 mm x 86 mm
Valvetrain:
SOHC, 4 valves
Horsepower Estimated:
Approx. 45-50 HP (performance figures vary based on tuning and specific model year)
Torque Estimated:
Approx. 45-50 Nm
Carburetor Type:
Typically a single Mikuni VM or TM series carburetor (e.g., TM40).
Fuel Capacity Tank:
Typically around 10-12 liters (2.6-3.2 gallons), depending on factory or aftermarket tank.
Fuel Type:
Unleaded gasoline, typically 95-98 RON (Octane rating should be confirmed in manual).
Oil Change Interval:
Typically every 3,000-5,000 km or annually (refer to manual for exact specification).
Air Filter Cleaning:
Every 1,000-2,000 km or after dusty rides.
Spark Plug Replacement:
Approximately every 6,000-10,000 km, depending on type and usage.
Valve Clearance Check:
Every 5,000-10,000 km (critical for single-cylinder engines).
Engine Oil Type:
API SG/SH or higher, SAE 10W-40 or 15W-50 (confirm in manual, often a quality motorcycle-specific oil).
Engine Oil Capacity:
Approx. 1.5-1.8 liters with filter change (verify in manual).
Coolant Type:
Ethylene glycol-based antifreeze mixture (50/50 with distilled water).
Brake Fluid Type:
DOT 4 hydraulic brake fluid.
Fork Oil Type:
Typically SAE 5W or 10W suspension fluid (specific viscosity critical).
Common Wear Items:
Clutch plates, fork seals, wheel bearings, chain and sprockets.
Potential Engine Concerns:
Valve seat wear, cam chain tensioner issues (less common but possible), carburetor jetting sensitivity.
Electrical Quirks:
Corrosion in connectors, regulator/rectifier failure (common on many bikes of this era).