Bultaco Metralla: history, specs, pictures

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Bultaco Metralla

The Bultaco Metralla 250 GT was a single cylinder, two-stroke sport motorcycle produced between 1964 and 1976. It could reach a top speed of 81 mph (131 km/h). Claimed horsepower was 22.53 HP (16.8 KW) @ 7500 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, two-stroke. A 72.0mm bore x 60.0mm stroke result in a displacement of just 244.0 cubic centimeters. The engine featured a 10.0:1 compression ratio. Fuel was supplied via a port control.

Drive[edit | edit source]

The bike has a 5-speed transmission. The final drive was via chain. Power was moderated via the wet multiplate.

Bultaco Metralla

Chassis[edit | edit source]

It came with a 3.25-19 front tire and a 3.50-18 rear tire. Stopping was achieved via expanding brake in the front and a expanding brake in the rear. The Metralla 250 GT was fitted with a 3.7 Gallon (14.00 Liters) fuel tank.

In Media[edit | edit source]

Bultaco-Metralla.jpg
Bultaco Metralla
Manufacturer
Also called Metralla 250 GT, Metralla 250
Production 1964 - 1976
Engine
single cylinder, two-stroke
Bore / Stroke 72.0mm x 60.0mm
Top Speed 81 mph (131 km/h)
Horsepower 22.53 HP (16.8 KW) @ 7500RPM
Fuel System carburetor
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: wet multiplate
Brakes Front: expanding brake
Rear: expanding brake
Front Tire 3.25-19
Rear Tire 3.50-18
Weight 130.0 kg (wet)
Fuel Capacity 3.7 Gallon (14.00 Liters)
Manuals Service Manual


The Bultaco Metralla 250 GT was a single cylinder, two-stroke standard produced by Bultaco between 1964 and 1976. It could reach a top speed of 81 mph (131 km/h). Claimed horsepower was 22.53 HP (16.8 KW) @ 7500 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, two-stroke. A 72.0mm bore x 60.0mm stroke result in a displacement of just 244.0 cubic centimeters. Fuel was supplied via a port control.

Drive[edit | edit source]

The bike has a 5-speed transmission. Power was moderated via the wet multiplate.

Chassis[edit | edit source]

It came with a 3.25-19 front tire and a 3.50-18 rear tire. Stopping was achieved via expanding brake in the front and a expanding brake in the rear. The Metralla 250 GT was fitted with a 3.7 Gallon (14.00 Liters) fuel tank.

In Media[edit | edit source]