2011 Yamaha Grand Majesty 400 Technical Analysis & Specification Breakdown
Positioned in Yamaha's scooter motorcycle lineup, the 2011 Yamaha Grand Majesty 400 utilizes a 395 cc (24.1 cu in) liquid-cooled single cylinder, four-stroke layout. In factory specification, peak output is rated at 33.5 HP (24.5 kW) at 7,500 rpm while maximum torque reaches 36.3 Nm (26.8 lb-ft), transferring power to the rear wheel through belt final drive. With a specific output of 84.8 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the Grand Majesty 400 measures 203 kg (448 lbs) dry, translating to a power-to-weight ratio of 0.17 HP/kg (6.06 kg per horsepower). Rider ergonomics and chassis geometry center around a 750 mm (29.5 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,565 mm (61.6 in) wheelbase engineered for planted straight-line stability. The 14-liter (3.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Yamaha archive, this model family spans 3 indexed model years from 2011 to 2015, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
84.8 HP/L
Power-to-Weight
0.17 HP/kg (6.06 kg/HP)
Standover Height
750 mm (29.5 in)
Engine
Displacement395.0 ccm (24.10 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power33.5 HP (24.5 kW)) @ 7500 RPM
Torque36.3 Nm (3.7 kgf-m or 26.8 ft.lbs)
Compression10.6:1
Bore x Stroke83.0 x 73.0 mm (3.3 x 2.9 inches)
Fuel SystemInjection. EFI
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
IgnitionTCI
LubricationWet sump
CoolingLiquid
Transmission
Final DriveBelt (final drive)
ClutchDry, centrifugal automatic
Chassis
Frame TypeAluminum die-cast and steel tube backbone
Front SuspensionTelescopic forks
Rear SuspensionUnit swing
Wheelbase1565 mm (61.6 inches)
Ground Clearance120 mm (4.7 inches)
Wheels & Brakes
Front Tyre120/80-14
Rear Tyre150/70-13
Front BrakesDouble disc. Anti-lock braking
Rear BrakesSingle disc
Dimensions & Weight
Dry Weight203.0 kg (447.5 pounds)
Power/Weight0.1651 HP/kg
Seat Height750 mm (29.5 inches) If adjustable, lowest setting.
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.
