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MotoLibrary Score
35/100Commuter
Power/Weight
0.08 hp/kg
Top Speed
80 km/h
Engine
50 ccm
Technical Overview
1989 Tomos BT 50 S Technical Analysis & Specification Breakdown
Positioned in Tomos's sport motorcycle lineup, the 1989 Tomos BT 50 S pairs a 50 cc (3.1 cu in) air-cooled single cylinder, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 5.5 HP (4 kW) at 8,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 110 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.
On the scales, the BT 50 S measures 70 kg (154 lbs) dry, translating to a power-to-weight ratio of 0.08 HP/kg (12.73 kg per horsepower).
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
