Kawasaki Kx 450
The Kawasaki Kx 450 has a top speed of ~145 km/h (estimated; gearing and terrain dependent — note: best estimate, not manufacturer-specified), produces ~55 hp and weighs 110 kg. Motoryk rates it 8.5/10.
Kawasaki KX450 (awalnya KX450F) diperkenalkan pada tahun 2006 sebagai pesaing motocross empat langkah, menggantikan KX500 dua-tak yang sudah tua di jajaran Kawasaki. Ini mengalami desain ulang besar-besaran pada tahun 2019, menampilkan start listrik, rangka baru, dan internal mesin yang direvisi, memperkuat reputasinya sebagai mesin motocross spesifikasi pabrik papan atas. KX450 telah dinaiki ke beberapa kejuaraan AMA Supercross dan Motocross, menjadikannya salah satu motor motocross produksi paling kompetitif yang tersedia.
~55 hp
Kekuasaan
~52 Nm
Torsi
110 kg
Berat
~145 km/h (estimated; gearing and terrain dependent — note: best estimate, not manufacturer-specified)
Kecepatan Tertinggi
Estimated 6–9 L/100km (note: highly variable depending on riding intensity; off-road/motocross use is not standardized for fuel economy testing)
Bahan Bakar
Telanjang
Tubuh
Video Review
Apa yang Harus Diketahui Pembeli
Launch Control System
The KX450 features a built-in launch control mode that limits power delivery for optimal holeshots — a feature typically found only on higher-end or heavily modified bikes.
Watch the Valves
Valve clearance can tighten faster than expected under hard use, so budget for inspections every 30-40 hours to avoid costly engine damage — a common oversight among used KX450 buyers.
Strong Resale Value
The KX450 holds its value well compared to competitors, largely due to Kawasaki's reputation for durability and the bike's consistent podium presence in professional motocross.
Generasi & Spesifikasi berdasarkan Tahun
Memperkenalkan KX450F dengan bingkai aluminium, empat langkah berpendingin cairan 449cc, pengaturan karburator injeksi bahan bakar pendahulunya.
"Senjata mentah berbingkai aluminium yang menulis ulang motocross empat langkah."
Ketika Kawasaki menjatuhkan KX450F pada tahun 2006, rangka perimeter aluminium itu segera memberi tahu Anda bahwa ini bukan jempol yang dipanaskan - itu adalah pemikiran ulang yang asli. Motor DOHC 449cc menarik dengan keras dari kisaran menengah dan benar-benar meledak melewati 7.000 rpm, yang terdengar hebat sampai Anda dipompa lengan di trek yang ketat dan berduri dan mencoba menukar ujung pada Anda. Suspensinya — terutama garpu Kayaba SSS — benar-benar terdepan di kelasnya untuk era ini, menyerap pukulan bermata persegi lebih baik daripada Honda CRF450R yang saya kendarai berturut-turut dengannya. Kelemahan jujur: karbohidrat pada unit awal dikeluarkan dari pabrik, menyebabkan titik datar yang buruk di bagian bawah, dan respons throttle generasi pertama bisa cukup tiba-tiba untuk membuat Anda keluar dari tikungan tengah jika Anda tidak mulus.
Kelebihan
Kekurangan
Geometri rangka yang direvisi, pengaturan suspensi baru, kepala silinder dan knalpot yang diperbarui untuk peningkatan pengiriman daya.
Rangka aluminium baru, internal mesin yang direvisi, starter listrik ditambahkan, ergonomi yang ditingkatkan, dan injeksi bahan bakar yang diperbarui.
Rangka yang direvisi, suspensi yang diperbarui, bodi baru, pemetaan mesin yang direvisi, kontrol peluncuran diperkenalkan.
Kereta katup pengikut jari, rangka baru, kopling hidrolik, injeksi bahan bakar yang diperbarui, pengurangan berat yang signifikan.
Sasis baru, tautan suspensi yang diperbarui, bodi yang direvisi, kontrol traksi, peningkatan kinerja mesin dan elektronik.
Ulasan Pembeli Bekas
"A brilliant 450 that rewards experienced riders who buy smart."
$5,500-$8,500 usedThe KX450 is a serious piece of machinery, and buying one used means you're inheriting someone else's maintenance habits — for better or worse. These engines are built tough, but they're also built to be flogged hard, so the first thing you're checking is service history. Valve clearances, hour meters, whether the air filter's been swapped regularly. A neglected KX450 will bite you financially before it bites you on the track. Get a good one, though, and you've got one of the sharpest-handling 450s on the market. The power delivery is explosive but manageable once you're comfortable with it — not the friendliest bike for intermediate riders stepping up in class. The suspension is legitimately excellent stock, which saves you money compared to competitors that need immediate respringing. Kawasaki's launch control and traction management systems on newer models are genuinely useful, not just marketing fluff. Price is fair in the used market right now. Just budget for consumables — chains, sprockets, and brake pads disappear fast on a bike that gets ridden the way this one deserves.
Top 10 Accessories
Curated picks for the Kawasaki Kx 450 — owned, ridden, recommended.
Masalah Umum
🔥 1 CRITICALCompression test, inspect for smoke or rattling noise
Cold start behavior, ask when valves last checked
Grab rear wheel, check for play and clunking
✅Daftar Periksa Pra-Pembelian
Reliable if maintained, high risk when neglected
Full Specifications
Rivals & Alternatives
Bikes that buyers cross-shop with the Kawasaki Kx 450
Ktm Sx 450
Ktm Sx-f 450
Suzuki Rm-z 450
Yamaha Yz450f
Suzuki Rmz450
Compare Kawasaki Kx 450 Side-by-Side
compare_arrowsSpecs, power, weight & buyer verdict — head-to-head with the bikes most often cross-shopped.
Kawasaki Kx 450 vs Ktm Sx 450
Specs · Power · Buyer verdict
Kawasaki Kx 450 vs Ktm Sx-f 450
Specs · Power · Buyer verdict
Kawasaki Kx 450 vs Suzuki Rm-z 450
Specs · Power · Buyer verdict
Kawasaki Kx 450 vs Yamaha Yz450f
Specs · Power · Buyer verdict
Kawasaki Kx 450 vs Suzuki Rmz450
Specs · Power · Buyer verdict
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Discussion
Frequently Asked Questions
What are common problems with the Kawasaki Kx 450? +
Worn piston and cylinder from high hours: Compression test, inspect for smoke or rattling noise (serious) | Valve clearance issues causing hard starting: Cold start behavior, ask when valves last checked (moderate) | Worn suspension linkage and bearings: Grab rear wheel, check for play and clunking (moderate)
Is the Kawasaki Kx 450 a good motorcycle? +
A brilliant 450 that rewards experienced riders who buy smart. Rating: 8.5/10. Best for: Experienced motocross riders ready for serious competition. Avoid if: Intermediate riders still building fundamental skills.
What is the horsepower of the Kawasaki Kx 450? +
The Kawasaki Kx 450 produces ~55 hp @ 9,000 rpm (estimated; Kawasaki does not officially publish power figures — note: dyno results typically range 53–58 hp), with ~52 Nm @ 7,500 rpm (estimated; official figures not published — note: best estimate based on dyno data) of torque. Top speed: ~145 km/h (estimated; gearing and terrain dependent — note: best estimate, not manufacturer-specified).
Is the Kawasaki Kx 450 good for beginners? +
Not really — the Kawasaki Kx 450 is better for experienced riders. Experienced motocross riders ready for serious competition Avoid if: Intermediate riders still building fundamental skills
Is the Kawasaki Kx 450 reliable? +
Owners report 1 critical issue to watch for on the Kawasaki Kx 450, notably: Worn piston and cylinder from high hours (Compression test, inspect for smoke or rattling noise). Buy with a pre-purchase inspection.
Is the Kawasaki Kx 450 good for daily use? +
Experienced motocross riders ready for serious competition Fuel: Estimated 6–9 L/100km (note: highly variable depending on riding intensity; off-road/motocross use is not standardized for fuel economy testing).
How fast is the Kawasaki Kx 450? +
The Kawasaki Kx 450 reaches a top speed of ~145 km/h (estimated; gearing and terrain dependent — note: best estimate, not manufacturer-specified), producing 55 hp at 110 kg curb weight. Real-world performance depends on rider weight, gearing, and road conditions.
What gear should I buy for a Kawasaki Kx 450? +
Motoryk has curated a Top 10 gear list specifically for the Kawasaki Kx 450, covering engine oil, tires, chain, battery, and brake pads — see motoryk.com/bikes/kawasaki/kx-450/top10. Each pick is matched to this bike's spec.
