Beta M4 - 2007 Specifications and Reviews

The 2007 Beta M4 is a lightweight 349cc supermoto designed for riders seeking affordable urban versatility and playful handling. Its air-cooled single-cylinder engine delivers accessible performance with carburettor simplicity, while the nimble chassis excels at mixed street and light dirt riding. Best suited to entry-level and experienced riders alike, the M4 became known for its genuine fun factor and genuine value proposition.

2007
5 stars Average rating: 5 from 1 votes
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General information

CategorySuper motard
Year2007
ModelBeta M4
 
 

Engine and Transmission Specifications

ClutchWet multi-disc clutch
Transmission typefinal driveChain
Gearbox6-speed
Cooling systemAir
Lubrication systemforced with pump
IgnitionElectronic
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)
Overall height1,220 mm (48.0 inches)
Seat height870 mm (34.3 inches) If adjustable, lowest setting.
Dry weight133.0 kg (293.2 pounds)

Beta M4 dimensions and frame

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter310 mm (12.2 inches)
Front brakesSingle disc
Rear tyre dimensions4.25-17
Front tyre dimensions3.5-17
Rear suspensionMonoshock with adjustable spring preload
Front suspension travel46 mm (1.8 inches)
Front suspensionHydraulic fork with 46 mm shaft
Frame typesteel double cradle frame

Speed and acceleration

Color optionsSilver, Black
Reserve fuel capacity3.00 litres (0.79 gallons)
Fuel capacity10.50 litres (2.77 gallons)

Other specs

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

Performance Profile & Rider Fit

5.5s
0-60 mph (est.)

Best For

Track65%
City75%
Cornering90%
Daily Riding50%
Touring20%
Passenger25%

Rider Profile

Best ForBest suited to intermediate or experienced riders who are comfortable with a tall, light, quick-turning single that demands active input; note the given specs are for a supermoto and align with the M4 name and category.
PurposeBuilt for sharp, flickable street and back-road cornering fun rather than long-distance travel or hauling gear.
Rider FitThe tall 870mm seat height and lightweight 133kg dry chassis favor riders of average-to-taller height who can confidently manage a top-heavy stance at a standstill.
CharacterA punchy, single-cylinder supermoto character that rewards aggressive throttle and brake inputs with immediate, playful responses and minimal rotating mass to fight against.
Not Ideal ForNot a good fit for riders seeking high-speed highway cruising, passenger comfort, or serious off-road capability given its street-biased 17-inch wheels and minimal wind protection.

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

Rider Fit Visualizer

2007 Beta M4 Rider Ergonomics Assessment

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

Feet:

At 870mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2007 Beta M4, with a relaxed knee angle of around 135 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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