Alright, let’s dive into the detailed specifications of the Yamaha BWs/Zuma 50 (historical), aiming for a professional tone with a touch of emoji flair. 🛵💨

Yamaha BWs/Zuma 50 (Historical Specifications)

Engine: ⚙️

  • Displacement (cc): 49cc
  • Cylinder Configuration: Single Cylinder
  • Bore and Stroke: Typically around 40.0 x 39.2 mm (varied slightly by model year)
  • Compression Ratio: Approximately 7.0:1 (varied)
  • Valve Train: Piston Port (2-stroke)
  • Fuel Injection/Carburetion: Carburetor (Typically Mikuni) ⛽
  • Horsepower (HP): Approximately 3-4 HP (varied by generation and market) 🐎
  • Torque (Nm or lb-ft): Varies, but generally low, suited for urban use.
  • Redline (RPM): Varies, but designed for low to mid-range power.
  • Cooling System: Forced Air Cooling 🌬️
  • Engine Type: 2-stroke 💨

Transmission: ⛓️

  • Number of Gears: Continuously Variable Transmission (CVT) ⏩
  • Gear Ratio: Variable via CVT
  • Final Drive: Belt Drive ⚙️
  • Clutch Type: Centrifugal Clutch ⚙️
  • Quickshifter: Not applicable (CVT)

Chassis/Frame: 🛡️

  • Frame Type: Steel Tube Frame 🔩
  • Wheelbase: Approximately 1260 mm (varied)
  • Rake and Trail: Designed for agility and stability in urban environments.
  • Suspension (Front): Telescopic Fork 🔧
  • Suspension (Rear): Single Shock Absorber 🔧
  • Swingarm Type: Unit Swingarm 🔩
  • Ground Clearance: Designed for urban use, moderate clearance.
  • Seat Height: Approximately 735-780 mm (varied) 🪑
  • Dry Weight: Approximately 70-80 kg (varied) ⚖️
  • Wet Weight: Approximately 75-85 kg (varied)
  • Weight Distribution: Balanced for urban maneuverability.

Brakes: 🛑

  • Front Brake Type: Drum Brake or Disc Brake (varied by model year) 🧲
  • Rear Brake Type: Drum Brake 🧲
  • Brake Caliper Type: Single Piston (Disc models)
  • ABS (Anti-lock Braking System): Not available on most historical models.
  • Traction Control: Not available.

Wheels/Tires: 🏁

  • Front Wheel Size: 10-12 inches (varied) 🛞
  • Rear Wheel Size: 10-12 inches (varied) 🛞
  • Tire Type: Urban Scooter Tires 🛣️
  • Tire Size: Varies by model year and wheel size.
  • Tire Pressure: As specified in the owner’s manual.

Dimensions/Ergonomics: 📏

  • Overall Length, Width, Height: Varies, compact design for urban use.
  • Fuel Tank Capacity: Approximately 5-6 liters ⛽
  • Rider Ergonomics: Upright, comfortable for short trips.
  • Handlebar Width and Height: Designed for easy maneuverability. 🎚️
  • Footpeg Position: Floorboard design for comfort. 🦶
  • Windshield Height and Adjustability: Some models had small windscreens, adjustability rare. 💨

Electronics/Features: 💡

  • Instrument Cluster: Basic analog speedometer and fuel gauge. 📊
  • Riding Modes: Not applicable.
  • Cruise Control: Not applicable.
  • Heated Grips/Seat: Not applicable.
  • LED Lighting: Later models may have had some LED elements, primarily halogen. 💡
  • Bluetooth Connectivity: Not applicable.
  • GPS Navigation: Not applicable.
  • Keyless Ignition: Not applicable.
  • USB Charging Port: Not applicable.
  • Immobilizer: Not common on historical models.
  • Type of headlight: Halogen. 🔦
  • Type of tail light: Incandescent. 🏮
  • Mirror size and placement: Designed for visibility in urban traffic. 🪞
  • Horn loudness: Standard scooter horn. 📢
  • Side stand and center stand presence: Both typically present. 🦵
  • Tool kit included: Basic tool kit may have been included. 🛠️
  • Battery type and capacity: 12V lead-acid battery. 🔋
  • Alternator output: Designed for basic scooter electrical systems. ⚡

Performance Metrics: 🚀

  • Max Speed (Tested or Claimed): Approximately 50-60 km/h (30-37 mph) (varied). 💨
  • Acceleration (0-60 mph or 0-100 km/h): Not applicable, designed for urban acceleration.
  • Fuel Economy (MPG or L/100km): Approximately 40-50 km/L (varied). ⛽
  • Range (Distance on a full tank): Approximately 200-300 km (varied). 🛣️

Other Important Specs: 🛠️

  • Type of materials used in the bodywork: Plastic body panels. 🛡️
  • Paint quality: Durable, designed for urban wear. 🎨
  • Build quality: Robust, designed for everyday use. 🏗️
  • Service intervals: Regular maintenance required for 2-stroke engines. 🔧
  • Insurance cost: Typically low due to low displacement. 💰
  • Resale value: Varies based on condition and market. 💲
  • Crash bars and other protective equipment availability: Aftermarket options available. 🛡️
  • Luggage availability: Under-seat storage and aftermarket options. 📦
  • Heated gear power outlets: Not applicable.
  • Sound of the engine: Typical 2-stroke scooter sound. 🎶
  • Vibration levels: Moderate, typical for 2-stroke engines. 震
  • Emissions Standards: Varies by market and year, often less stringent than modern standards. 🌍
  • Turning Radius: Excellent, designed for tight turns. 🔄
  • Cargo Capacity: Under-seat storage, and some models had rear racks. 📦
  • Passenger Capacity: Designed for two passengers. 👫
  • Warranty: Varies by market and year. 📜
  • Price: Varies based on model year and condition. 💵
  • Availability of aftermarket parts: Generally good, especially for popular models. 🔩