Kawasaki Kx125 Review

Item: Kawasaki Kx125
Rating: 8
Author: Motoryk

"A brilliant buy if you inspect carefully and ride hard."

Experienced motocross riders wanting lightweight two-stroke thrills $1,500-$3,500 used 2000-2005

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Key Specs

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Top Speed

~110 km/h (estimate — highly dependent on gearing and conditions)

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Power

~38 hp

@ 11,500 rpm (2003–2005 final spec)

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Torque

~29 Nm

@ 10,500 rpm (estimate for late-model spec)

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Fuel Economy

25.0 km/L

59 mpg · ~4.0 L/100km or ~25 km/L (estimate — varies significantly with riding intensity; motocross use is higher consumption)

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Weight

~88 kg

(wet/curb weight, 2005 model)

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Used Buyer Review

The KX125 is one of the last great two-stroke motocrossers built before the class effectively died, and Kawasaki got the formula remarkably right by the early 2000s. The powerband is legitimately aggressive — it'll catch you out if you're not paying attention — but that's exactly what makes it addictive. Mid-2000s bikes especially hit a sweet spot with the chassis, offering genuinely sharp handling that still embarrasses plenty of modern machinery in tight, technical sections. Buying used, you need to be ruthless about maintenance history. These engines live and die by their top-end intervals, and a neglected piston can turn your bargain into an expensive rebuild overnight. Check the reeds, inspect the silencer packing, and pressure-test the crankcase seals before handing over a penny. A well-maintained example is a genuine joy; a neglected one is a money pit with a kickstarter.