At the heart of the 2015 ATK GV250 custom - cruiser motorcycle, ATK pairs a 249 cc (15.2 cu in) oil & air-cooled v2, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 27 HP (19.7 kW) at 10,500 rpm while maximum torque reaches 22.7 Nm (16.7 lb-ft) at 8,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 108.4 HP per liter and a 2,500 rpm working window between peak torque (8,000 rpm) and peak power (10,500 rpm), the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.
On the scales, the GV250 measures 149.7 kg (330 lbs) dry, translating to a power-to-weight ratio of 0.18 HP/kg (5.54 kg per horsepower). Rider ergonomics and chassis geometry center around a 762 mm (30 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,435 mm (56.5 in) wheelbase engineered for balanced agility and highway composure. The 14-liter (3.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's ATK archive, this model family spans 3 indexed model years from 2014 to 2016, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
108.4 HP/L
Power-to-Weight
0.18 HP/kg (5.54 kg/HP)
Power Band Window
8,000–10,500 rpm
Standover Height
762 mm (30 in)
Engine
Displacement249.0 ccm (15.19 cubic inches)
Engine TypeV2, four-stroke
Engine Details75° V-twin
Power27.0 HP (19.7 kW)) @ 10500 RPM
Torque22.7 Nm (2.3 kgf-m or 16.7 ft.lbs) @ 8000 RPM
Compression10.3:1
Bore x Stroke57.0 x 48.8 mm (2.2 x 1.9 inches)
Valves/Cylinder4
Fuel SystemInjection. EFI, Optional carburator
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
LubricationWet sump
CoolingOil & air
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchWet, muti plate
Driveline520 chain
Chassis
Front SuspensionUpside down Telescopic fork
Rear SuspensionSwing arm with progressive linkage hydraulic mono shock absorber
Wheelbase1435 mm (56.5 inches)
Ground Clearance196 mm (7.7 inches)
Wheels & Brakes
Front Tyre110/70-17
Rear Tyre150/70-17
Front BrakesDouble disc. Semi floating double discs, 2 pistons calipers
Front Brake Ø300 mm (11.8 inches)
Rear BrakesSingle disc. 2 pistons caliper
Rear Brake Ø230 mm (9.1 inches)
WheelsBlack, 5-spoke
Dimensions & Weight
Dry Weight149.7 kg (330.0 pounds)
Power/Weight0.1804 HP/kg
Seat Height762 mm (30.0 inches) If adjustable, lowest setting.
Overall Length2096 mm (82.5 inches)
Fuel Capacity14.00 litres (3.70 US gallons)
Reserve Fuel2.00 litres (0.53 US gallons)
Other
StarterElectric
Color OptionsSilver, black, silver/black, red/black, orange/black
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.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
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.
