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Technical Overview
2009 GAS GAS SM450 Halley Technical Analysis & Specification Breakdown
Engineered by GAS GAS for the super motard motorcycle segment, the 2009 GAS GAS SM450 Halley pairs a 449 cc (27.4 cu in) liquid-cooled single cylinder, four-stroke architecture with road-focused gearing.
On the scales, the SM450 Halley measures 119 kg (262 lbs) dry. Rider ergonomics and chassis geometry center around a 860 mm (33.9 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,440 mm (56.7 in) wheelbase engineered for balanced agility and highway composure. The 7.5-liter (2 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Standover Height
860 mm (33.9 in)
Engine
Displacement449.0 ccm (27.40 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Valves/Cylinder4
Fuel SystemInjection. EFI
IgnitionIntegrated in the injection system.
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
ClutchMultidisc in oil bath, hydraulically operated.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
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.
