Kawasaki KDX50A: review, history, specs

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Kawasaki KDX50
Also called KDX50A
Production 2003 - 2006
Class Minibike / 50cc
Two-stroke, single cylinder, air cooled
Bore / Stroke 40.6mm x 40.6mm
Compression ratio 9.5:1
Top Speed 30 mph
Fuel System Mikuni VM12SC Carburetor
Ignition digital cdi
Spark Plug NGK BPR4HS '03-06
Transmission Gear box: 6 Speed

Final Drive: Chain

Clutch: Automatic clutch
Final Drive Chain: 420x78 ‘03-06[1]
Front Sprocket 13T ‘03-06[1]
Rear Sprocket 28T ‘03-06[1]
Suspension Front: Telescopic, two-way height adjustable
Rear: Twin shock, two-way height adjustable
Brakes Front: Drum
Rear: Drum
Front Tire 2.50-10-2
Rear Tire 2.50-10-2
Wheelbase 33.9 inches (861 mm)
Length 49.02 inches (1245 mm)
Width 23.39 inches (594 mm)
Height 28.7 inches (729 mm)
Seat Height 18.9 inches (480 mm)
Weight 84.0 pounds (38.1 Kg) (dry), 38.0 kg (wet)
Recommended Oil K-tech 10W-40
Fuel Capacity 0.53 Gallon (2.00 Liters)
Related Suzuki JR50
Competition Yamaha PW50
Manuals Service Manual

The Kawasaki KDX 50 was a Two-stroke, single cylinder, air cooled Enduro motorcycle produced by Kawasaki between 2003 and 2006. It was an identical bike to the Suzuki JR50 as part of Suzuki and Kawasaki's model sharing agreement.


A 40.6mm bore x 40.6mm stroke result in a displacement of just 49.0 cubic centimeters.


Power was moderated via the Automatic clutch.


It came with a 2.50-10-2 front tire and a 2.50-10-2 rear tire. Stopping was achieved via Drum in the front and a Drum in the rear. The front suspension was a Telescopic, two-way height adjustable while the rear was equipped with a Twin shock, two-way height adjustable. The KDX 50 was fitted with a 0.53 Gallon (2.00 Liters) fuel tank. The bike weighed just 84.0 pounds (38.1 Kg). The wheelbase was 33.9 inches (861 mm) long.

2006 Kawasaki KDX 50[edit]

2006 Kawasaki KDX 50 2006 Kawasaki KDX 50 2006 Kawasaki KDX 50 2006 Kawasaki KDX 50

The first bike should always be a memorable experience, so Kawasaki created the KDX 50 for young riders. The bike is equipped with a host of features designed to help new riders learn the fundamentals of motorcycle riding.



  1. 1.0 1.1 1.2 2019 Western Power Sports Catalog. Western Power Sports. 2019.