Positioning:
The Yamaha RAZZ was a popular scooter during its production run, known for its reliability and ease of use. This manual targets owners and independent mechanics seeking detailed repair and maintenance information.
Competition:
Competed with other 50cc scooters of the era, such as Honda's elite series and various European and Japanese models, focusing on urban mobility and fuel efficiency.
Highlight:
Step-by-step procedures, detailed diagrams, troubleshooting guides, and factory specifications make this manual an indispensable resource for maintaining the 1987 Yamaha RAZZ.
Engine:
Complete engine overhaul, tuning, carburetor, ignition system, lubrication, cooling
Transmission:
Automatic transmission (CVT), clutch, drive system
Chassis:
Frame, suspension (front forks, rear shock), steering, wheels, tires
Brakes:
Front and rear brake system maintenance and repair (drum/disc depending on configuration)
Electrical:
Wiring diagrams, lighting system, battery, starter, charging system, switches
Fuel System:
Fuel tank, fuel lines, fuel filter, carburetor adjustments
Exhaust System:
Muffler, exhaust pipe maintenance
Bodywork:
Fairings, body panels, seat, handlebars, controls
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug service, chain adjustment (if applicable)
Troubleshooting:
Diagnostic procedures for common issues, symptom-based troubleshooting guides
Repair:
Step-by-step instructions for component removal, installation, and repair
Rebuild:
Engine rebuild procedures, transmission overhaul
Adjustments:
Carburetor tuning, idle speed adjustment, brake adjustments
Depth:
Comprehensive, covering all aspects from basic maintenance to complete engine and transmission rebuilds. Includes detailed diagrams and specifications.
Engine Type:
2-stroke, air-cooled, single cylinder
Displacement:
Approximately 49cc
Bore X Stroke:
Specifications typically available in manual (e.g., 39.0mm x 41.4mm)
Compression Ratio:
Specifications typically available in manual
Horsepower:
Approx. 4-5 HP (factory figures)
Torque:
Specifications typically available in manual
Carburetor:
Single Mikuni carburetor (specific model number in manual)
Fuel Type:
Unleaded gasoline (minimum octane rating specified in manual)
Oil Type:
2-stroke engine oil (e.g., Yamalube 2-stroke oil or equivalent API TC)
Ignition System:
CDI (Capacitor Discharge Ignition)
Cooling Method:
Air-cooled
Overall Length:
Specifications typically available in manual (e.g., around 1700mm)
Overall Width:
Specifications typically available in manual (e.g., around 650mm)
Overall Height:
Specifications typically available in manual (e.g., around 1050mm)
Dry Weight:
Specifications typically available in manual (e.g., around 65-70 kg)
Wet Weight:
Specifications typically available in manual (including fluids)
Gross Vehicle Weight Rating:
Specifications typically available in manual
Safety Certification:
Relevant regional safety certifications (e.g., DOT, European standards as applicable)
Braking System:
Front and rear drum brakes (typical for this model, check manual for disc option variations)
Lighting:
Headlight, taillight, brake light, turn signals
Frame Construction:
Steel frame
Features:
Basic instrumentation: speedometer, odometer, fuel gauge (if applicable), indicator lights.
Features:
N/A (Basic scooter design, no advanced driver assistance systems).
Features:
N/A (No electronic connectivity features).
Oil Change Interval:
Every 1,000-2,000 km or annually (refer to manual for precise interval and oil type/grade)
Spark Plug Service:
Check and clean/replace every 2,000-3,000 km (refer to manual for correct plug type and gap)
Air Filter Cleaning:
Check and clean every 1,000 km, replace as needed (refer to manual for cleaning procedure and replacement part number)
Transmission Oil Change:
Refer to manual for specific interval and type (usually gear oil for reduction gears)
Engine Oil Grade:
Specific 2-stroke oil meeting API TC or JASO FD standards (e.g., Yamalube 2-stroke oil)
Gear Oil Grade:
Refer to manual for specific gear oil grade (e.g., SAE 80 or SAE 90)
Brake Fluid Type:
DOT 3 or DOT 4 (if hydraulic brakes are present, check manual)
Common Problems:
Carburetor clogging due to infrequent use, worn drive belt, electrical connector corrosion, stator issues, exhaust carbon buildup.
Preventative Maintenance Tips:
Regular use is recommended to prevent fuel system issues. Use of fuel stabilizer during storage. Keep battery terminals clean and charged.
Heritage:
Yamaha Motor Company is a Japanese manufacturer renowned for its motorcycles, musical instruments, and marine products. Established in 1955, Yamaha has a long history of innovation in the powersports industry.
Razz Lineage:
The RAZZ (also known as 'Towny' in some markets) was part of Yamaha's strategy to offer user-friendly, lightweight scooters for urban commuting. It typically featured a simple, reliable two-stroke engine and automatic transmission.
Production Years:
Mid-to-late 1980s (specific start and end years may vary by market, 1987 is a key model year covered)
Manufacturing Location:
Japan
