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Enduro - Offroad · 1972

100 G4TR

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MotoLibrary Score
38 /100 Commuter
Power/Weight
0.14 hp/kg
Top Speed
107 km/h
Torque
12 Nm
Engine
99 ccm

1972 Kawasaki 100 G4TR Technical Analysis & Specification Breakdown

Engineered by Kawasaki for the enduro - offroad motorcycle segment, the 1972 Kawasaki 100 G4TR pairs a 99 cc (6 cu in) air-cooled single cylinder, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 11.5 HP (8.4 kW) at 8,000 rpm while maximum torque reaches 11.5 Nm (8.4 lb-ft) at 7,000 rpm, transferring power to the rear wheel through a 10-speed gearbox and chain final drive. With a specific output of 116.2 HP per liter and a 1,000 rpm working window between peak torque (7,000 rpm) and peak power (8,000 rpm), the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

On the scales, the 100 G4TR measures 84 kg (185 lbs) dry, translating to a power-to-weight ratio of 0.14 HP/kg (7.3 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,270 mm (50 in) wheelbase engineered for quick, flickable steering geometry. The 9.46-liter (2.5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 107 km/h (66 mph).

Specific Output
116.2 HP/L
Power-to-Weight
0.14 HP/kg (7.3 kg/HP)
Power Band Window
7,000–8,000 rpm
Engine
Displacement 99.0 ccm (6.04 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Single cylinder, two-stroke
Power 11.5 HP (8.4 kW)) @ 8000 RPM
Torque 11.5 Nm (1.2 kgf-m or 8.4 ft.lbs) @ 7000 RPM
Compression 7.0:1
Bore x Stroke 49.5 x 51.8 mm (1.9 x 2.0 inches)
Fuel System Carburettor. Mikuni VM19 sc
Fuel Control Rotary valves
Ignition Fly wheel magneto
Cooling Air
Transmission
Gearbox 10-speed
Final Drive Chain (final drive)
Clutch Wet plate
Performance
Top Speed 107.0 km/h (66.5 mph)
Chassis
Rake 27.5°
Trail 100 mm (3.9 inches)
Wheelbase 1270 mm (50.0 inches)
Ground Clearance 239 mm (9.4 inches)
Wheels & Brakes
Front Tyre 100/90-19
Rear Tyre 100/90-19
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake)
Dimensions & Weight
Dry Weight 84.0 kg (185.2 pounds)
Power/Weight 0.1369 HP/kg
Overall Height 1062 mm (41.8 inches)
Overall Length 1948 mm (76.7 inches)
Overall Width 840 mm (33.1 inches)
Fuel Capacity 9.46 litres (2.50 US gallons)
Other
Starter Kick
Notes

Bike has dual range gear box giving 10 gears.

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Power
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Torque
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Weight
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Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
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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
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