Tomos BT-50 - 1986 Specifications and Reviews

The 1986 Tomos BT-50 is a lightweight 49cc minibike suited for novice and young riders seeking an affordable entry into motorcycling. Known for its reliable single-cylinder two-stroke engine and nimble handling, this sport-oriented machine delivers spirited performance with its 5.48 horsepower and five-speed transmission, making it ideal for urban commuting and recreational riding.

1986
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Engine and Transmission Specifications

Clutchwet plate
Transmission typefinal driveChain
Gearbox5-speed
Cooling systemAir
IgnitionDigital Iskra
Fuel systemCarburettor. Bing 17mm
Max RPM9000
Power5.48
Stroke2
Engine typeSingle cylinder
Capacity:49.00 ccm (2.99 cubic inches)

Physical measures and capacities

Exhaust systemSingle steel pipe
Rear brakesExpanding brake (drum brake)
Front brakesSingle disc. single piston caliper
Front tyre dimensions4.0-17
Frame typeSteel tubes
 
 

Speed and acceleration

Top speed85.0 km/h (52.8 mph)

CategoryMinibike, sport
Year1986
ModelTomos BT-50

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed,grey,light blue
Fuel consumption pr. 10 km (6.2 miles)4.00 litres (1.06 gallons)
Reserve fuel capacity1.00 litres (0.26 gallons)
Fuel capacity11.50 litres (3.04 gallons)

Performance Profile & Rider Fit

5.5 hp
Peak Power
52.8 mph
Top Speed

Best For

Track15%
City70%
Cornering45%
Daily Riding40%
Touring8%
Passenger10%

Rider Profile

Best ForThis is a beginner-friendly minibike, well suited to new or young riders learning basic control and traffic awareness.
PurposeIt's designed for short, low-speed urban trips and casual fun rather than any serious performance riding.
Rider FitIts small, lightweight frame and low seat height make it accessible to riders of nearly any size or strength.
CharacterThe bike has a playful, simple, old-school moped character with modest power and easygoing manners.
Not Ideal ForIt's not suitable for highway travel, long-distance touring, or riders seeking real speed or off-road capability.

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

Rider Reviews

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