Factory Bike Phantom R 12 Agua - 2005 Specifications and Reviews

The 2005 Factory Bike Phantom R 12 Agua is a lightweight 50cc minibike designed for young riders and beginners seeking an affordable entry into motorcycling. Powered by a liquid-cooled two-stroke engine with automatic transmission, it prioritizes simplicity and ease of use. Best known for its compact design and reliable performance, this cross-style bike is ideal for learning fundamentals and casual off-road riding.

2005
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Engine and Transmission Specifications

ClutchAutomatic
Transmission typefinal driveChain
GearboxAutomatic
Cooling systemLiquid
Lubrication systemMixed 2T oil 2%
StarterKick
IgnitionCDI
Fuel systemCarburettor. Dell´Ortho 19 mm
Bore x stroke39.0 x 41.7 mm (1.5 x 1.6 inches)
Compression13.0:1
Power11.00
Stroke2
Engine typeSingle cylinder
Capacity:49.80 ccm (3.04 cubic inches)
 
 

Physical measures and capacities

Wheelbase975 mm (38.4 inches)
Overall width700 mm (27.6 inches)
Overall length1,400 mm (55.1 inches)
Overall height950 mm (37.4 inches)
Seat height670 mm (26.4 inches) If adjustable, lowest setting.
Dry weight43.0 kg (94.8 pounds)
 
 

Factory Bike Phantom R 12 Agua dimensions and frame

Rear brakesSingle disc
Front brakes diameter165 mm (6.5 inches)
Front brakesSingle disc
Rear suspensionMonshock
Front suspensionPaioli
Frame typeHardened steel

Speed and acceleration

Power/weight ratio0.2558 HP/kg

CategoryMinibike, cross
Year2005
ModelFactory Bike Phantom R 12 Agua

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed, Blue
Fuel capacity2.50 litres (0.66 gallons)

Performance Profile & Rider Fit

Best For

Track40%
City20%
Cornering55%
Daily Riding10%
Touring5%
Passenger0%

Rider Profile

Best ForThis tiny 50cc minibike is best suited to beginners, kids, or experienced riders looking for playful pit-bike fun rather than serious performance.
PurposeIt's designed as a fun, lightweight minicross bike for messing around on small tracks, backyards, or closed courses, not for real transportation.
Rider FitIts ultra-low weight and tiny dimensions make it extremely easy to muscle around, but it will feel cramped and toy-like for taller or heavier adult riders.
CharacterExpect a buzzy, high-revving two-stroke character with instant lightness and flickable handling rather than outright speed.
Not Ideal ForIt is not suitable for highway riding, long distance touring, carrying a passenger, or anyone needing a practical daily commuter.

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

Rider Reviews

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