Beta Alp 4.0 - 2009 Specifications and Reviews

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General information

CategoryTrial
ModelBeta Alp 4.0
Year2009
 
 

Engine and Transmission Specifications

ClutchWet multi-disc clutch
Gearbox6-speed
Cooling systemAir
Lubrication systemforced with pump
Fuel controlSOHC
Fuel systemCarburettor. Mikuni BST 33
Bore x stroke79.0 x 71.2 mm (3.1 x 2.8 inches)
Compression9.5:1
Engine typeSingle cylinder, four-stroke
Capacity:349.00 ccm (21.30 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter260 mm (10.2 inches)
Front brakesSingle disc
Rear tyre dimensions90/90-21
Front tyre dimensions90/90-21
Rear suspension travel220 mm (8.7 inches)
Rear suspensionMonoshock with adjustable spring preload
Front suspension travel220 mm (8.7 inches)
Front suspensionHydraulic fork with 46 mm shaft
Frame typesteel double cradle frame

Physical measures and capacities

Reserve fuel capacity3.00 litres (0.79 gallons)
Fuel capacity10.50 litres (2.77 gallons)
Wheelbase1,444 mm (56.9 inches)
Ground clearance275 mm (10.8 inches)
Overall width850 mm (33.5 inches)
Overall length2,208 mm (86.9 inches)
Overall height1,240 mm (48.8 inches)
Seat height863 mm (34.0 inches) If adjustable, lowest setting.
Dry weight133.0 kg (293.2 pounds)

Other specs

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

Performance Profile & Rider Fit

Best For

Track15%
City35%
Cornering55%
Daily Riding40%
Touring40%
Passenger25%

Rider Profile

Best ForBest suited to riders with at least some off-road or dual-sport experience, given the tall seat height and dirt-oriented ergonomics.
PurposeDesigned primarily for trail riding and dual-sport exploration rather than outright speed or highway cruising.
Rider FitThe tall 35.8 inch seat height and narrow perimeter-frame stance favor taller or more confident riders who can comfortably handle the bike standing or at a stop.
CharacterA light, single-cylinder trail bike with a lively, torquey feel and nimble handling suited to technical terrain and tight trails.
Not Ideal ForNot a good fit for riders wanting sustained high-speed highway touring or two-up comfort over long distances.

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

Rider Reviews

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