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All Bikes/Kawasaki/Kx 250
Kawasaki Kx 250
Motocross

Kawasaki Kx 250

カワサキKX250は、モトクロス専用レーシングマシンとして1974年に発売され、数十年にわたる競争的開発を経て進化し、世界で最も尊敬される250ccモトクロスバイクの1つになりました。その歴史を支配していた2ストロークエンジンから2020年には4ストロークの燃料噴射エンジンへと移行するなど、長年にわたって大きな変革を遂げてきました。現代の排出ガスと性能の基準に合わせて、2020年には4ストロークの燃料噴射エンジンに移行しました。KX250はモトクロスサーキットの定番であり、そのアグレッシブなパワー供給とレース仕様のシャシーで知られ、アマチュアライダーにもプロライダーにも愛されています。

Approximately 40–42 hp

パワー

Approximately 28–30 Nm

トルク

110 kg

ウェイト

Approximately 120–130 km/h (estimate; motocross bikes are not optimized for top speed)

トップスピード

Estimated 6–8 L/100km (note: varies greatly depending on riding intensity; off-road/motocross use makes precise figures difficult to standardize)

燃料

ボディ

search このバイクを今すぐチェック

購入者が知っておくべきこと

🔧

Top End Wear Alert

The KX250 two-stroke requires piston and ring replacement every 30-40 hours of hard riding. Always ask the seller for maintenance records and inspect the top end before buying.

💰

Strong Resale Value

The KX250 holds its value exceptionally well in the used dirt bike market due to its proven race pedigree and loyal fan base. A well-maintained example can retain 70-80% of its value over several years.

Aggressive Power Delivery

The KX250 is known for its snappy, aggressive powerband that favors experienced riders over beginners. This raw performance is a major selling point for racers but can be a handful on tight trails.

中古購入者レビュー

8.2/10
こんな方に最適
Experienced motocross riders wanting competitive two-stroke performance

"Buy it right and you'll grin every single lap."

$2,500-$5,500 used

The KX250 is a serious race bike wearing trail clothes, and that's exactly what makes buying one used complicated. Kawasaki's two-stroke delivers savage, peaky power that'll punish anyone who isn't fully committed — this thing hits hard mid-range and doesn't apologize for it. Engine condition is everything here. Pull the pipe and inspect the power valve before handing over cash. If the previous owner raced it hard and skipped rebuilds, you're buying someone else's expensive problem. That said, a well-maintained example is genuinely special. The chassis is razor-sharp, the suspension components are quality stuff that takes tuning well, and parts availability remains solid. Check the swingarm bearings, linkage bearings, and reed cage — these are the spots where deferred maintenance hides. A compression test is non-negotiable. Low numbers mean a top-end job minimum, and potentially worse.

プロ
短所
次の場合はスキップ: You're new to dirt bikes or motocross

Recommended Gear & Accessories

Full Specifications

Engine Power Approximately 40–42 hp @ 13,000 rpm (2020+ 4-stroke model; earlier 2-stroke models varied)
Torque Approximately 28–30 Nm @ 10,500 rpm (2020+ 4-stroke model; estimate)
Top Speed Approximately 120–130 km/h (estimate; motocross bikes are not optimized for top speed)
Weight 110 kg (curb weight, 2020+ model)
Fuel Consumption Estimated 6–8 L/100km (note: varies greatly depending on riding intensity; off-road/motocross use makes precise figures difficult to standardize)
Type Motocross
Fairing No Fairing (Naked)

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