Model 137 250cc 1974

Bultaco Alpina

250 350

Alpina 250 of 1974
Id. Model 137 138
No. Series 137,000.001 138,000.001
Years 1974 - 1976
CC 244.29 347.95
Diameter x Carrera 72 x 60 mm 83.2 x 64 mm
Compression 9: 1 8.5: 1
CV 14.4 at 5,500 rpm at 18,55 rpm
Amal carburetor 2928
Change 5 speeds
Suspension facing the telescopic fork
Suspension behind hydraulic shock absorbers
Tire front 3.00 x 21
Tire rear 4,00 x 18
Front brakes 140 x 30 mm drum
Last brakes 140 x 30 mm drum
Dry weight 98.5 kg
Blue deposit with double fringe
silver (10.5 liters) Blue with double fringe
pumpkin (10.5 liters)

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