Type of motorcycle
Aprilia SX 50![]() SX 50 with Polisport handguards |
| Manufacturer | Aprilia |
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| Parent company | Piaggio |
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| Production | Since 2006 |
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| Class | Supermotard |
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| Engine | 49.76 cc, 11.5:1 CR, liquid cooled, two stroke |
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| Transmission | 6-Speed Manual |
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| Suspension | Ø40 mm hydraulic fork with leading axle; wheel travel 195 mm
Rear: Hydraulic monoshock; Non-adjustable; wheel travel 180 mm |
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| Brakes | Front: 300 mm stainless steel disc; floating quad-piston caliper
Rear: 180 mm stainless steel disc; twin-piston caliper |
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| Tires | Front: 2.50 X 17
Rear: 3.50 x 17 |
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| Wheelbase | 55.354 in (1,406 mm) |
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| Dimensions | L: 79.68 in (2,024 mm)
W: 80.511 in (2,045 mm)
H: 32.677 in (830 mm)
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| Fuel capacity | 7 Litres |
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| Related | Aprilia RX50, Aprilia MX50, Aprilia SX125 |
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The Aprilia SX50 is a street motorcycle sold by Aprilia since 2006. It is powered by a D50B0 single-cylinder two-stroke engine with a nikasil-lined cast-iron cylinder manufactured by Derbi.
Engine
The engine in the Aprilia SX 50 is sourced from Derbi/Piaggio. This engine was used in the Derbi Senda DRD/X-Race/X-Treme supermotos, as well as the Derbi GPR 50 and Aprilia RS 50 road bikes. Engine parts from the bikes supermotos can be directly swapped with one another, there are some small differences between the road bike and supermoto engine which ceases the transfer of some external engine parts (exhaust, airbox).
References
