Bultaco - Frontera (250cc) 75-81

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Bike Info

CC:
250
Bike Description:
1978 250 pursang
Frontera (250cc) Parts and accessories

Brakes

Front:
Drum
Rear:
Drum

Dimensions

Dry Weight:
235.8 lb
Fuel Capacity:
2.2 gallons / 9.3 litres

Electrics

Ignition:
kickstart

Engine

Type:
Air Cooled 2 Stroke Reed Valve Straight Single
Air Filtration:
Paper Element
Bore x Stroke:
72 x 60 mm
Carburation:
Bing Carburettor
Compression Ratio:
12 : 1
Displacement:
244.29 cc
Starting:
Kick starter

Transmission

Final Drive:
Chain
Gearchange Pattern:
1-N-2-3-4-5
Gear Ratio 1st:
3.48 : 1
Gear Ratio 2nd:
2.26 : 1
Gear Ratio 3rd:
1.6 : 1
Gear Ratio 4th:
1.22 : 1
Gear Ratio 5th:
1 : 1

Misc.

Frame:
single down tube
Motorcycle Style:
Trail / Scrambler
Place of Manufacture:
Barcelona Spain

Power

Fuel Consumption:
25 mpg
Max Power Output:
32.12 Bhp
Top Speed:
72 mph

Suspension

Front:
Telescopic fork
Rear:
swing arm with Betor gas/hydraulic

Wheels

Bearing Front Left:
3.0 x 21
Bearing Front Right:
4.00 x 18