Aprilia MXV 4.5 - 2011 Specifications and Reviews

The 2011 Aprilia MXV 4.5 is a lightweight motocross machine built for competitive riders seeking aggressive performance. Its 449cc V2 four-stroke engine delivers potent power with selectable engine mappings and electronic fuel injection for precise control across varied terrain. Best known for nimble handling and race-oriented engineering, it excels for serious off-road competitors.

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General information

CategoryCross / motocross
Year2011
ModelAprilia MXV 4.5

Engine and Transmission Specifications

Exhaust systemConforming to FIM standards for 2009.
DrivelinePrimary drive: Spur gears. Transmission ratio: 23/65. Final drive: Chain. Transmission ratio: 14/49.
ClutchMulti-plate in oil bath, cable operated.
Transmission type,final driveChain
Gearbox4-speed
Cooling systemLiquid
Lubrication systemDry sump. Separate gearbox lubrication.
IgnitionElectronic digital (batteryless).
Fuel controlSOHC
Fuel systemInjection. Integrated engine management system controlling ignition and fuel injection. Throttle body: 38 mm. Hard and soft mappings selectable from the handlebars.
Bore x stroke76.0 x 49.5 mm (3.0 x 1.9 inches)
Compression13.0:1
Max RPM12500
Engine typeV2, four-stroke
Capacity:449.00 ccm (27.40 cubic inches)
 
 

Brakes, suspension, Frame and wheels

WheelsBlack anodised aluminium alloy.
Rear brakes diameter240 mm (9.4 inches)
Rear brakesSingle disc
Front brakes diameter270 mm (10.6 inches)
Front brakesSingle disc
Rear tyre dimensions110/90-19
Front tyre dimensions80/100-21
Rear suspensionPro-Link with Sachs monoshock, adjustable in compression and rebound.
Front suspension50 mm Marzocchi upside down fork with adjustments for compression and rebound.
Rake (fork angle)26.2°
Frame typeCr-Mo steel perimeter frame with aluminium alloy vertical members. Headstock rake angle 26.2°. Lightweight rear frame section.
 
 

Physical measures and capacities

Fuel capacity7.40 litres (1.96 gallons)
Wheelbase1,499 mm (59.0 inches)
Overall width815 mm (32.1 inches)
Overall length2,190 mm (86.2 inches)
Seat height960 mm (37.8 inches) If adjustable, lowest setting.

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed
StarterKick

Performance Profile & Rider Fit

Best For

Track60%
City5%
Cornering70%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a competition-focused motocross machine best suited to experienced off-road riders comfortable with high-revving, aggressive powerbands and race-style handling.
PurposeBuilt purely for motocross racing and off-road competition, not for street use or general recreation.
Rider FitThe tall 960 mm seat height, kick starter, and stiff race suspension demand good rider fitness, strong legs, and off-road riding skill.
CharacterA lightweight, high-strung V2 four-stroke motocrosser with premium suspension components and race-bred chassis geometry designed for aggressive jumps and cornering.
Not Ideal ForThis is not suitable for commuting, touring, passengers, or riders seeking comfort, as it is unlit, unregistered for road use, and has no touring amenities.

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

Rider Fit Visualizer

2011 Aprilia MXV 4.5 Rider Ergonomics Assessment

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Feet:

At 960mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2011 Aprilia MXV 4.5, with a cramped knee angle of around 85 degrees and an upright 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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