Yamaha Yz450f
The Yamaha Yz450f has a top speed of Approximately 145–155 km/h (estimate based on dyno and track testing; not an officially published figure), produces Approximately 60–63 hp and weighs 110 kg. Motoryk rates it 8.5/10.
Yamaha YZ450F diperkenalkan pada tahun 2003 sebagai evolusi dari garis keturunan YZ400F/426F, menggantikan era dua langkah dengan mesin motocross empat langkah yang kuat. Ini memperoleh desain ulang penting pada tahun 2010 dengan kepala silinder terbalik dan knalpot menghadap ke depan, dan sekali lagi pada tahun 2018 dengan start listrik dan sistem injeksi bahan bakar yang dapat disesuaikan dengan smartphone. Ini secara konsisten menjadi salah satu motor motocross paling pemenang balapan dan secara teknis canggih di kelas 450cc, dengan banyak kejuaraan AMA Supercross dan Motocross sesuai namanya.
Approximately 60–63 hp
Kekuasaan
Approximately 53–55 Nm
Torsi
110 kg
Berat
Approximately 145–155 km/h (estimate based on dyno and track testing; not an officially published figure)
Kecepatan Tertinggi
Estimated 6–8 L/100km under typical motocross/off-road use (note: highly variable depending on riding intensity; no official road consumption figure exists for this competition-focused bike)
Bahan Bakar
Telanjang
Tubuh
Video Review
Apa yang Harus Diketahui Pembeli
Reverse Cylinder Reliability
The YZ450F's unique reverse-inclined cylinder design lowers the center of gravity and improves mass centralization. This layout has proven highly durable, but valve clearances should be checked every 15 hours to avoid costly engine wear.
Built-In Bluetooth Tuning
2018 and newer models include a Bluetooth-enabled Power Tuner app, letting riders adjust fuel maps and engine braking without a dealer visit. This feature adds real value and is rare among competitors in its class.
Strong Resale Value
The YZ450F consistently holds its value better than most motocross bikes, often retaining 70–80% of its price after one year with proper maintenance. Low-hour, well-documented bikes are especially sought after in the used market.
Generasi & Spesifikasi berdasarkan Tahun
Diperkenalkan sebagai penerus 450cc untuk YZ426F, mesin lima katup, rangka aluminium, pengiriman daya agresif.
"Kekuatan kasar dan keras yang menghargai komitmen tetapi menghukum keraguan."
Gen 1 YZ450F adalah Yamaha yang pada dasarnya menjatuhkan granat ke kelas 450 — motor lima katup itu memukul lebih keras daripada yang lain di lini pada tahun 2003, dengan lonjakan mid-to-top-end yang akan membuat motor berdiri dan meludahkan Anda jika Anda tidak memperhatikan. Saya menghabiskan musim penuh di '04 dan belajar untuk menghormati throttle dengan cara yang sulit; trail riding benar-benar samar karena pukulannya begitu mendadak, tetapi di trek MX terbuka dengan momentum yang tepat, itu memabukkan. Rangka aluminium adalah wahyu atas sasis baja YZ426 lama - lebih tajam, lebih responsif di sudut, tetapi juga mengirimkan setiap batu dan akar langsung ke tangan Anda di medan yang kasar. Ritual awal sangat rewel sebelum mereka menyelesaikan sirkuit hot-start, dan suspensi perlu segera dipulihkan untuk siapa pun yang berusia di atas 175 lbs kecuali Anda menikmati memantul dari setiap benjolan bermata persegi seperti pinball.
Kelebihan
Kekurangan
Mesin empat katup yang direvisi, geometri rangka baru, suspensi yang ditingkatkan, bobot keseluruhan yang lebih ringan dan penanganan yang lebih baik.
"Lebih tajam, lebih ringan, lebih jahat — Yamaha akhirnya melakukannya dengan benar."
Gen 2 YZ450F terasa seperti Yamaha benar-benar mendengarkan para pembalap mengeluh tentang ketidakjelasan front-end generasi pertama — geometri yang direvisi menanamkan roda depan dengan keyakinan nyata melalui tikungan yang kacau, dan motor DOHC memukul lebih keras dari tikungan lambat daripada yang lain di kelasnya. Saya menjalankan model 2007 untuk musim penuh dan suspensi, sementara kaku untuk pembalap yang lebih ringan, tetap tenang dalam hal-hal yang kasar ketika teman-teman saya di Honda dihancurkan. Pengiriman tenaga cukup mendadak untuk membuat Anda tertarik dengan hardpack apik jika Anda malas dengan kopling — ini bukan motor yang memaafkan, ini menuntut rasa hormat dan penghargaan presisi. Interval perawatannya ketat, dan jika Anda melewatkan pemeriksaan katup, mesin akan mengingatkan Anda dengan tagihan yang menyengat lebih buruk daripada kecelakaan.
Kelebihan
Kekurangan
Tata letak mesin silinder terbalik, injeksi bahan bakar diperkenalkan 2010, silinder miring ke belakang meningkatkan sentralisasi massa.
Rangka balok bilateral aluminium baru, tautan suspensi yang direvisi, injeksi bahan bakar yang diperbarui, start listrik ditambahkan 2016.
Sasis yang didesain ulang sepenuhnya, internal mesin baru, kontrol peluncuran, kontrol traksi, konektivitas aplikasi power tuner.
Porting mesin yang direvisi, sistem pembuangan baru, pengaturan suspensi yang diperbarui, ergonomi yang disempurnakan, dan kinerja menikung yang ditingkatkan.
Ulasan Pembeli Bekas
"Brilliant but unforgiving — buy smart or get burned fast."
$3,500-$7,500 usedThe YZ450F is arguably the most capable production motocrosser ever built, but buying one used demands serious homework. Yamaha's reverse-cylinder layout and fuel injection transformed the platform from 2010 onward, making those bikes genuinely desirable secondhand. The engine is a weapon — savage, front-wheel-lifting power that'll expose any gaps in your skill set within the first corner. That's both the appeal and the warning label. Here's the honest part nobody tells you: these bikes get absolutely flogged. Check the frame for cracks near the steering head, inspect the linkage bearings, and demand maintenance records or budget another $800 for a full suspension refresh immediately. Hours on the engine matter enormously — a rebuilt top end every 30-40 hours is the factory recommendation, and plenty of previous owners ignored that cheerfully. Buy a well-documented 2014-2018 example from a disciplined intermediate rider over a cheap, mystery-history 2020. The YZ rewards mechanical diligence. Neglect it and it'll return the favor.
Top 10 Accessories
Curated picks for the Yamaha Yz450f — owned, ridden, recommended.
Masalah Umum
🔥 2 CRITICALCompression test, ask about last valve adjustment date
Inspect fins and seams for cracks or coolant stains
Grab swingarm and wiggle for play or clunking
Pull airbox, inspect filter condition and engine hours
✅Daftar Periksa Pra-Pembelian
Reliable if maintained, punishing when neglected
Full Specifications
Rivals & Alternatives
Bikes that buyers cross-shop with the Yamaha Yz450f
Ktm Sx 450
Kawasaki Kx 450
Ktm Sx-f 450
Suzuki Rm-z 450
Yamaha Yz 450 F
Compare Yamaha Yz450f Side-by-Side
compare_arrowsSpecs, power, weight & buyer verdict — head-to-head with the bikes most often cross-shopped.
Yamaha Yz450f vs Ktm Sx 450
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Yamaha Yz450f vs Kawasaki Kx 450
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Yamaha Yz450f vs Ktm Sx-f 450
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Yamaha Yz450f vs Suzuki Rm-z 450
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Yamaha Yz450f vs Yamaha Yz 450 F
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Discussion
Frequently Asked Questions
What are common problems with the Yamaha Yz450f? +
Worn valve seats causing hard starting: Compression test, ask about last valve adjustment date (serious) | Cracked or leaking radiators: Inspect fins and seams for cracks or coolant stains (moderate) | Worn rear linkage and swingarm bearings: Grab swingarm and wiggle for play or clunking (moderate)
Is the Yamaha Yz450f a good motorcycle? +
Brilliant but unforgiving — buy smart or get burned fast. Rating: 8.5/10. Best for: Experienced motocrossers who maintain bikes religiously. Avoid if: Beginners or riders skipping routine maintenance schedules.
What is the horsepower of the Yamaha Yz450f? +
The Yamaha Yz450f produces Approximately 60–63 hp @ 9,500 rpm (varies by model year; 2020+ models produce near the upper end), with Approximately 53–55 Nm @ 8,000 rpm (estimate; Yamaha does not officially publish torque figures for this model) of torque. Top speed: Approximately 145–155 km/h (estimate based on dyno and track testing; not an officially published figure).
Is the Yamaha Yz450f good for beginners? +
Not really — the Yamaha Yz450f is better for experienced riders. Experienced motocrossers who maintain bikes religiously Avoid if: Beginners or riders skipping routine maintenance schedules
Is the Yamaha Yz450f reliable? +
Owners report 2 critical issues to watch for on the Yamaha Yz450f, notably: Worn valve seats causing hard starting (Compression test, ask about last valve adjustment date). Buy with a pre-purchase inspection.
Is the Yamaha Yz450f good for daily use? +
Experienced motocrossers who maintain bikes religiously Fuel: Estimated 6–8 L/100km under typical motocross/off-road use (note: highly variable depending on riding intensity; no official road consumption figure exists for this competition-focused bike).
How fast is the Yamaha Yz450f? +
The Yamaha Yz450f reaches a top speed of Approximately 145–155 km/h (estimate based on dyno and track testing; not an officially published figure), producing 60 hp at 110 kg curb weight. Real-world performance depends on rider weight, gearing, and road conditions.
What gear should I buy for a Yamaha Yz450f? +
Motoryk has curated a Top 10 gear list specifically for the Yamaha Yz450f, covering engine oil, tires, chain, battery, and brake pads — see motoryk.com/bikes/yamaha/yz450f/top10. Each pick is matched to this bike's spec.
