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All Bikes/Ktm/Rc8
Ktm Rc8
Supersport

Ktm Rc8

The Ktm Rc8 has a top speed of 270 km/h, produces 173 hp and weighs 189 kg. Motoryk rates it 7.5/10.

KTM RC8は、KTMがスーパースポーツ/スーパーバイクのカテゴリーに初めて参入したものとして2008年に発表されました。このエンジンには、社内で開発された専用1148ccVツインエンジンが搭載されています。2009年にRC8 Rバリアントで大幅なアップデートが行われ、サスペンションの強化、コンプレッション、パワー出力の向上が実現されました。RC8は、直列4列車が優勢な競合他社に挑戦する数少ないVツインスーパーバイクの1つとして知られていましたが、KTMが他のプラットフォームに焦点を移したため、2016年頃に廃止されました。

173 hp

パワー

117 Nm

トルク

189 kg

ウェイト

270 km/h

トップスピード

7.5 L/100km (approx. 13.3 km/L, typical real-world average)

燃料

フェアド

ボディ

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Video Review

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購入者が知っておくべきこと

⚙️

Watch the V-Twin Valves

The RC8's 1148cc V-twin requires strict valve clearance checks every 6,000 miles — skipping this is the most common cause of costly engine damage reported by owners.

📉

Steep Depreciation Curve

The RC8 depreciated sharply after production ended in 2016, making used examples a strong value buy, though resale remains soft due to limited mainstream demand.

🏁

Race-Ready From Factory

KTM built the RC8 with fully adjustable WP suspension, a slipper clutch, and a lightweight trellis frame — giving it genuine track capability straight off the showroom floor.

年別の世代と仕様

2008–2011 Gen 1

1148cc Vツイン、155馬力、筒状のスチール製トレリスフレーム、片面スイングアームで初回発売。

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8.2/10

"KTM史上最も特徴的なスーパーバイク。"

その75度のVツインは、スーパーバイクの他のモデルとはまったく異なります。4,000rpmから激しく引っ張り、怒りと機械的なうなり声を可能な限り最高の方法で鳴らし、8,000回転を超えるとスイッチがひっくり返ったように完全に起動します。トレリスフレームはバーを通してリアルなフィードバックを伝えてくれます。フロントのメッツラーが何をしているのか正確にわかっているので、知っている道で自信を素早く身につけることができます。エルゴノミクスはアグレッシブですが、身長5フィート10インチ前後のライダーに負担をかけません。ただし、純正のシートは90分後にコンクリートに変わり、夏の交通量が少ないとモーターからの熱が個人的になります。初期のスロットル・バイ・ワイヤー・キャリブレーションには一貫性がなく、低速のロールオンでひっかかり、駐車場の操縦に本当にストレスがかかりました。また、初年度の製造品質には、KTMがまだスーパーバイクビジネスを学んでいることを思い出させる電気グレムリンが使われていました。

プロ

+Vツイントルク、即時かつ筋肉質
+優れたシャーシのフィードバックと感触
+片面スイングアームは見た目も美しい
+全リブレンジで路上使用可能なパワー
+トレリスフレームは真の自信を呼び起こします

短所

4,000 rpm未満のスロットルスナッチ
シートコンフォートはすぐに期限切れになります
初期の電気的信頼性に関する懸念
交通における重大な熱管理問題
こんな方に最適: エキゾチックなキャラクターを欲しがる経験豊富なライダー 次の場合はスキップ: 毎日の通勤やロングツーリング
2009–2016 Gen 2 (RC8 R)

より高いコンプレッション、改良されたサスペンション、オーリンズコンポーネント、および出力の増加を備えたRバリアントが導入されました。

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中古購入者レビュー

7.5/10
こんな方に最適
Track-focused riders wanting exotic V-twin character

"A flawed masterpiece that demands commitment, cash, and mechanical sympathy."

$6,500-$11,000 used

The RC8 is one of those bikes that rewards the brave and punishes the lazy. That 1148cc V-twin has a genuinely savage character — it pulls hard from 4,000rpm and absolutely screams past 8,000. Nothing else sounds quite like it. But here's the thing: KTM's build quality from this era was inconsistent at best. Check the frame for stress cracks around the headstock, inspect the throttle bodies carefully, and budget for a valve check if the seller can't prove it's been done. Ergonomics are brutally committed. This isn't a bike you'll commute on comfortably — the riding position is full-tuck race stuff, and your wrists will remind you of that around mile 50. Pre-2011 models had suspension issues that KTM partially addressed, so hunt for a later example with service history. WP suspension can be expensive to rebuild properly, so factor that into your budget. Parts availability has improved but isn't Honda-level easy.

プロ
短所
次の場合はスキップ: You need daily reliability or tight maintenance budget

Top 10 Accessories

Curated picks for the Ktm Rc8 — owned, ridden, recommended.

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よくある問題

🔥 2 CRITICAL
🔥Stator/charging system failure SERIOUS

Battery voltage at idle, look for dimming lights

Fix cost: $400-$800
⚠️Throttle body sync and fueling issues MODERATE

Rough idle, surging, uneven throttle response

Fix cost: $150-$300
🔥Frame cracking near swingarm pivot SERIOUS

Inspect welds around pivot area visually closely

Fix cost: $500-$1500
⚠️Coolant leaks from water pump seals MODERATE

Residue under engine, check coolant level history

Fix cost: $200-$400

購入前チェックリスト

Pull service history and valve check records
Check stator output with multimeter at idle
Inspect frame welds for cracks thoroughly
Cold start test, listen for top-end noise

High-maintenance exotic, rewarding if properly serviced

Full Specifications

Engine Power 173 hp @ 10,000 rpm (RC8 R variant; base RC8 approx. 155 hp)
Torque 117 Nm @ 8,000 rpm (RC8 R variant)
Top Speed 270 km/h
Weight 189 kg (wet/curb weight)
Fuel Consumption 7.5 L/100km (approx. 13.3 km/L, typical real-world average)
Type Supersport
Fairing Full/Partial Fairing

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Compare Ktm Rc8 Side-by-Side

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Community Reviews

Discussion

Frequently Asked Questions

What are common problems with the Ktm Rc8? +

Stator/charging system failure: Battery voltage at idle, look for dimming lights (serious) | Throttle body sync and fueling issues: Rough idle, surging, uneven throttle response (moderate) | Frame cracking near swingarm pivot: Inspect welds around pivot area visually closely (serious)

Is the Ktm Rc8 a good motorcycle? +

A flawed masterpiece that demands commitment, cash, and mechanical sympathy. Rating: 7.5/10. Best for: Track-focused riders wanting exotic V-twin character. Avoid if: You need daily reliability or tight maintenance budget.

What is the horsepower of the Ktm Rc8? +

The Ktm Rc8 produces 173 hp @ 10,000 rpm (RC8 R variant; base RC8 approx. 155 hp), with 117 Nm @ 8,000 rpm (RC8 R variant) of torque. Top speed: 270 km/h.

Is the Ktm Rc8 good for beginners? +

Not really — the Ktm Rc8 is better for experienced riders (173 hp can be intimidating). Track-focused riders wanting exotic V-twin character Avoid if: You need daily reliability or tight maintenance budget

Is the Ktm Rc8 reliable? +

Owners report 2 critical issues to watch for on the Ktm Rc8, notably: Stator/charging system failure (Battery voltage at idle, look for dimming lights). Buy with a pre-purchase inspection.

Is the Ktm Rc8 good for daily use? +

Track-focused riders wanting exotic V-twin character Fuel: 7.5 L/100km (approx. 13.3 km/L, typical real-world average).

How fast is the Ktm Rc8? +

The Ktm Rc8 reaches a top speed of 270 km/h, producing 173 hp at 189 kg curb weight. Real-world performance depends on rider weight, gearing, and road conditions.

What gear should I buy for a Ktm Rc8? +

Motoryk has curated a Top 10 gear list specifically for the Ktm Rc8, covering engine oil, tires, chain, battery, and brake pads — see motoryk.com/bikes/ktm/rc8/top10. Each pick is matched to this bike's spec.