KTM 520 SX Racing vs GAS GAS EC 515 FSR (2009)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM 520 SX Racingstacks up against the GAS GAS EC 515 FSR. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecKTM 520 SX RacingGAS GAS EC 515 FSR
Model year20002009
Price
Engine510 cc515 cc
Weight107 kg118 kg
Seat height37 mm
Fuel capacity2.0 L2.0 L
Fuel typepetrolpetrol
Transmission4-speed6-speed
Front brakesSingle discSingle disc
Rear brakesSingle discSingle disc
Tires90/90-21 / 140/80-18

KTM 520 SX Racing vs GAS GAS EC 515 FSR — which should you buy?

Picking between the KTM 520 SX Racing and the GAS GAS EC 515 FSR usually comes down to the numbers you care about most. On paper, the KTM 520 SX Racing brings its published horsepower in a 107 kg package, while the GAS GAS EC 515 FSR counters with its own power figure at 118 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: