1989

VN-15 (reduced effect)

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MotoLibrary Score

53 /100 Balanced

Power

50 HP

Top Speed

155 km/h

Engine

1470 ccm

Technical Overview

1989 Kawasaki VN-15 (reduced effect) Technical Analysis & Specification Breakdown

At the heart of the 1989 Kawasaki VN-15 (reduced effect) motorcycle, Kawasaki utilizes a 1470 cc (89.7 cu in) liquid-cooled v2, four-stroke layout. In factory specification, peak output is rated at 50 HP (36.5 kW) at 4,000 rpm, transferring power to the rear wheel through a 4-speed gearbox and shaft drive (cardan) final drive. With a specific output of 34 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.

On the scales, the VN-15 (reduced effect) measures 284 kg (626 lbs) wet (curb), translating to a power-to-weight ratio of 0.18 HP/kg (5.68 kg per horsepower). The 16-liter (4.2 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 155 km/h (96 mph).

Specific Output

34 HP/L

Power-to-Weight

0.18 HP/kg (5.68 kg/HP)

Engine

Displacement 1470.0 ccm (89.70 cubic inches)

Engine Type V2, four-stroke

Engine Details V2, four-stroke

Power 50.0 HP (36.5 kW)) @ 4000 RPM

Compression 9.0:1

Bore x Stroke 102.0 x 90.0 mm (4.0 x 3.5 inches)

Valves/Cylinder 4

Fuel Control Overhead Cams (OHC)

Cooling Liquid

Transmission

Gearbox 4-speed

Final Drive Shaft drive (cardan) (final drive)

Performance

Top Speed 155.0 km/h (96.3 mph)

Wheels & Brakes

Front Tyre 100/90-19

Rear Tyre 150/90-15

Front Brakes Single disc

Rear Brakes Single disc

Dimensions & Weight

Weight incl. 284.0 kg (626.1 pounds)

Fuel Capacity 16.00 litres (4.23 US gallons)

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Transmission

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Intermediate

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