Kawasaki KE 125 Specs (Top Speed | Horsepower | Weight)

The Kawasaki KE 125 motorcycle specifications include a 125 cc (7.63 cu in) engine, power of 10 hp (7.3 kW) @ 6,000 rpm, a 6-speed gearbox, and a listed weight of 109 kg (240.3 lb).

Key specifications

1975-1983Model years
125 ccDisplacement
10 hpPower
109 kgWet weight
7.5 LFuel tank
Model years covered
197519761977197819791980198119821983
Year-specific specification changes

The 1975 model is treated as the standard specification. Only later model years with a different supplied value are shown below.

Front brakes
1977Expanding brake (drum brake)
Power
197910 hp (7.3 kW) @ 6,300 rpm
198310 hp (7.3 kW) @ 6,300 rpm
Rear brakes
1977Expanding brake (drum brake)
Rear tire
19773 50-18
Wet weight
19781983110 kg (242.5 lb)
Fuel capacity
197719839.50 L (2.51 US gal)
Top speed
1978198394.0 km/h (58.4 mph)

How the Kawasaki KE 125 compares

This compares the motorcycle with all Kawasaki models in this specifications database. The blue marker is this model and the grey line is the Kawasaki database average.

Engine power10 hp
Low 10 hpAverage 73.9 hpHigh 203.3 hp

About 86% lower than the Kawasaki database average. Around the 2nd percentile across Kawasaki models.

Displacement125 cc
Low 84 ccAverage 687 ccHigh 1,700 cc

About 82% lower than the Kawasaki database average. Around the 11th percentile across Kawasaki models.

Wet weight109 kg
Low 70.3 kgAverage 208 kgHigh 383.1 kg

About 48% lighter than the Kawasaki database average. Around the 12th percentile across Kawasaki models.

Fuel capacity7.5 L
Low 3.8 LAverage 15.3 LHigh 24 L

About 51% smaller than the Kawasaki database average. Around the 13th percentile across Kawasaki models.

This model Kawasaki database average

Kawasaki database percentile rankings

Percentiles show where this motorcycle sits across the Kawasaki specifications database. They are descriptive database rankings, not performance ratings.

Engine power2nd

10 hp — more powerful than about 2% of Kawasaki models with power data.

Displacement11th

125 cc — larger displacement than about 11% of Kawasaki models.

Wet weight12th

109 kg — heavier than about 12% of Kawasaki models, or lighter than about 88%.

Fuel capacity13th

7.5 L — larger than about 13% of Kawasaki fuel tanks in this database.

Mechanical overview

Engine layout snapshot

Single cylinder, two-stroke • 125 cc • Air cooled • 10 hp
Chassis snapshot

6-speed • Chain (final drive) • 2.75-21 front / 3.50-18 rear

Additional useful specifications

Front tire size 2.75-21
Rear tire size 3.50-18
Power-to-weight ratio 0.092 hp/kg
Power-to-weight 91.7 hp/tonne
Specific power 80.0 hp/L
Bore/stroke ratio 1.11:1 (Oversquare)

Model information

Category Trial

Engine specifications

Engine type Single cylinder, two-stroke
Displacement 125 cc (7.63 cu in)
Power 10 hp (7.3 kW) @ 6,000 rpm
Bore × stroke 56.0 x 50.6 mm (2.2 x 2.0 inches)
Compression ratio 6.5:1
Cooling system Air
Fuel control Rotary valves

Transmission and drivetrain

Gearbox 6-speed
Final drive Chain (final drive)

Brakes, wheels and tires

Front brakes Expanding brake
Rear brakes Expanding brake
Front tire 2.75-21
Rear tire 3.50-18

Dimensions and weight

Wet weight 109 kg (240.3 lb)

Fuel and emissions

Fuel capacity 7.50 L (1.98 US gal)

Performance

Top speed 96.0 km/h (59.7 mph)

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Kawasaki models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Kawasaki information before relying on them. Visit the official Kawasaki website.