Yamaha PW 50 - 2007 Specifications and Reviews

The 2007 Yamaha PW 50 is a lightweight, entry-level off-road machine purpose-built for young riders learning fundamental riding skills. Its 49cc four-stroke engine delivers manageable power with automatic transmission and forgiving handling characteristics, making it the quintessential beginner pit bike and training tool for youth motocross enthusiasts.

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Engine and Transmission Specifications

Transmission type,final driveShaft drive (cardan)
GearboxAutomatic
Cooling systemAir
IgnitionCDI
Fuel systemCarburettor. 12 mm Mikuni
Bore x stroke40.0 x 39.2 mm (1.6 x 1.5 inches)
Compression6.0:1
Engine typeSingle cylinder, four-stroke
Capacity:49.00 ccm (2.99 cubic inches)

CategoryEnduro / offroad
Year2007
ModelYamaha PW 50

Brakes, suspension, Frame and wheels

Rear brakesExpanding brake (drum brake)
Front brakesExpanding brake (drum brake)
Rear tyre dimensions2/10-2
Rear suspension travel51 mm (2.0 inches)
Rear suspensionDual shocks
Front suspension travel61 mm (2.4 inches)
Front suspension22mm telescopic fork
 
 

Physical measures and capacities

Fuel capacity1.89 litres (0.50 gallons)
Wheelbase856 mm (33.7 inches)
Ground clearance104 mm (4.1 inches)
Overall width574 mm (22.6 inches)
Overall length1,245 mm (49.0 inches)
Overall height714 mm (28.1 inches)
Seat height485 mm (19.1 inches) If adjustable, lowest setting.
Dry weight37.2 kg (82.0 pounds)

Other specs

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

Performance Profile & Rider Fit

Best For

Track5%
City5%
Cornering20%
Daily Riding5%
Touring2%
Passenger0%

Rider Profile

Best ForThis is a first-motorcycle machine built specifically for young children just learning to ride, not for teens or adults of any skill level.
PurposeIt exists purely to teach small kids basic throttle and balance control in a low-speed, low-risk offroad setting like a yard or gentle trail.
Rider FitIts tiny 37.2 kg dry weight, 485 mm seat height, and automatic transmission make it manageable for a young child's small stature and limited strength.
CharacterIt has a gentle, forgiving personality with a tame single-cylinder engine, automatic clutchless operation, and simple drum brakes suited to supervised beginner use.
Not Ideal ForIt is not suitable for adults, teenagers, highway or trail riding at speed, or anyone seeking real touring, cornering, or performance capability.

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

Rider Fit Visualizer

2007 Yamaha PW 50 Rider Ergonomics Assessment

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Feet:

At 485mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2007 Yamaha PW 50, with a cramped knee angle of around 40 degrees and a slightly forward 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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