Yamaha TZR 50 - 2004 Specifications and Reviews

The 2004 Yamaha TZR 50 is an entry-level sport motorcycle designed for young and novice riders seeking an accessible introduction to sportbike styling. Its lightweight 113 kg frame and manageable 49.7cc single-cylinder engine deliver nimble handling and easy controllability, making it ideal for learning fundamental riding skills in an urban or training environment.

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Engine and Transmission Specifications

Bore x stroke40.3 x 39.0 mm (1.6 x 1.5 inches)
Compression6.9:1
Stroke2
Engine typeSingle cylinder
Capacity:49.70 ccm (3.03 cubic inches)

Physical measures and capacities

Wheelbase1,341 mm (52.8 inches)
Ground clearance151 mm (5.9 inches)
Overall width689 mm (27.1 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.
Dry weight113.0 kg (249.1 pounds)
 
 

Yamaha TZR 50 dimensions and frame

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter280 mm (11.0 inches)
Front brakesSingle disc
Rear tyre dimensions130/70-17
Front tyre dimensions100/80-17
Rear suspensionSwingarm
Front suspensionHydraulic and telescopic fork
 
 

Speed and acceleration

Color optionsChili (grey), Yamaha blue

CategorySport
Year2004
ModelYamaha TZR 50

Other specs

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

Performance Profile & Rider Fit

2.7 hp
Peak Power

Best For

Track35%
City75%
Cornering55%
Daily Riding45%
Touring15%
Passenger20%

Rider Profile

Best ForThis is a learner-legal 50cc sportbike best suited to new riders or younger riders starting out on two wheels, likely restricted by moped/learner licensing rules in its home market.
PurposeIt's designed as an affordable, sporty-looking commuter for short urban trips rather than any kind of serious performance machine.
Rider FitIts very light weight and low seat height make it easy and unintimidating for smaller or less experienced riders to handle and paddle around.
CharacterIt mimics full-size sportbike styling and a six-speed gearbox in a tiny two-stroke package, giving a playful, revvy feel despite minimal outright power.
Not Ideal ForIt's not for riders wanting real speed, highway touring capability, or the ability to carry a passenger any real distance.

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

Rider Fit Visualizer

2004 Yamaha TZR 50 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 2004 Yamaha TZR 50, 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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