Trial · 1990

TR 35-260

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MotoLibrary Score

36 /100 Commuter

Power

12 HP

Top Speed

90 km/h

Engine

251 ccm

Technical Overview

1990 Beta TR 35-260 Technical Analysis & Specification Breakdown

Positioned in Beta's trial motorcycle lineup, the 1990 Beta TR 35-260 utilizes a 251 cc (15.3 cu in) air-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 12 HP (8.8 kW) at 5,400 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 47.8 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.

On the scales, the TR 35-260 measures 84 kg (185 lbs) wet (curb), translating to a power-to-weight ratio of 0.14 HP/kg (7 kg per horsepower). The 3.8-liter (1 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 90 km/h (56 mph).

Specific Output

47.8 HP/L

Power-to-Weight

0.14 HP/kg (7 kg/HP)

Engine

Displacement 251.0 ccm (15.32 cubic inches)

Engine Type Single cylinder, two-stroke

Engine Details Single cylinder, two-stroke

Power 12.0 HP (8.8 kW)) @ 5400 RPM

Compression 10.3:1

Bore x Stroke 76.0 x 57.5 mm (3.0 x 2.3 inches)

Fuel Control Membrane

Cooling Air

Transmission

Gearbox 6-speed

Final Drive Chain (final drive)

Performance

Top Speed 90.0 km/h (55.9 mph)

Wheels & Brakes

Front Tyre 2.75-21

Rear Tyre 4.00-18

Front Brakes Single disc

Rear Brakes Single disc

Dimensions & Weight

Weight incl. 84.0 kg (185.2 pounds)

Fuel Capacity 3.80 litres (1.00 US gallons)

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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

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Fuel Capacity

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Brakes

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Transmission

Transmission and final drive affect maintenance, smoothness and everyday usability.

Rider Profile

Who Is This Bike For?

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Beginner

A2 license compatible, manageable power.

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