Allround · 1990
GTO 125
MotoLibrary Score
41 /100 Commuter
Power
18 HP
Top Speed
144 km/h
Engine
124 ccm
Technical Overview
1990 Kawasaki GTO 125 Technical Analysis & Specification Breakdown
Built around Kawasaki's allround motorcycle platform, the 1990 Kawasaki GTO 125 utilizes a 124 cc (7.6 cu in) air-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 17.5 HP (12.8 kW), transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 141.1 HP per liter, the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.
Specific Output
141.1 HP/L
Engine
Displacement 124.0 ccm (7.57 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Single cylinder, two-stroke
Power 17.5 HP (12.8 kW))
Valves/Cylinder 0
Fuel System Carburettor
Fuel Control Rotary valves
Ignition CDI
Lubrication Separate lubrication with automatic oil pump
Cooling Air
Transmission
Gearbox 5-speed
Final Drive Chain (final drive)
Clutch Multiplate wet clutch in oil bath
Driveline Chain final drive
Chain Size 520
Performance
Top Speed 144.0 km/h (89.5 mph)
0-100 km/h 9.00 seconds
Chassis
Frame Type Steel
Dimensions & Weight
Oil Capacity 1.30 litres 2T reservoir / 0.80 L gearbox
Service & Fluids
Engine Oil 2-stroke synthetic motorcycle oil (API TC / JASO FC/FD)
Brake Fluid DOT 4
Spark Plugs NGK BR9EG / BR10EG
Battery 12V 4Ah (YTX4L-BS)
Other
Starter Kick
Electrical 12V 4Ah (YTX4L-BS)
More from Kawasaki
Rider Profile
Who Is This Bike For?
🟢
Beginner
A2 license compatible, manageable power.
🌍
Best For
All-Round & Adventure
Estimate
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