What category is the 2005 GAS GAS 125 PRO?

The 2005 GAS GAS 125 PRO has a Category of Trial.

What is the engine size of the 2005 GAS GAS 125 PRO?

The 2005 GAS GAS 125 PRO has a Capacity: of 124.80 ccm (7.62 cubic inches).

What type of engine does the 2005 GAS GAS 125 PRO have?

The 2005 GAS GAS 125 PRO has a Engine type of Single cylinder.

Is the 2005 GAS GAS 125 PRO air cooled or liquid cooled?

The 2005 GAS GAS 125 PRO has a Cooling system of Liquid.

How many gears does the 2005 GAS GAS 125 PRO have?

The 2005 GAS GAS 125 PRO has a Gearbox of 6-speed.

How much does the 2005 GAS GAS 125 PRO weigh?

The 2005 GAS GAS 125 PRO has a Dry weight of 63.0 kg (139.0 pounds).

What is the seat height of the 2005 GAS GAS 125 PRO?

The 2005 GAS GAS 125 PRO has a Seat height of 635 mm (25.0 inches) If adjustable, lowest setting..

GAS GAS 125 PRO - 2005 Specifications and Reviews

Name: 2005 GAS GAS 125 PRO
Brand: GAS GAS

The 2005 GAS GAS 125 PRO is a lightweight trial motorcycle designed for competitive riders and enthusiasts seeking precision handling on technical terrain. Powered by a liquid-cooled 125cc single-cylinder engine with a 6-speed transmission, it excels at navigating obstacles with minimal weight at just 63kg. Known for its responsive maneuverability and reliable performance in trial competition, this bike suits dedicated riders focused on skill development and off-road trial events.

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2005

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General information
Category	Trial
Year	2005
Model	GAS GAS 125 PRO

Engine and Transmission Specifications
Clutch	Hydraulic, 2 steel, 3 fibre discs
Transmission typefinal drive	Chain
Gearbox	6-speed
Cooling system	Liquid
Ignition	Kokusan digital CDI, electric flywheel magneto
Fuel system	Carburettor. Del´orto PHBHL 26BS
Bore x stroke	54.0 x 54.5 mm (2.1 x 2.1 inches)
Stroke	2
Engine type	Single cylinder
Capacity:	124.80 ccm (7.62 cubic inches)

Physical measures and capacities
Wheelbase	1,320 mm (52.0 inches)
Ground clearance	345 mm (13.6 inches)
Seat height	635 mm (25.0 inches) If adjustable, lowest setting.
Dry weight	63.0 kg (139.0 pounds)
GAS GAS 125 PRO dimensions and frame
Rear brakes	Single disc. 2-piston AJP
Front brakes	Single disc. 4-piston AJP
Rear tyre dimensions	4.00-18
Front tyre dimensions	2.75-21
Rear suspension	Progressive linkage system
Front suspension	Marzocchi 38mm conventional telescopic forks
Frame type	Deltabox, chromemoly tubing
Speed and acceleration
Color options	Yellow
Fuel capacity	2.90 litres (0.77 gallons)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track10%

City10%

Cornering40%

Daily Riding5%

Touring5%

Passenger0%

Rider Profile

Best For	Best suited to skilled or dedicated trial riders, as this machine demands precise clutch and balance control rather than raw throttle confidence.
Purpose	Purpose-built for competitive and recreational trials riding, tackling rocks, logs, and technical obstacles at near-walking pace.
Rider Fit	Its extremely low dry weight and slim chassis make it easy to muscle around, but the tall seat height and stand-up riding style favor an athletic, balanced rider.
Character	A featherweight, high-precision specialist tool that rewards finesse and balance over speed or comfort.
Not Ideal For	Not suitable for riders wanting a comfortable commuter, highway tourer, or passenger-carrying motorcycle.

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