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All Bikes/Ktm/990 Duke
Ktm 990 Duke
Naked

Ktm 990 Duke

The Ktm 990 Duke has a top speed of ~240 km/h (estimated for 990 Super Duke), produces ~115 hp and weighs ~189 kg. Motoryk rates it 7.8/10.

注:KTM 990デュークは正式に製造されたことはありません。KTMは990スーパーデューク(2005~2013年)を製造しました。999ccのLC8 Vツインエンジンを搭載した高性能ネイキッドバイクで、そのアグレッシブなスタイリングとパフォーマンスでアイコニックになりました。大排気量のデュークのラインナップは、690デュークから1290スーパーデュークR(2014年)に飛躍し、「990デューク」という名称を完全にスキップしました。以下のスペックはKTM 990スーパーデューク用で、意図したものと思われます。

~115 hp

パワー

~100 Nm

トルク

~189 kg

ウェイト

~240 km/h (estimated for 990 Super Duke)

トップスピード

Estimated 7.5–9.0 L/100km (real-world average, based on 990 Super Duke data)

燃料

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

⚙️

LC8 Engine Quirks

The 999cc parallel-twin LC8 engine is known for strong performance but watch for cam chain tensioner wear and oil consumption issues, especially on higher-mileage examples. Regular oil changes with quality synthetic are critical.

💰

Solid Resale Value

The 990 Duke holds its value reasonably well as a limited-run naked bike, making it a smart buy if purchased at the right price. Low production numbers keep demand steady among KTM enthusiasts.

🔧

WP Suspension Issues

The WP forks and rear shock are excellent performers but known to leak seals prematurely, particularly on pre-owned bikes. Budget for a suspension service if buying used, as rebuilds can be costly.

中古購入者レビュー

7.8/10
こんな方に最適
Experienced riders wanting analogue, engaging naked performance

"A raw, rewarding naked that demands an attentive owner and rewards skilled riders."

$5,500-$8,500 used

The 990 Duke is KTM's attempt at a proper naked middleweight, and honestly it mostly delivers. The LC8 parallel-twin punches well above its displacement, pulling hard from 4,000rpm with a genuinely addictive exhaust note that'll have you hunting for tunnels. Ergonomics are aggressive without being punishing, and the chassis feels alive in ways that budget nakeds simply don't. It's a proper rider's bike. Used, though, you need your wits about you. These things attract enthusiastic owners, so look hard for crash damage, especially on the subframe and footpeg hangers. The throttle bodies need regular syncing or you'll get nasty low-speed snatchiness, and WP suspension can feel wooden if the previous owner never serviced it. Budget for fresh fork oil and a linkage bearing check immediately after purchase. Electronics are minimal by modern standards — no traction control, no riding modes — which is either charming or terrifying depending on your perspective.

プロ
短所
次の場合はスキップ: You want electronics or dislike mechanical maintenance

Top 10 Accessories

Curated picks for the Ktm 990 Duke — owned, ridden, recommended.

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よくある問題

🔥 1 CRITICAL
⚠️WP fork seal leaks and stiction MODERATE

Look for oil streaks down fork legs before buying

Fix cost: $150-$300
⚠️Throttle body sync issues, rough idle MODERATE

Listen for uneven idle, test both throttle bodies

Fix cost: $80-$150
🔥Stator and regulator-rectifier failure SERIOUS

Check charging voltage, look for burnt connector signs

Fix cost: $300-$600
💡Chain and sprocket wear from neglect MINOR

Check chain slack, sprocket hook teeth, overall wear

Fix cost: $150-$250

購入前チェックリスト

Check service history, especially valve clearances done
Test ride cold start, listen for top-end noise
Inspect frame for crash damage or welds
Verify charging system with multimeter at idle

Solid engine, electrical and suspension need attention

Full Specifications

Engine Power ~115 hp @ 9,000 rpm (990 Super Duke)
Torque ~100 Nm @ 7,000 rpm (990 Super Duke)
Top Speed ~240 km/h (estimated for 990 Super Duke)
Weight ~189 kg (wet/curb weight, 990 Super Duke)
Fuel Consumption Estimated 7.5–9.0 L/100km (real-world average, based on 990 Super Duke data)
Type Naked
Fairing No Fairing (Naked)

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Community Reviews

Discussion

Frequently Asked Questions

What are common problems with the Ktm 990 Duke? +

WP fork seal leaks and stiction: Look for oil streaks down fork legs before buying (moderate) | Throttle body sync issues, rough idle: Listen for uneven idle, test both throttle bodies (moderate) | Stator and regulator-rectifier failure: Check charging voltage, look for burnt connector signs (serious)

Is the Ktm 990 Duke a good motorcycle? +

A raw, rewarding naked that demands an attentive owner and rewards skilled riders. Rating: 7.8/10. Best for: Experienced riders wanting analogue, engaging naked performance. Avoid if: You want electronics or dislike mechanical maintenance.

What is the horsepower of the Ktm 990 Duke? +

The Ktm 990 Duke produces ~115 hp @ 9,000 rpm (990 Super Duke), with ~100 Nm @ 7,000 rpm (990 Super Duke) of torque. Top speed: ~240 km/h (estimated for 990 Super Duke).

Is the Ktm 990 Duke good for beginners? +

Yes — the Ktm 990 Duke is a reasonable choice for new riders (115 hp is manageable), weighing 189 kg. Experienced riders wanting analogue, engaging naked performance

Is the Ktm 990 Duke reliable? +

Owners report 1 critical issue to watch for on the Ktm 990 Duke, notably: Stator and regulator-rectifier failure (Check charging voltage, look for burnt connector signs). Buy with a pre-purchase inspection.

Is the Ktm 990 Duke good for daily use? +

Experienced riders wanting analogue, engaging naked performance Fuel: Estimated 7.5–9.0 L/100km (real-world average, based on 990 Super Duke data).

How fast is the Ktm 990 Duke? +

The Ktm 990 Duke reaches a top speed of ~240 km/h (estimated for 990 Super Duke), producing 115 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 990 Duke? +

Motoryk has curated a Top 10 gear list specifically for the Ktm 990 Duke, covering engine oil, tires, chain, battery, and brake pads — see motoryk.com/bikes/ktm/990-duke/top10. Each pick is matched to this bike's spec.