Yamaha X-Max 400 Iron Max - 2016 Specifications and Reviews

The 2016 Yamaha X-Max 400 Iron Max is a practical maxi-scooter engineered for commuters and long-distance riders seeking comfort and storage. Powered by a fuel-injected 400cc twin-cam engine with electric start, it delivers reliable performance and excellent carrying capacity with underseat helmet storage and a protective windscreen. Best known for combining scooter convenience with sportier handling and highway capability.

2016
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General information

CategoryScooter
Year2016
ModelYamaha X-Max 400 Iron Max

Engine and Transmission Specifications

DrivelineV-Belt Automatic
Transmission type,final driveBelt
GearboxAutomatic
Cooling systemLiquid
Lubrication systemWet sump
IgnitionECU
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection
Bore x Stroke83.0 x 73.0 mm (3.3 x 2.9 inches)
Compression10.6:1
Torque33.80 Nm (3.4 kgf-m or 24.9 ft.lbs) @ 6000 RPM
Power31.08 HP (22.7 kW) @ 7500 RPM
Engine typeSingle cylinder, four-stroke
Capacity:395.00 ccm (24.10 cubic inches)
 
 

Brakes, suspension, Frame and wheels

SeatDual seat with independent backrest
Rear brakes diameter267 mm (10.5 inches)
Rear brakesSingle disc. ABS
Front brakes diameter267 mm (10.5 inches)
Front brakesDouble disc. ABS
Rear tyre150/70-13
Front tyre120/70-15
Rear wheel travel110 mm (4.3 inches)
Rear SuspensionUnit swing
Front wheel travel110 mm (4.3 inches)
Front SuspensionTelescopic fork

Physical measures and capacities

Fuel capacity14.00 litres (3.70 gallons)
Wheelbase1,565 mm (61.6 inches)
Ground clearance105 mm (4.1 inches)
Overall width780 mm (30.7 inches)
Overall length2,190 mm (86.2 inches)
Overall height1,385 mm (54.5 inches)
Seat height785 mm (30.9 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc215.0 kg (474.0 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsWindscreen.
Carrying capacityUnderseat storage for two full face helmets, glove compartment.
StarterElectric
Color optionsLiquid darkness

Performance Profile & Rider Fit

31.1 hp
Peak Power
8.5s
0-60 mph

Best For

Track15%
City85%
Cornering55%
Daily Riding82%
Touring68%
Passenger72%

Rider Profile

Best ForSuitable for riders with a full motorcycle license or maxi-scooter endorsement who have at least basic experience handling a heavier automatic two-wheeler.
PurposeDesigned as a comfortable, practical maxi-scooter for daily commuting with enough performance for occasional highway and weekend touring use.
Rider FitThe 785mm seat height and 215kg weight mean shorter or less experienced riders may find it a bit substantial at low speeds and when maneuvering off the stand.
CharacterA refined, torquey commuter that blends effortless automatic operation with confident stability and weather protection from its windscreen.
Not Ideal ForNot a good fit for riders seeking off-road capability, track-level performance, or an ultra-lightweight, flickable city runabout.

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

Rider Fit Visualizer

2016 Yamaha X-Max 400 Iron Max Rider Ergonomics Assessment

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

Feet:

At 785mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2016 Yamaha X-Max 400 Iron Max, with a moderate knee angle of around 110 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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