What category is the 2009 GAS GAS Halley 450?

The 2009 GAS GAS Halley 450 has a Category of Enduro / offroad.

What is the engine size of the 2009 GAS GAS Halley 450?

The 2009 GAS GAS Halley 450 has a Capacity: of 443.00 ccm (27.03 cubic inches).

What type of engine does the 2009 GAS GAS Halley 450 have?

The 2009 GAS GAS Halley 450 has a Engine type of Single cylinder, four-stroke.

Is the 2009 GAS GAS Halley 450 air cooled or liquid cooled?

The 2009 GAS GAS Halley 450 has a Cooling system of Liquid.

How many gears does the 2009 GAS GAS Halley 450 have?

The 2009 GAS GAS Halley 450 has a Gearbox of 6-speed.

What is the seat height of the 2009 GAS GAS Halley 450?

The 2009 GAS GAS Halley 450 has a Seat height of 890 mm (35.0 inches) If adjustable, lowest setting..

GAS GAS Halley 450 - 2009 Specifications and Reviews

Name: 2009 GAS GAS Halley 450
Brand: GAS GAS

The 2009 GAS GAS Halley 450 is a lightweight enduro bike designed for off-road enthusiasts seeking nimble trail performance. Its 443cc liquid-cooled single-cylinder engine delivers reliable power suited to intermediate and experienced riders tackling technical terrain. Known for its responsive handling and quality suspension setup with 230mm front and 220mm rear travel, this Spanish-built machine excels in demanding cross-country riding.

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2009

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General information
Category	Enduro / offroad
Year	2009
Model	GAS GAS Halley 450

Engine and Transmission Specifications
Clutch	Multidisc hidraulically operated.
Transmission type,final drive	Chain
Gearbox	6-speed
Cooling system	Liquid
Bore x stroke	97.0 x 60.8 mm (3.8 x 2.4 inches)
Engine type	Single cylinder, four-stroke
Capacity:	443.00 ccm (27.03 cubic inches)
Brakes, suspension, Frame and wheels
Rear brakes diameter	220 mm (8.7 inches)
Rear brakes	Single disc
Front brakes diameter	260 mm (10.2 inches)
Front brakes	Single disc. Double-piston caliper.
Rear tyre dimensions	130/90-18
Front tyre dimensions	90/90-21
Rear suspension travel	220 mm (8.7 inches)
Rear suspension	One-piece aluminium swing arm
Front suspension travel	230 mm (9.1 inches)
Front suspension	45 mm upside-down fork
Frame type	Deltabox*, made with rectangular CroMoly tubing.
Physical measures and capacities
Fuel capacity	7.40 litres (1.96 gallons)
Wheelbase	1,450 mm (57.1 inches)
Ground clearance	270 mm (10.6 inches)
Seat height	890 mm (35.0 inches) If adjustable, lowest setting.
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Color options	Red

Performance Profile & Rider Fit

Best For

Track30%

City25%

Cornering65%

Daily Riding25%

Touring25%

Passenger15%

Rider Profile

Best For	This bike suits intermediate to experienced off-road riders comfortable with a tall, lightweight, aggressive enduro machine.
Purpose	Built primarily for trail riding, technical enduro courses, and off-road competition rather than street use.
Rider Fit	The tall 890 mm seat height and light dirt-focused chassis favor taller, physically fit riders who can handle standing and shifting body weight actively.
Character	A nimble, high-revving single-cylinder enduro with long-travel suspension and a rigid CroMoly frame built for precise handling over rough terrain.
Not Ideal For	Not a good fit for riders seeking highway touring comfort, passenger carrying, or high top-speed street performance.

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

Rider Fit Visualizer

2009 GAS GAS Halley 450 Rider Ergonomics Assessment

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Feet:

At 890mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2009 GAS GAS Halley 450, with a cramped knee angle of around 80 degrees and an upright 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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