Engine Mechanical:
Complete engine overhaul, including cylinder head, pistons, connecting rods, crankshaft, valve train, timing system, lubrication system.
Engine Management:
Fuel injection system (EFI), ignition system, emissions control, sensor diagnostics and troubleshooting, ECU functions.
Transmission:
Gearbox disassembly, inspection, repair, clutch operation and adjustment, shift mechanism.
Brakes:
Front and rear brake system maintenance, caliper overhaul, master cylinder, bleeding procedures, pad and disc replacement.
Suspension And Steering:
Front forks (telescopic, possibly USD depending on variant), rear shock absorber, swingarm, steering head bearings, linkage.
Electrical System:
Wiring diagrams, battery maintenance, charging system (alternator/stator), starter motor, lighting, instrumentation, fuses, relays.
Cooling System:
Radiator, fan operation, coolant hoses, thermostat, water pump maintenance.
Fuel System:
Fuel tank, fuel pump, fuel filter, fuel injectors, fuel pressure regulation.
Exhaust System:
Exhaust pipe, muffler, catalytic converter (if applicable), mounting and inspection.
Bodywork And Frame:
Fairings, seat, fuel tank removal, frame inspection, bolt torque specifications.
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, chain adjustment, tire pressure, brake fluid checks.
Troubleshooting:
Diagnostic flowcharts for common starting, running, and electrical issues.
Repair Procedures:
Step-by-step guides for component removal, installation, and overhaul.
Torque Specifications:
Critical torque values for all major fasteners and components.
Wiring Diagrams:
Detailed electrical schematics for all systems.
Suspension Adjustment:
Instructions for adjusting rear shock pre-load and damping (if applicable), fork oil level and changes.
Depth:
Comprehensive, covering from basic scheduled maintenance to full engine and transmission rebuilds, including electrical diagnostics.
Diagnostic Tools:
Details diagnostic procedures, including the use of basic tools and interpretation of fault codes if applicable to the EFI system.
Engine Type:
Single-cylinder, four-stroke
Bore X Stroke:
100 mm x 82 mm (typical for Rotax 655 engine)
Valve Train:
DOHC, 4 valves per cylinder
Compression Ratio:
Approx. 10.0:1
Horsepower:
Approx. 48-50 HP @ 6500-7000 RPM (varies slightly by year/market)
Torque:
Approx. 58-60 Nm @ 5000-5500 RPM (varies slightly by year/market)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline (95 RON recommended)
Ignition System:
Electronic ignition with dual spark plugs
Oil Change Interval:
Every 5,000 - 7,500 km or annually.
Valve Clearance Check:
Every 10,000 - 15,000 km.
Chain Maintenance:
Clean and lubricate every 500 km or after riding in wet conditions. Adjust tension as needed (typically 20-30mm play).
Air Filter Replacement:
Check every 5,000 km, replace as needed or every 10,000-15,000 km.
Engine Oil Type:
SAE 10W-40 or 15W-50, API SG or higher, JASO MA compatible.
Engine Oil Capacity:
Approx. 2.2 - 2.5 liters (with filter change).
Coolant Type:
Ethylene glycol-based coolant (e.g., Motul Motocool Expert, Castrol Radicool)
Coolant Capacity:
Approx. 1.2 - 1.5 liters.
Transmission Oil Type:
SAE 75W-90 or 80W-90 GL-5 gear oil.
Transmission Oil Capacity:
Approx. 0.7 - 0.8 liters.
Common Problems:
Stator failure (charging system), voltage regulator issues, starter solenoid problems, occasional fuel pump issues, chain wear if not maintained.
Maintenance Tips:
Regular cleaning of the cooling system fins and diligent chain maintenance are crucial for longevity.