Motorcycle Segment:
Performance-oriented commuter/sport motorcycle, popular in many Asian markets.
Competitors:
Honda CB series, Kawasaki AR series, Suzuki FXR series of similar displacement and era.
Notable Features:
Known for its reliable 135cc 2-stroke engine, sporty handling, and lightweight chassis. The 1L5 engine designation is a key identifier.
Benefit To Owner:
Empowers owners and independent workshops to perform all necessary maintenance and repairs, reducing reliance on costly dealership services and extending the motorcycle's lifespan.
Licensing Model:
One-time purchase with no extra fees or expiry dates for the digital download.
Primary Coverage:
Full Service, Repair, Workshop
Specific Coverage Areas:
All repairs, servicing, diagnostics, troubleshooting, overhaul
Estimated Page Count:
Professional workshop manuals for this era and type of motorcycle are typically comprehensive, often ranging from 300 to 600+ pages.
Type:
Factory Service Manual / Workshop Manual
Language:
English (presumed based on typical market for such manuals)
Engine Systems:
Engine teardown and reassembly, carburetor tuning and overhaul, ignition system diagnostics, lubrication system, cooling system (if applicable, though this is typically air-cooled), performance tuning
Transmission Drivetrain:
Clutch operation and adjustment, gearbox disassembly and reassembly, final drive maintenance (chain/sprockets)
Chassis Suspension:
Front fork service and overhaul, rear shock absorber replacement/service, frame inspection, wheel bearing maintenance
Braking System:
Brake fluid replacement, caliper service, master cylinder overhaul, brake pad replacement, drum brake adjustment
Electrical System:
Wiring diagrams, lighting system troubleshooting, charging system (stator, regulator/rectifier), battery maintenance, ignition coil testing, horn, starter motor
Fuel System:
Fuel tank maintenance, fuel line inspection, carburetor (specific models like Mikuni VM series) cleaning and jetting
Bodywork Cosmetics:
Panel removal and installation, seat, fairings (if applicable), fenders
Maintenance Procedures:
Oil changes, filter replacements, spark plug replacement, chain adjustment, air filter cleaning/replacement, brake adjustments, clutch adjustments, cable lubrication
Repair Procedures:
Engine rebuilds, transmission overhauls, suspension rebuilds, electrical component replacement, carburetor tuning and rebuilds
Troubleshooting:
Diagnostic charts, common problem identification and resolution
Special Tools:
The manual will list any Yamaha-specific or generally required special tools for accurate repairs and diagnostics (e.g., flywheel puller, engine alignment tools).
Depth:
Comprehensive, covering routine maintenance to full engine and component overhauls. Includes torque specifications, clearances, and detailed assembly/disassembly sequences.
Searchability:
Likely text-searchable PDF for efficient information retrieval.
Quality:
Assumed to be high-quality digital scans or original factory layouts, suitable for printing.
Format Type:
Digital Download (PDF)
Physical Format Equivalent:
Equivalent to professionally printed, wire-bound workshop manuals.
Completeness:
States 'Complete Factory Service Repair Workshop Manual', implying all aspects from basic checks to full overhauls.
Engine Type:
2-stroke, Single Cylinder
Displacement:
135 cc (cubic centimeters)
Cooling System:
Air-cooled
Bore X Stroke:
Specifications will be detailed within the manual, critical for engine rebuilds.
Engine Designation:
1L5 (This is a key identifier for this specific engine variant)
Horsepower:
Varies by market and specific variant, typically in the 12-15 HP range.
Torque:
Detailed specifications available in the manual.
Carburetor Type:
Likely a Mikuni VM series single carburetor, specification (e.g., VM28) will be detailed.
Fuel Delivery:
Gravity feed from fuel tank via petcock
Ignition Type:
CDI (Capacitor Discharge Ignition)
Lubrication Type:
Pre-mix or Autolube (oil injection system). Manual will clarify the specific implementation for the 1L5.
Overall Length:
Specifications will be detailed in the manual, typical for this class of motorcycle.
Overall Width:
Specifications will be detailed in the manual.
Overall Height:
Specifications will be detailed in the manual.
Dry Weight:
Typically around 100-115 kg, precise figure in the manual.
Wet Weight:
Will be detailed in the manual, including all fluids.
Front Tire Size:
Commonly 2.75-18 or similar. Exact specification in manual.
Rear Tire Size:
Commonly 3.00-17 or 3.25-17. Exact specification in manual.
Wheel Type:
Spoked wheels are typical, with specific rim sizes (e.g., 18-inch front, 17-inch rear).
Safety Features:
As a motorcycle of this era, safety features are primarily based on mechanical design and rider control. ABS or advanced electronic aids are not expected.
Braking System Type:
Front: Disc brake. Rear: Drum brake (common for this model). Manual will confirm specifics and maintenance.
Lighting System:
Headlight, taillight, brake lights, turn signals. Electrical section covers diagnostics.
Instrument Panel:
Analog speedometer, tachometer, odometer, engine temperature warning light (if applicable), neutral indicator, turn signal indicators.
Rider Aids:
None expected for this model year and class.
Digital Features:
None expected.
Oil Change Interval:
Typically every 2,000-3,000 km or 6 months. Specifics in manual.
Spark Plug Replacement:
Every 5,000-10,000 km, depending on plug type. Manual will list recommended plugs (e.g., NGK BR9ES/BR10ES).
Chain Maintenance:
Lubrication and tension check every 500-1000 km. Replacement interval varies greatly with care.
Engine Oil Type:
For the autolube system (if equipped), specify 2-stroke motorcycle oil meeting JASO FD or API TC standards. For gearbox, SAE 80W-90 gear oil is typical.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid for the front hydraulic brake. Manual will confirm.
Common Problems:
Carburetor jetting issues due to ethanol fuels, carbon build-up in the exhaust port and piston ring grooves (common for 2-strokes), worn clutch plates, leaks from engine seals, electrical connection corrosion.
2 Stroke Care:
Regular decarbonizing of exhaust ports and piston crown, proper oil-to-fuel ratio (if premix), and avoiding prolonged idling are crucial for 2-stroke longevity.
Yamaha Motorcycles:
Yamaha has a long history in motorcycle manufacturing, known for innovation and performance, particularly in 2-stroke technology and racing.
Rx Series Legacy:
The RX series has been a popular line of sport motorcycles for Yamaha, evolving through various displacements and features. The RX-G 135 is a key model in this lineage.
Manufacturing Regions:
Primarily manufactured and sold in Asian markets, such as Indonesia and Malaysia, where 2-stroke performance bikes were highly popular.
