Beta M4 4T Supermotard - 2006 Specifications and Reviews

The 2006 Beta M4 4T Supermotard is a lightweight 349cc single-cylinder machine ideal for riders seeking nimble urban performance and off-road versatility. Its air-cooled engine and compact dimensions deliver agile handling and fun factor, while the 5-speed transmission accommodates both street and dirt exploration. Known for approachable ergonomics and reliability, it appeals to beginners and experienced riders alike.

2006
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General information

CategorySuper motard
Year2006
ModelBeta M4 4T Supermotard

Engine and Transmission Specifications

Gearbox5-speed
Cooling systemAir
StarterElectric & kick
IgnitionElectronic
Fuel controlSOHC
Valves per cylinder4
Fuel systemCarburettor. Mikuni BST 33
Bore x stroke79.0 x 71.2 mm (3.1 x 2.8 inches)
Compression9.5:1
Stroke4
Engine typeSingle cylinder
Capacity:349.00 ccm (21.30 cubic inches)

Physical measures and capacities

Wheelbase1,410 mm (55.5 inches)
Ground clearance305 mm (12.0 inches)
Overall width860 mm (33.9 inches)
Overall length2,160 mm (85.0 inches)
Seat height920 mm (36.2 inches) If adjustable, lowest setting.
Dry weight133.0 kg (293.2 pounds)
 
 

Beta M4 4T Supermotard dimensions and frame

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter310 mm (12.2 inches)
Front brakesSingle disc
Rear suspension travel220 mm (8.7 inches)
Rear suspensionMonoshock with adjustable spring preload
Front suspension travel220 mm (8.7 inches)
Front suspensionHydraulic fork
Frame typeSteel
 
 

Speed and acceleration

Fuel capacity11.50 litres (3.04 gallons)

Other specs

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

Performance Profile & Rider Fit

Best For

Track75%
City80%
Cornering92%
Daily Riding45%
Touring20%
Passenger20%

Rider Profile

Best ForBest suited to intermediate or experienced riders who are comfortable with a tall, light, quick-steering bike and a firm single-cylinder power delivery.
PurposeBuilt for sharp, flickable street and trackday-style supermotard fun rather than long-distance travel or serious off-roading.
Rider FitThe tall 920mm seat height and light 133kg dry weight favor taller or more confident riders who can manage a top-heavy stance at low speed.
CharacterA raw, single-cylinder supermotard with quick handling, strong brakes, and a playful, aggressive personality suited to twisty roads and urban attack riding.
Not Ideal ForNot a good fit for riders wanting a plush, stable long-distance tourer or a heavy-duty off-road adventure machine.

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

Rider Fit Visualizer

2006 Beta M4 4T Supermotard Rider Ergonomics Assessment

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

Feet:

At 920mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2006 Beta M4 4T Supermotard, with a relaxed knee angle of around 145 degrees and a forward-leaning 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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