Vehicle Segment:
Underbone Motorcycle / Moped
Target Audience:
Enthusiasts, DIY mechanics, and owners seeking to maintain and repair their Yamaha T135.
Competitors Manuals:
Provides equivalent technical depth to factory service manuals from Honda (Supra X 125), Kawasaki (ZX-130), Suzuki (Smash).
Manual Benefits:
Enables self-sufficiency in maintenance and repairs, potentially saving costs. Facilitates understanding of vehicle systems.
Searchability:
Quickly locate information via search functionality within the PDF.
Engine Systems:
Engine disassembly, assembly, tuning, lubrication, cooling, and internal component inspection.
Fuel System:
Carburetor operation, adjustment, cleaning, and troubleshooting. Fuel line and tank inspection.
Chassis Systems:
Frame inspection, suspension (front and rear), steering system, wheel alignment, and general chassis components.
Electrical System:
Wiring diagrams, ignition system, lighting, charging system, starter system, fuses, and battery.
Cooling System:
Coolant flow, radiator, thermostat, and related components (if applicable to specific T135 variants covered).
Maintenance Procedures:
Periodic checks, lubrication, filter replacements, spark plug service, chain adjustment, brake adjustments.
Troubleshooting Procedures:
Systematic diagnosis of common problems, fault finding, and corrective actions.
Repair Procedures:
Detailed step-by-step instructions for component removal, repair, and reinstallation.
Diagnostic Capabilities:
Advanced diagnostics for engine performance, electrical faults, and mechanical issues.
Rebuild Instructions:
Comprehensive rebuild procedures for major components like the engine.
Engine Code:
Likely variations of the 5D0 or 4S3 engine family (specific code may vary by region and sub-model)
Bore X Stroke:
54.0 mm x 58.7 mm (typical for this displacement and configuration)
Compression Ratio:
Approximately 10.0:1 to 10.5:1 (typical for this engine type)
Horsepower Output:
Approximately 10-12 HP @ 8000-8500 RPM (estimated, specific to model variant and tuning)
Torque Output:
Approximately 10-11 Nm @ 6000-6500 RPM (estimated)
Carburetor Type:
Mikuni VM24 (typical for this model)
Fuel Requirement:
Unleaded gasoline, Octane Rating 91 or higher recommended.
Cooling Method:
Air-cooled (standard for most T135 variants, some may have oil-cooling assist).
Transmission Type:
4-speed rotary or constant mesh with wet multi-plate clutch
Automatic Transmission Availability:
N/A (Typically manual clutch operation)
Clutch Fluid Type:
Motorcycle-specific SAE 10W-30 API SE or higher (refer to manual for exact spec)
Overall Length:
Approximately 1900-1950 mm (model dependent)
Overall Width:
Approximately 700-730 mm (model dependent)
Overall Height:
Approximately 1050-1080 mm (model dependent)
Curb Weight:
Approximately 100-105 kg (model dependent)
Fuel Tank Capacity:
Approximately 4.0 - 4.5 Liters
Oil Capacity:
Approximately 0.9 - 1.0 Liters (with filter change)
Crash Test Ratings:
N/A (Motorcycle safety is primarily assessed through design and component reliability, not standardized crash tests as for cars).
Braking System Front:
Disc brake (Hydraulic, typically single caliper)
Braking System Rear:
Drum brake (typical) or Disc brake (on some higher variants)
Lighting System:
Halogen headlamp, LED tail lamp (variant dependent), turn signals.
Frame Construction:
Steel backbone frame for rigidity and rider safety.
Engine Oil Change:
Every 3,000 km or 3 months, whichever comes first.
Spark Plug Replacement:
Every 6,000 km or 6 months (recommend inspecting and cleaning more frequently).
Air Filter Cleaning:
Every 3,000 km or 3 months, replace as needed.
Chain Lubrication Adjustment:
Every 1,000 km or monthly.
Engine Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher.
Brake Fluid Type:
DOT 3 or DOT 4 (for hydraulic disc brakes).
Common Wear Items:
Clutch plates, sprockets and chain, brake pads, front fork seals (due to road conditions).
Carburetor Tuning Drift:
Carburetors may require occasional tuning adjustments due to atmospheric changes or wear.
Yamaha Legacy:
Yamaha Motor Company is renowned for its innovation in motorcycles, musical instruments, and marine products, with a long history of performance and reliability in motorsports.
T135 Introduction:
Introduced as a sport-oriented underbone to compete in the 130-150cc segment, emphasizing performance and agile handling.
Manufacturing Location:
Primarily manufactured in Southeast Asia (e.g., Indonesia, Malaysia, Thailand).
