Honda SW-T400 - 2009 Specifications and Reviews

The 2009 Honda SW-T400 is a sporty maxi-scooter designed for riders seeking practical commuting with modern performance. Its 399cc twin-cylinder engine delivers responsive acceleration and smooth power delivery, while the automatic transmission and comfortable seating appeal to both novice and experienced riders. Known for reliability and efficient fuel injection technology, it balances everyday usability with engaging ride dynamics.

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General information

CategoryScooter
Year2009
ModelHonda SW-T400

Engine and Transmission Specifications

Transmission typefinal driveBelt
GearboxAutomatic
Cooling systemLiquid
Fuel controlDOHC
Valves per cylinder4
Fuel systemInjection
Bore x stroke64.0 x 62.0 mm (2.5 x 2.4 inches)
Torque37.80
Power38.48
Stroke4
Engine typeTwin
Capacity:399.00 ccm (24.35 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,600 mm (63.0 inches)
Seat height740 mm (29.1 inches) If adjustable, lowest setting.
Dry weight247.0 kg (544.5 pounds)

Honda SW-T400 dimensions and frame

Rear brakes diameter240 mm (9.4 inches)
Rear brakesSingle disc
Front brakes diameter276 mm (10.9 inches)
Front brakesSingle disc
Rear tyre dimensions150/70-13
Front tyre dimensions120/80-14

Speed and acceleration

Power/weight ratio0.1558 HP/kg
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsSilver, white, red, black
Fuel capacity16.00 litres (4.23 gallons)

Performance Profile & Rider Fit

38.5 hp
Peak Power
9.5s
0-60 mph

Best For

Track10%
City70%
Cornering40%
Daily Riding75%
Touring70%
Passenger70%

Rider Profile

Best ForSuitable for riders with some scooter or automatic-transmission experience who want a bigger, more substantial machine than a typical city scooter.
PurposeDesigned as a maxi-scooter for comfortable commuting and light touring, blending car-like convenience with motorcycle-style presence.
Rider FitIts low seat height and automatic transmission make it accessible, though its considerable weight requires care at low speed and when maneuvering.
CharacterA relaxed, practical, and comfort-oriented machine that prioritizes smooth power delivery and stability over outright performance.
Not Ideal ForNot for riders seeking sharp handling, off-road capability, or high-speed thrills.

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

Rider Fit Visualizer

2009 Honda SW-T400 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 740mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2009 Honda SW-T400, with a moderate knee angle of around 105 degrees and a slightly forward 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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