Aprilia Pegaso 650 I.e. - 2005 Specifications and Reviews

The 2005 Aprilia Pegaso 650 i.e. is a lightweight enduro designed for riders seeking versatile on and off-road capability. Its fuel-injected single-cylinder engine delivers responsive performance with excellent torque characteristics, while the manageable 651cc displacement makes it accessible to intermediate riders exploring adventure touring and dual-sport riding.

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General information

CategoryEnduro / offroad
Year2005
ModelAprilia Pegaso 650 i.e.

Engine and Transmission Specifications

ClutchMultiple disk in oil bath
Transmission typefinal driveChain
Gearbox1-speed
Cooling systemLiquid
Lubrication systemDry sump with two trochoidal pumps
StarterElectric
IgnitionElectronic, controlled by injection control unit.
Fuel systemInjection. Integrated electronic engine management system. Indirect multi-point electronic injection. 34 mm throttle bodies.
Bore x stroke100.0 x 83.0 mm (3.9 x 3.3 inches)
Compression9.1:1
Torque58.00
Power47.00
Stroke4
Engine typeSingle cylinder
Capacity:651.80 ccm (39.77 cubic inches)

Physical measures and capacities

Wheelbase1,480 mm (58.3 inches)
Seat height817 mm (32.2 inches) If adjustable, lowest setting.
 
 

Aprilia Pegaso 650 I.e. dimensions and frame

Rear brakes diameter270 mm (10.6 inches)
Rear brakesSingle disc
Front brakes diameter300 mm (11.8 inches)
Front brakesDouble disc
Rear tyre dimensions130/80-17
Front tyre dimensions100/90-19
Rear suspension travel165 mm (6.5 inches)
Rear suspensionVariable section high strength steel swing-arm
Front suspension travel175 mm (6.9 inches)
Front suspensionMarzocchi 45 mm telescopic fork.
Trail111 mm (4.4 inches)
Frame typeSloping aluminium twin-spar frame, with steel box section oil tank at the front

Speed and acceleration

Color optionsLime Yellow, Flamingo Red, Pearly Grey
Reserve fuel capacity5.00 litres (1.32 gallons)
Fuel capacity25.00 litres (6.61 gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

47 hp
Peak Power
6.5s
0-60 mph

Best For

Track20%
City60%
Cornering55%
Daily Riding60%
Touring50%
Passenger40%

Rider Profile

Best ForSuits riders with at least some prior experience, particularly those comfortable with the tall seat height and single-cylinder power delivery typical of big-bore enduros.
PurposeDesigned as a versatile dual-sport machine capable of light off-road excursions, urban commuting, and occasional longer rides.
Rider FitThe 817mm seat height and tall, narrow build demand a reasonably tall rider or confidence with tiptoe stops at standstill.
CharacterA torquey, easygoing thumper that rewards relaxed, momentum-based riding over outright speed or aggressive cornering.
Not Ideal ForNot the right choice for riders chasing high-speed performance, trackday thrills, or long-distance two-up touring comfort.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2005 Aprilia Pegaso 650 I.e. Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 817mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2005 Aprilia Pegaso 650 I.e., with a cramped knee angle of around 70 degrees and a slightly forward riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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