Yamaha TZR50 - 2012 Specifications and Reviews

The 2012 Yamaha TZR50 is a liquid-cooled sport bike designed for young riders and beginners seeking an accessible entry into sportbike riding. Its lightweight 49cc two-stroke engine delivers nimble handling and responsive performance ideal for urban commuting and learning fundamental riding skills. The TZR50 is best known for combining sports styling with practical reliability and fuel efficiency.

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Engine and Transmission Specifications

DrivelineConstant Mesh
Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
Lubrication systemSeparate lubrication
IgnitionElectronic (CDI)
Fuel controlSOHC
Fuel systemCarburettor. PHBN 16
Bore x stroke40.3 x 39.0 mm (1.6 x 1.5 inches)
Compression11.5:1
Torque3.00 Nm (0.3 kgf-m or 2.2 ft.lbs) @ 5500
Power2.68
Engine typeSingle cylinder, two-stroke
Capacity:49.00 ccm (2.99 cubic inches)
 
 

CategorySport
Year2012
ModelYamaha TZR50

Brakes, suspension, Frame and wheels

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter280 mm (11.0 inches)
Front brakesSingle disc
Rear tyre dimensions130/70-H17
Front tyre dimensions100/80-H17
Rear suspension travel31 mm (1.2 inches)
Rear suspensionSwingarm
Front suspension travel130 mm (5.1 inches)
Front suspensionTelescopic fork
 
 

Physical measures and capacities

Fuel capacity14.00 litres (3.70 gallons)
Wheelbase1,341 mm (52.8 inches)
Overall length2,202 mm (86.7 inches)
Overall height1,105 mm (43.5 inches)
Seat height815 mm (32.1 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc128.0 kg (282.2 pounds)

Other specs

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

Performance Profile & Rider Fit

2.7 hp
Peak Power

Best For

Track25%
City70%
Cornering50%
Daily Riding40%
Touring15%
Passenger15%

Rider Profile

Best ForThis is a learner-legal 50cc moped-class machine, ideal for young or novice riders starting out, typically restricted by age and license class in most markets.
PurposeBuilt as an entry-level sporty commuter, mimicking full-size sportbike styling while offering minimal, city-friendly performance.
Rider FitVery light and low, with a compact seat height and short wheelbase, it suits smaller and lighter riders including teenagers without demanding strength or reach.
CharacterIt has sharp, toy-like sportbike looks with a two-stroke buzz and eagerness to be revved, but performance is modest by nature of its tiny engine.
Not Ideal ForThis is not for riders wanting real highway speed, long-distance touring comfort, passenger carrying, or any off-road capability.

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

Rider Fit Visualizer

2012 Yamaha TZR50 Rider Ergonomics Assessment

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Feet:

At 815mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2012 Yamaha TZR50, with a cramped knee angle of around 70 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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