MotoLibrary MotoLibrary
← Yamaha
Enduro - Offroad · 1979

AG100

User Rating: /5 · No user ratings yet ✓ Your rating was saved
MotoLibrary Score
38 /100 Commuter
Power/Weight
0.18 hp/kg
Top Speed
116 km/h
Torque
6 Nm
Engine
97 ccm

1979 Yamaha AG100 Technical Analysis & Specification Breakdown

Built around Yamaha's enduro - offroad motorcycle platform, the 1979 Yamaha AG100 utilizes a 97 cc (5.9 cu in) air-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 18 HP (13.1 kW) while maximum torque reaches 6 Nm (4.4 lb-ft), transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 185.6 HP per liter, the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.

On the scales, the AG100 measures 99 kg (218 lbs) dry, translating to a power-to-weight ratio of 0.18 HP/kg (5.5 kg per horsepower). The 11-liter (2.9 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 116 km/h (72 mph).

Specific Output
185.6 HP/L
Power-to-Weight
0.18 HP/kg (5.5 kg/HP)
Engine
Displacement 97.0 ccm (5.92 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Single cylinder, two-stroke
Power 18.0 HP (13.1 kW))
Torque 6.0 Nm (0.6 kgf-m or 4.4 ft.lbs)
Fuel System Carburettor. Mikuni
Fuel Control Single Overhead Cams (SOHC)
Ignition Digital CDI
Lubrication 2 Stroke Mix
Cooling Air
Max RPM 15000
Transmission
Gearbox 5-speed
Final Drive Chain (final drive)
Clutch Dry Plate
Performance
Top Speed 116.0 km/h (72.1 mph)
0-400m 16.00 seconds
0-100 km/h 19.00 seconds
Exhaust Single Power Pipe
Chassis
Frame Type Vibration Isolation System
Rear Suspension Yamaha Adjustables
Wheels & Brakes
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake)
Dimensions & Weight
Dry Weight 99.0 kg (218.3 pounds)
Power/Weight 0.1818 HP/kg
Fuel Capacity 11.00 litres (2.91 US gallons)
Other
Starter Kick
Color Options Orange, Yellow
More from Yamaha
Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
🌲
Best For
Off-Road & Adventure
⚖️
Handling
Very lightweight — easy to handle
Estimate

Ownership Cost Calculator

⛽ Fuel
per year
🔧 Maintenance
per year
🛡️ Insurance
per year
TOTAL

* Estimates only. Actual costs vary by country, riding habits, insurance provider and maintenance schedule.

MotoLibrary
🏠 Home 🔍 All Bikes 📂 Categories ⚖️ Compare 🎛️ Advanced Filter 🎯 Bike Finder 🎬 Videos 📰 Blog 📖 Glossary ℹ️ About

🍪 We use cookies for analytics & ads. Cookie Policy