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Enduro - Offroad · 2025

ES 500

US$ 12499. MSRP depends on country, taxes, accessories, etc.
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MotoLibrary Score
55 /100 Balanced
Power/Weight
0.64 hp/kg
Torque
74 Nm
Engine
511 ccm

2025 GAS GAS ES 500 Technical Analysis & Specification Breakdown

At the heart of the 2025 GAS GAS ES 500 enduro - offroad motorcycle, GAS GAS features a 510.9 cc (31.2 cu in) liquid-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 74 HP (54 kW) at 8,000 rpm while maximum torque reaches 73.5 Nm (54.2 lb-ft) at 6,500 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 144.8 HP per liter and a 1,500 rpm working window between peak torque (6,500 rpm) and peak power (8,000 rpm), the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.

On the scales, the ES 500 measures 123.5 kg (272 lbs) wet (curb), translating to a power-to-weight ratio of 0.6 HP/kg (1.67 kg per horsepower). Rider ergonomics and chassis geometry center around a 956 mm (37.6 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,489 mm (58.6 in) wheelbase engineered for balanced agility and highway composure. The 9-liter (2.4 US gal) fuel tank paired with a rated consumption of 4.5 L/100 km provides an estimated theoretical range of roughly 200 km (124 miles) between fill-ups.

Specific Output
144.8 HP/L
Power-to-Weight
0.6 HP/kg (1.67 kg/HP)
Power Band Window
6,500–8,000 rpm
Theoretical Range
~200 km (124 mi)
Engine
Displacement 510.9 ccm (31.18 cubic inches)
Engine Type Single cylinder, four-stroke
Power 74.0 HP (54.0 kW)) @ 8000 RPM
Torque 73.5 Nm (7.5 kgf-m or 54.2 ft.lbs) @ 6500 RPM
Compression 12.8:1
Bore x Stroke 95.0 x 72.0 mm (3.7 x 2.8 inches)
Valves/Cylinder 4
Fuel System Injection. Keihin, 42 mm
Fuel Control Single Overhead Cams (SOHC)
Ignition Keihin EMS
Lubrication Forced oil lubrication with 2 oil pumps
Cooling Liquid
Transmission
Gearbox 6-speed
Final Drive Chain (final drive)
Clutch DDS wet multi-disc clutch, Braktec hydraulics
Driveline 520 X-Ring
Performance
Fuel Consumption 4.50 litres/100 km (22.2 km/l or 52.27 mpg)
Greenhouse Gases 104.4 CO2 g/km. (CO2 - Carbon dioxide emission)
Emission Details Euro 5
Chassis
Frame Type Central double-cradle-type 25CrMo4 steel
Rake 27.7°
Front Suspension WP XPLOR-USD, Adjustable Rebound Damping, Ø 48 mm
Front Travel 300 mm (11.8 inches)
Rear Suspension WP XACT, Twin Sided Swing Arm. Adjustable Shock/Spring Pre-Load. Adjustable Rebound Damping.
Rear Travel 300 mm (11.8 inches)
Wheelbase 1489 mm (58.6 inches)
Ground Clearance 269 mm (10.6 inches)
Wheels & Brakes
Front Tyre 90/90-21
Rear Tyre 140/80-18
Front Brakes Single disc. Braktec
Front Brake Ø 360 mm (14.2 inches)
Rear Brakes Single disc. Braktec
Rear Brake Ø 220 mm (8.7 inches)
Wheels Wire spoked. D.I.D. aluminium rims.
Dimensions & Weight
Dry Weight 116.4 kg (256.6 pounds)
Weight incl. 123.5 kg (272.3 pounds)
Power/Weight 0.6357 HP/kg
Seat Height 956 mm (37.6 inches) If adjustable, lowest setting.
Overall Height 1260 mm (49.6 inches)
Overall Width 830 mm (32.7 inches)
Fuel Capacity 9.00 litres (2.38 US gallons)
Other
Starter Electric
Color Options Red/black
Electrical 2 Ah battery
Warranty 1 month, limited
Notes

Two ride modes.

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Power
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Torque
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Seat Height
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Weight
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Fuel Capacity
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Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🟡
Intermediate
Requires some riding experience.
🌲
Best For
Off-Road & Adventure
📏
Seat Height
95.6 cm / 37.6 in
⚖️
Handling
Very lightweight — easy to handle
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