Yamaha GT80 B
Complete Technical Specifications
Yamaha
Off-Road
🏍️
Engine
72 cc (often marketed as 80cc)cc
⚡
Power
4.9 HP @ 6500-7000 RPM (Approximately)HP
⛽
Mileage
Approximately 40 km/Lkm/l
💰
Price
৳0
ℹ️ Basic Information
Engine Type
Single-Cylinder, Two-Stroke, Piston-Reed Valve
Controller Type
Not Applicable (Carburetor)
Transmission Type
Manual
Clutch Type
Wet Multi-Plate
Drive Type
Chain
Brand
Yamaha
Model
GT80 B
Bike Name
Yamaha GT80 B
Model Year
Approximately 1975 (Model series: 1973–1982)
Category/Type
Mini Enduro / Off-Road (Dual Sport in some markets)
Country of Origin
Japan
Assembly Location
Not Available (Historically Japan)
Status
Discontinued/Vintage (Not officially available new in BD)
Colors Available
Historically Red, Orange, or Blue (Vintage-specific)
Battery Type
Lead-Acid (Vintage Standard: 6N4-2A-2 or similar)
Charger Type
Not Applicable
Seat Type
Single-Seat, Long Bench (Standard)
Handle Type
High-Rise Pipe Handlebar (Off-road style)
Frame Type
Steel, Full-Cradle
Swingarm Type
Twin Shock / Conventional Swingarm
🔧 Engine & Performance
Displacement (cc)
72 cc (often marketed as 80cc)
Maximum Power
4.9 HP @ 6500-7000 RPM (Approximately)
Maximum Torque
6.1 Nm @ 6000-7200 RPM (Approximately)
Peak Power
N/A
Number of Cylinders
1
Valve Configuration
Two-Stroke (No conventional valves)
Valves Per Cylinder
N/A
Bore
47.0 mm
Stroke
42.0 mm
Bore x Stroke
47.0 mm x 42.0 mm
Compression Ratio
6.0:1 (Approximate)
Cooling System
Air Cooled
Fuel Supply System
Carburetor
Ignition System
CDI (Capacitor Discharge Ignition) or Breaker Point
Engine Layout
Standard
Engine Oil Grade
Two-Stroke Oil (Injection or Pre-mix)
Valve Adjustment Interval
N/A
Starting System
Kick starter
Engine Kill Switch
Yes (Typically Standard)
Power-to-Weight Ratio
Approximately 0.083 HP/kg
Power Consumption
N/A
Motor Power
N/A
Emission Standard
Not Available (Pre-Standard Era)
Battery Power
N/A
Power Mode Indicator
N/A
⛽ Fuel & Mileage
Engine Oil Capacity
Not Available (Separate Oil Tank for Auto-Lube)
Fuel Tank Capacity
Not Available (Tank capacity typically around 5-6 Liters)
Fuel Economy
Approximately 40 km/L (User reported average)
Average Mileage
Approximately 40 km/L
Mileage City
N/A
Mileage Highway
N/A
Load Capacity
N/A
Battery Capacity
N/A
Range
N/A
Range Indicator
N/A
Range Per Charge (Eco)
N/A
Range Per Charge (Normal)
N/A
Range Per Charge (Sport)
N/A
Low Fuel Warning
Reserve Fuel Petcock (Manual)
🏁 Performance & Speed
Top Speed
Approximately 90 km/h
Acceleration (0-60)
N/A
Acceleration (0-100)
N/A
Quick Shifter
N/A
Launch Control
N/A
Traction Control
N/A
⚙️ Transmission & Drive
Number of Gears
4
Gear Pattern
1-N-2-3-4 (Typical)
Gear Ratios
N/A
Primary Drive
N/A
Final Drive
Chain
Drive Chain/Belt Type
Chain (Size 420 historically)
Chain/Belt Life
N/A
📏 Dimensions & Weight
Overall Length
N/A
Overall Width
N/A
Overall Height
N/A
Wheelbase
N/A
Ground Clearance
Not Available (High clearance for off-road)
Seat Height
N/A
Step-up Seat Height
N/A
Kerb Weight
59–65 kg (Dry/Curb Weight varies by model year)
Gross Weight
N/A
Battery Weight
N/A
🛑 Brakes & Safety
Front Brake Type
Expanding drum brake, 127 mm
Rear Brake Type
Expanding drum brake, 127 mm
Front Brake Size
N/A
Rear Brake Size
N/A
ABS Type
N/A
Brake Pad Life
Not Applicable (Uses Brake Shoe)
Braking Distance
N/A
Regenerative Braking
N/A
Anti-Theft System
N/A
Central Lock
N/A
Remote Lock
N/A
Handle Lock
Yes
Steering Lock
Yes
🛠️ Suspension & Handling
Front Suspension Type
Telescopic Fork
Rear Suspension Type
Twin Shock Absorbers
Front Suspension Travel
Not Available (Approx 100mm on later models)
Rear Suspension Travel
N/A
Adjustable Controls
N/A
Climbing Ability
Not Available (Good for a mini-enduro)
🛞 Wheels & Tires
Front Tyre Size
2.50-15 (Approximate)
Rear Tyre Size
2.75-14 (Approximate)
Front Wheel Size
N/A
Rear Wheel Size
N/A
Tyre Type
Tube Type
Tyre Brand
N/A
Tyre Life
N/A
Wheel Type
Spoke
Wheel Material
N/A
🔋 Electrical & Battery
Motor Efficiency
N/A
Motor Life
N/A
Motor Placement
N/A
Motor Controller
N/A
Controller Voltage
N/A
Controller Life
N/A
Battery Voltage
6V (Historical Standard)
Battery Rating
N/A
Battery Life
N/A
Battery Warranty
N/A
Battery Removable
N/A
Battery Replacement Cost
N/A
Battery Health Check
N/A
Battery Life Indicator
N/A
Battery Management System
N/A
Charging Time
N/A
Charging Port
N/A
Charging Input
N/A
Fast Charging
N/A
USB Charging
N/A
💡 Lighting & Display
Error Code Display
N/A
Headlight Type
Halogen
Tail Light Type
Halogen
Turn Signal Type
Halogen
DRL
N/A
Hazard Light
N/A
Display Type
Analog
Speedometer Type
Analog
Odometer Type
Mechanical Trip Meter/Odometer
Tachometer Type
N/A
Fuel Gauge Type
N/A
Clock
N/A
Pass Light Switch
N/A
Side Stand Indicator
N/A
📱 Technology & Features
Trip Meter
Yes (Mechanical)
Mobile Connectivity
N/A
Bluetooth Features
N/A
Navigation
N/A
Riding Modes
N/A
Parking Mode
N/A
Reverse Mode
N/A
🪑 Comfort & Ergonomics
Wind Protection
N/A
Pillion Seat
Possible (Long bench seat)
Pillion Footrest
Yes
Pillion Grab Rails
N/A
Footpeg Position
Standard
Storage Compartments
N/A
Under Seat Storage
N/A
💰 Pricing & Availability
Ex-showroom Price
Not Available (Discontinued/Vintage)
On-Road Price
Not Available (Used market dependent)
Regular Price
Not Available
Special Price
N/A
Registration Cost
Used Vehicle Rules Apply
Insurance Cost
Used Vehicle Rules Apply
EMI Options
N/A
Distributor/Seller
Used Market/Private Sellers
Service Cost
Varies (Specialist mechanic required)
Running Cost
Moderate (Two-stroke engine requires oil pre-mix or injection)
🔧 Service & Maintenance
Air Filter Service Interval
Not Available (Simple Foam/Mesh type, regular cleaning needed)
Service Reminder
N/A
Spare Parts Availability
Very Difficult (Only aftermarket or used vintage parts)
Service Intervals
N/A (Based on traditional maintenance schedule)
Warranty Terms
Not Available (Vintage, no new warranty)