What category is the 1990 Tomos BT?

The 1990 Tomos BT has a Category of Allround.

What is the engine size of the 1990 Tomos BT?

The 1990 Tomos BT has a Capacity: of 50.00 ccm (3.05 cubic inches).

What type of engine does the 1990 Tomos BT have?

The 1990 Tomos BT has a Engine type of Single cylinder, two-stroke.

What is the engine power of the 1990 Tomos BT?

The 1990 Tomos BT has a Power of 6.00.

What is the top speed of the 1990 Tomos BT?

The 1990 Tomos BT has a Top speed of 90.0 km/h (55.9 mph).

Is the 1990 Tomos BT air cooled or liquid cooled?

The 1990 Tomos BT has a Cooling system of Air.

How many gears does the 1990 Tomos BT have?

The 1990 Tomos BT has a Gearbox of 5-speed.

How much does the 1990 Tomos BT weigh?

The 1990 Tomos BT has a Dry weight of 70.0 kg (154.3 pounds).

Tomos BT - 1990 Specifications and Reviews

Name: 1990 Tomos BT
Brand: Tomos

The 1990 Tomos BT is a lightweight 50cc two-stroke designed for novice and commuter riders seeking economical, practical transportation. Its air-cooled single-cylinder engine delivers modest 6 horsepower with a 90 km/h top speed, making it ideal for urban riding and short distances. Known for reliability and simplicity, this allround model features a 5-speed manual gearbox and weighs just 70kg.

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1990

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Engine and Transmission Specifications
Transmission type,final drive	Chain
Gearbox	5-speed
Cooling system	Air
Fuel system	Carburettor
Bore x stroke	38.0 x 0.0 mm (1.5 x inches)
Top speed	90.0 km/h (55.9 mph)
Power	6.00
Engine type	Single cylinder, two-stroke
Capacity:	50.00 ccm (3.05 cubic inches)


Category	Allround
Year	1990
Model	Tomos BT
Brakes, suspension, Frame and wheels
Rear brakes	Expanding brake (drum brake)
Front brakes diameter	220 mm (8.7 inches)
Physical measures and capacities
Fuel capacity	9.00 litres (2.38 gallons)
Power/weight ratio	0.0857 HP/kg
Dry weight	70.0 kg (154.3 pounds)

Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Starter	Kick

Performance Profile & Rider Fit

5.4 hp

Peak Power

Best For

Track10%

City70%

Cornering40%

Daily Riding45%

Touring8%

Passenger10%

Rider Profile

Best For	This is a beginner-friendly moped ideal for new riders or teenagers just learning throttle and clutch control.
Purpose	Built as a lightweight 49cc sport moped for short urban hops and cheap, nimble commuting rather than any kind of serious performance riding.
Rider Fit	Very low physical demand, with a small, light frame that suits riders of almost any size or strength.
Character	A fun, buzzy little two-stroke with a playful character that rewards revving it out rather than relying on outright power.
Not Ideal For	Not suitable for highway travel, long-distance touring, carrying a passenger comfortably, or anyone seeking real speed and power.

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