Segment:
Lightweight Sportbike / Entry-level Performance Motorcycle
Target Audience:
Young riders, commuting, track day enthusiasts, vintage motorcycle collectors.
Key Competitors:
Aprilia RS 125, Yamaha TZR 125, Honda NSR 125, Suzuki RG 125, Gilera SP01.
Design Philosophy:
Aerodynamic, race-inspired styling with a potent 125cc 2-stroke engine for its class.
Performance Emphasis:
Lightweight chassis, capable handling, and strong top-end power delivery characteristic of 2-stroke performance.
Anniversary Edition:
Special edition likely featuring unique graphics, color schemes, or component upgrades to commemorate a milestone.
Engine:
Complete disassembly, inspection, assembly, tuning, troubleshooting of the 125cc 2-stroke engine.
Cooling System:
Liquid cooling system maintenance, component testing, coolant specifications.
Fuel System:
Carburetor (likely Dell'Orto PHBH/PHBL) overhaul, jetting, fuel pump, fuel lines.
Ignition System:
CDI ignition, spark plug specifications, timing, troubleshooting.
Transmission:
6-speed gearbox, clutch operation, lubrication, maintenance, troubleshooting.
Chassis Frame:
Frame inspection, geometry, related components.
Suspension Front:
Telescopic front fork (likely Marzocchi or Paioli), oil levels, seal replacement, adjustment.
Suspension Rear:
Monoshock rear suspension, linkage maintenance, shock absorber servicing, preload adjustment.
Brakes Front:
Hydraulic disc brake system, caliper maintenance, pad replacement, fluid bleeding, master cylinder overhaul.
Brakes Rear:
Hydraulic disc brake system, caliper maintenance, pad replacement, fluid bleeding, master cylinder overhaul.
Electrical System:
Wiring diagrams, battery maintenance, lighting, instrumentation, starter, charging system.
Bodywork Trim:
Fairing removal/installation, seating, fuel tank, plastics.
Wheels Tires:
Wheel bearing maintenance, tire pressure, rim specifications, spoke tension (if applicable).
Maintenance:
Scheduled maintenance checks, oil changes, filter replacements, lubrication points, chain adjustment.
Troubleshooting:
Diagnostic procedures for common and uncommon issues across all systems.
Repair:
Detailed step-by-step repair procedures for all major and minor components.
Overhaul:
Complete engine, carburetor, brake caliper, and suspension overhauls.
Adjustments:
Carburetor jetting adjustments, suspension settings, clutch and throttle cable adjustments.
Diagnostics:
Identification of faults, error codes (if applicable), and systematic diagnosis.
Depth Level:
Comprehensive: Covers routine maintenance, in-depth repairs, component overhauls, and advanced diagnostics.
Engine Type:
Liquid-cooled, 2-stroke, single-cylinder with Rotax 127 or Rotax 128 derived engine architecture.
Displacement:
124.8 cc (approximately)
Bore X Stroke:
54 mm x 54.5 mm (typical for Rotax 127/128 derived)
Compression Ratio:
12.5:1 (typical, varies slightly)
Horsepower:
Approximately 30-34 HP at 11,000-12,000 RPM (depending on year and market restrictions).
Torque:
Approximately 18-20 Nm at 10,500-11,500 RPM.
Carburetor Type:
Dell'Orto PHBH 28 or PHBL 28 (common for this application).
Fuel Delivery:
Gravity feed with electric fuel pump (likely on some models for tank height).
Fuel Type:
Unleaded gasoline, minimum Octane rating 95 (RON).
Oil Mixing:
Pre-mix or separate oil injection system (check specific model).
Safety Certifications:
CE marking (European Conformity) for road legality in many European countries.
Braking System:
Powerful dual disc front brakes and single disc rear brake for effective stopping power.
Handling Dynamics:
Sport-tuned suspension and frame geometry for agile and predictable handling.
Lighting:
Headlight, taillight, and turn signals for visibility.
Protective Fairings:
Aerodynamic fairing designed to improve stability at speed and offer some rider protection.
Oil Change Engine:
Every 3,000-5,000 km or annually (depending on usage).
Spark Plug Replacement:
Every 6,000-10,000 km (specific plug type critical).
Air Filter Cleaning:
Every 3,000-5,000 km, or more frequently in dusty conditions.
Chain Adjustment Lubrication:
Every 1,000-1,500 km, or more frequently after riding in wet conditions.
Brake Fluid Flush:
Every 2 years (DOT 4).
Coolant Flush:
Every 2-3 years (specific coolant type).
Engine Oil Type 2Stroke:
High-quality 2-stroke synthetic or semi-synthetic oil, specific JASO FD or TC rated (for pre-mix or injection).
Coolant Type:
Ethylene glycol based, anti-corrosive, with a 50/50 mix of distilled water. (e.g., Motul Motocool Expert or equivalent).
Carburetor Tuning:
Can be sensitive to altitude and temperature changes, requiring periodic jetting adjustments.
Power Valve Operation:
2-stroke power valves can be prone to carbon buildup, requiring periodic cleaning for optimal performance.
Electrical Connections:
Older wiring harnesses can degrade, leading to intermittent electrical faults. Corrosion in connectors is common.
Suspension Seals:
Fork and shock seals can wear over time, leading to leaks.
