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> 2026 Aprilia RS 660 Factory vs. 2026 KTM Duke 990 R Comparison
2026 Aprilia RS 660 Factory vs. 2026 KTM Duke 990 R Side-by-Side Comparison
Compare the 2026 Aprilia RS 660 Factory vs 2026 KTM Duke 990 R. The 2026 Aprilia RS 660 Factory has an MSRP of $14,149, while the 2026 KTM Duke 990 R has an MSRP of $13,399.
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KEY FACTS |
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| Manufacturer |
Aprilia
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KTM
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| Model |
RS 660
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Duke
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| Year |
2026
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2026
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| Class |
Sport
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Sport
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| Country of Origin |
Italy
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Austria
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| MSRP |
$14,149
PRICE QUOTE
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$13,399
PRICE QUOTE
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PRICE |
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| Warranty |
24 months |
48 months |
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Engine |
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| Cylinders |
2 |
2 |
| Compression Ratio |
13.5:1 |
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| Engine Stroke |
4-Stroke |
4-Stroke |
| Displacement (cc) |
659 |
947 |
| Valve Configuration |
DOHC |
DOHC |
| Starter |
Electric |
Electric |
| Cooling |
Liquid |
Liquid |
| Engine Type |
Parallel Twin |
Parallel Twin |
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Seat Specifications |
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| Number Of Seats |
2 |
1 |
| Seat Height (in) |
32.3 |
33.1 |
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Front Suspension |
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| Front Suspension Size (in) |
1.7 |
1.9 |
| Front Travel (in) |
4.7 |
5.6 |
| Front Suspension Type |
Inverted Fork |
Inverted Fork |
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Rear Suspension |
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| Rear Travel (in) |
5.1 |
5.5 |
| Rear Suspension Brand Name |
Ohlins |
WP APEX |
| Rear Suspension Type |
Twin Sided Swing Arm |
Twin Sided Swing Arm |
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Dimensions |
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| Ground Clearance (in) |
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8.3 |
| Trail (in) |
4.1 |
3.9 |
| Width (in) |
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| Wheelbase (in) |
54.4 |
58.3 |
| Length (in) |
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Capacities |
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| Fuel Capacity (gal) |
4 |
3.9 |
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Misc |
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| Major Revision Year |
2025 |
2025 |
| Year |
2026 |
2026 |
| Manufacturer Country |
Italy |
Austria |
| Generic Type (Primary) |
Sport |
Sport |
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Weight |
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| Dry Weight (lbs) |
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394.6 |
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Transmission |
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| Number Of Speeds |
6 |
6 |
| Primary Drive (Rear Wheel) |
Chain |
Chain |
| Transmission Type |
Manual |
Manual |
| Reverse |
No |
No |
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Brakes |
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| Rear Brake Type |
Hydraulic Disc |
Hydraulic Disc |
| Front Brake Type |
Dual Hydraulic Disc |
Dual Hydraulic Disc |
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Tires |
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| Rear Tire (Full Spec) |
Pirelli Diablo Rosso Corsa IV 180/55 R17 |
Michelin Power Cup 2 180/55 R17 |
| Front Tire (Full Spec) |
Pirelli Diablo Rosso Corsa IV 120/70 R17 |
Michelin Power Cup 2 120/70 R17 |
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More Details
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More Details
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2026 Aprilia RS 660 Factory vs 2026 KTM Duke 990 R
