Kawasaki Zephyr 550
The Kawasaki Zephyr 550 has a top speed of 175 km/h (estimated; note: may vary slightly by year and condition), produces 50 hp and weighs 198 kg. Motoryk rates it 7.3/10.
カワサキゼファー550（ZR550）は、1990年にカワサキのゼファーレトロネイキッドラインナップの一部として発売されました。レトロバイクが人気を博していた1970年代のクラシックなUJM（ユニバーサルジャパニーズモーターサイクル）スタイルを思い起こさせるように設計されました。古いZ550シリーズから派生した空冷直列4気筒エンジンを中心に構築されており、現代のスポーツバイクに代わるシンプルで手頃な価格のスタイリッシュな代替品となっています。Zephyr 550は1999年まで製造され、その信頼性、扱いやすいパワー、ノスタルジックな美学が高く評価され、エントリーレベルのクラシックおよびビギナー向けバイクとして今でも人気があります。
50 hp
パワー
44 Nm
トルク
198 kg
ウェイト
175 km/h (estimated; note: may vary slightly by year and condition)
トップスピード
5.0–6.5 L/100km (approx. 15–20 km/L typical real-world average)
燃料
裸
ボディ
Video Review
購入者が知っておくべきこと
Carb Sync Is Critical
The ZR550's four carburetors are notorious for falling out of sync, causing rough idling and poor throttle response. Always verify a recent carb sync and clean before buying.
Strong Budget Value
The Zephyr 550 holds modest but stable resale value as an affordable retro-naked entry point, typically trading between $1,500–$3,500 depending on condition. Its low running costs make it attractive to budget-conscious riders.
Proven Reliable Engine
Based on Kawasaki's dependable air-cooled inline-four architecture, the ZR550 engine is known for longevity when properly maintained. Neglected valve clearances are the most common mechanical oversight to check on used examples.
年別の世代と仕様
オリジナルの空冷式直列4気筒レトロロードスター。生産中のサイクル途中の大幅な更新はありません。
"正直、手間のかからないレトロで、決してそれ以上のふりをすることはありません。"
Zephyr 550は奇妙な中間地点にあります。スポーツライディングには遅すぎ、フリック機能には重すぎますが、日曜日のバックロードではどういうわけか非常に満足のいくものです。その空冷式4台は、7,000rpm以下では鮮明で意図的に聞こえますが、トップエンドの引っ張りを真剣に求めると、静かになります。50馬力は正直な数字であり、マーケティング上の控えめな表現ではありません。ライディングポジションはニュートラルで寛容で、シートの高さは770mmとほとんどの成人が利用でき、ブレーキも十分な性能を備えていますが、限界では自信が持てません。シングルフロントディスクは1990年にすでに妥協案となっていました。私は2年間毎日通勤してきましたが、そのことで恥ずかしい思いをしたことは一度もありませんでした。しかし、バイクが私をより強く走らせていると感じたこともありませんでした。
プロ
短所
中古購入者レビュー
"A trustworthy classic that rewards patient buyers who inspect carefully."
$1,500-$3,500 usedThe Zephyr 550 is one of those bikes that flies completely under the radar, and honestly that works in your favour when buying used. It's a proper old-school naked with that air-cooled inline-four pulling cleanly from low revs — nothing exciting, nothing terrifying, just a genuinely pleasant motorcycle that does exactly what you ask of it. Carbs are simple to work on, parts are still findable, and the ergonomics suit a wide range of riders without complaint. Where it gets tricky is condition. These are old bikes now and neglected examples are everywhere. Jetting issues from sitting, tired fork seals, and corroded carb slides are the usual suspects. Budget £200-300 for a proper carb clean and service before you trust it. Check the frame around the headstock carefully — budget riders aren't always gentle riders. A clean, honest example with receipts is worth every penny of the premium.
Top 10 Accessories
Curated picks for the Kawasaki Zephyr 550 — owned, ridden, recommended.
よくある問題
🔥 1 CRITICALRough idle, hesitation, hard starting, fuel smell
Battery draining, flickering lights, overcharging voltage
Rattling noise on cold start near engine top
Oil weeping down fork legs during inspection
✅購入前チェックリスト
Solid engine, maintenance neglect is main concern
Full Specifications
Rivals & Alternatives
Bikes that buyers cross-shop with the Kawasaki Zephyr 550
Kawasaki W650
Yamaha Rd 350
Honda Cbx 550
Honda Cb550
Yamaha Xs650
Compare Kawasaki Zephyr 550 Side-by-Side
compare_arrowsSpecs, power, weight & buyer verdict — head-to-head with the bikes most often cross-shopped.
Kawasaki Zephyr 550 vs Kawasaki W650
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Kawasaki Zephyr 550 vs Yamaha Rd 350
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Kawasaki Zephyr 550 vs Honda Cbx 550
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Kawasaki Zephyr 550 vs Honda Cb550
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Kawasaki Zephyr 550 vs Yamaha Xs650
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Discussion
Frequently Asked Questions
What are common problems with the Kawasaki Zephyr 550? +
Carburetors gummed up from sitting: Rough idle, hesitation, hard starting, fuel smell (moderate) | Rectifier regulator failure: Battery draining, flickering lights, overcharging voltage (serious) | Cam chain tensioner wear: Rattling noise on cold start near engine top (moderate)
Is the Kawasaki Zephyr 550 a good motorcycle? +
A trustworthy classic that rewards patient buyers who inspect carefully. Rating: 7.3/10. Best for: Returning riders wanting reliable, unfussy classic style. Avoid if: You want modern performance or guaranteed reliability.
What is the horsepower of the Kawasaki Zephyr 550? +
The Kawasaki Zephyr 550 produces 50 hp @ 9,000 rpm, with 44 Nm @ 7,500 rpm of torque. Top speed: 175 km/h (estimated; note: may vary slightly by year and condition).
Is the Kawasaki Zephyr 550 good for beginners? +
Yes — the Kawasaki Zephyr 550 is a reasonable choice for new riders (50 hp is manageable), weighing 198 kg. Returning riders wanting reliable, unfussy classic style
Is the Kawasaki Zephyr 550 reliable? +
Owners report 1 critical issue to watch for on the Kawasaki Zephyr 550, notably: Rectifier regulator failure (Battery draining, flickering lights, overcharging voltage). Buy with a pre-purchase inspection.
Is the Kawasaki Zephyr 550 good for daily use? +
Returning riders wanting reliable, unfussy classic style Fuel: 5.0–6.5 L/100km (approx. 15–20 km/L typical real-world average).
How fast is the Kawasaki Zephyr 550? +
The Kawasaki Zephyr 550 reaches a top speed of 175 km/h (estimated; note: may vary slightly by year and condition), producing 50 hp at 198 kg curb weight. Real-world performance depends on rider weight, gearing, and road conditions.
What gear should I buy for a Kawasaki Zephyr 550? +
Motoryk has curated a Top 10 gear list specifically for the Kawasaki Zephyr 550, covering engine oil, tires, chain, battery, and brake pads — see motoryk.com/bikes/kawasaki/zephyr-550/top10. Each pick is matched to this bike's spec.
