Vehicle Segment:
Underbone motorcycle, often referred to as a 'cub' or 'semi-automatic' motorcycle.
Target Audience:
Commuters, riders seeking economical and reliable transportation, DIY enthusiasts.
Key Competitors:
Honda Wave series, Suzuki Smash, Modenas Kriss, and other 110cc-135cc underbone motorcycles.
Manual Advantage:
Provides complete, detailed information for self-maintenance and repair, empowering owners to save on service costs and understand their vehicle deeply.
Vehicle Strengths:
Known for its fuel efficiency, durability, sporty styling, and good performance for its class.
Engine Systems:
Engine assembly, disassembly, troubleshooting, tuning, cooling system, lubrication system, fuel injection system (if applicable), carburetor system (if applicable), ignition system, starting system, exhaust system.
Transmission Drivetrain:
Clutch system, gearbox, final drive, chain drive maintenance.
Chassis Frame:
Frame inspection, suspension components (front fork, rear shock absorber), steering system, wheel bearings.
Braking System:
Front and rear brake mechanisms (disc or drum), brake fluid replacement, caliper overhaul, master cylinder service.
Electrical System:
Wiring diagrams, battery, lighting system (headlight, taillight, indicators), horn, instrumentation, starter motor, alternator/generator, CDI unit, sensors.
Bodywork Fittings:
Body panel removal and installation, seat, fuel tank, fairings, fenders, luggage rack (if applicable).
Maintenance Procedures:
Routine maintenance checks, oil changes, filter replacements (air, oil), spark plug replacement, chain adjustment and lubrication, tire pressure checks, brake adjustments.
Repair Procedures:
Detailed step-by-step instructions for component disassembly, inspection, repair, and reassembly of all major vehicle systems.
Troubleshooting Diagnostics:
Problem identification, common fault diagnosis, diagnostic charts, solutions for performance issues, electrical faults, starting problems.
Rebuild Refurbishment:
Complete engine rebuild procedures, gearbox overhauls, carburetor/fuel injection system restoration.
Specification Updates:
Torque specifications, clearance measurements, fluid capacities, valve timing, ignition timing adjustments.
Depth Of Information:
Comprehensive, covering from basic maintenance to complete engine rebuilds and advanced diagnostics.
Diagnostic Capabilities:
Detailed diagnostic flowcharts and explanations for identifying and resolving mechanical and electrical issues.
Precision Measurements:
Includes specific tolerances, clearances, and torque values critical for accurate assembly and performance.
Digital Format:
PDF (Portable Document Format)
Digital Quality:
High-resolution scans/digital production ensuring clarity of text and diagrams.
Digital Access:
Downloadable file, accessible on any PDF-compatible device.
Digital Features:
Searchable text, bookmarking capabilities, zoom functionality.
Engine Type:
Four-stroke, SOHC, air-cooled
Displacement:
Approximately 135cc (specific bore and stroke would be detailed in the manual)
Bore X Stroke:
Varies by specific model/year, typically around 54mm x 58.7mm (refer to manual for exact specs).
Compression Ratio:
Typically around 9.7:1 to 10.3:1 (refer to manual for exact specs).
Horsepower:
Approximately 11.4 hp @ 8,000 rpm (varies by market and specific model, manual provides precise figures).
Torque:
Approximately 11.7 Nm @ 6,000 rpm (varies by market and specific model, manual provides precise figures).
Fuel Delivery:
Fuel Injection (FI) or Carburetor (depending on model year and market). Manual covers both types if applicable.
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
Approximately 4.0 - 4.5 Liters (manual confirms exact capacity).
Overall Length:
Approx. 1,900-1,950 mm (varies by specific model, check manual)
Overall Width:
Approx. 700-750 mm (varies by specific model, check manual)
Overall Height:
Approx. 1,030-1,050 mm (varies by specific model, check manual)
Curb Weight:
Approx. 100-106 kg (varies by specific model, check manual)
Front Tire Size:
Typically 70/90-17
Rear Tire Size:
Typically 80/90-17 or 90/90-17
Wheelbase:
Approx. 1,240-1,250 mm
Engine Oil Change Interval:
Every 3,000-4,000 km or 3-4 months (refer to manual for exact mileage and oil type).
Air Filter Cleaning Replacement:
Check every 4,000 km, clean or replace as needed (refer to manual).
Spark Plug Replacement:
Typically every 8,000-12,000 km (refer to manual for correct type and gap).
Chain Maintenance:
Lubricate and adjust chain tension every 1,000 km or as needed.
Engine Oil Type:
Yamaha recommends Yamalube or equivalent API SG or higher, SAE 10W-40 or 20W-40 (refer to manual for precise specification).
Engine Oil Capacity:
Approximately 0.9 - 1.0 Liters (without filter change) / 1.1 Liters (with filter change) - confirm in manual.
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for specific recommendation).
Common Wear Items:
Clutch plates, spark plugs, air filter, chain and sprockets, brake pads due to frequent use.
Potential Engine Issues:
Valve clearance adjustment may be needed periodically; proper lubrication is crucial to prevent wear.
Electrical System Considerations:
Check battery terminals for corrosion, ensure wiring connections are secure.
