Aprilia Pegaso 650 (reduced effect) vs KTM 660 LC4 Rally Factory Replica (2003)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Aprilia Pegaso 650 (reduced effect)stacks up against the KTM 660 LC4 Rally Factory Replica. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecAprilia Pegaso 650 (reduced effect)KTM 660 LC4 Rally Factory Replica
Model year19922003
Price
Engine652 cc654 cc
Horsepower27 hp65 hp
Torque70 Nm
Weight162 kg
Seat height39 mm
Fuel capacity3.7 L12.7 L
Fuel typepetrolpetrol
Transmission5-speed5-speed
Front brakesSingle discSingle disc
Rear brakesSingle discSingle disc
Tires100/90-19 / 140/70-17 90/90-21 / 140/90-18

Aprilia Pegaso 650 (reduced effect) vs KTM 660 LC4 Rally Factory Replica — which should you buy?

Picking between the Aprilia Pegaso 650 (reduced effect) and the KTM 660 LC4 Rally Factory Replica usually comes down to the numbers you care about most. On paper, the Aprilia Pegaso 650 (reduced effect) brings 27 hp, while the KTM 660 LC4 Rally Factory Replica counters with 65 hp at 162 kg.

Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: