These are the known mechanical and performance specifications for your 1976 Motobi Sei.
Basic Specs
Engine
Displacement747.00 ccm (45.58 cubic inches)
Type
DetailsIn-line six, four-stroke
Max RPM9000
Compression9.0:1
Bore/Stroke56.0 x 50.0 mm (2.2 x 2.0 inches)
Valves/Cylinder2
FuelingCarburettor. 3X Dellorto 24mm
Ignition
Exhaust6 into 6
LubricationWet sump
CoolingAir
Performance
Horespower71.00 HP (51.8 kW)
Torque77.00 Nm (7.9 kgf-m or 56.8 ft.lbs)
Top Speed220.0 km/h (136.7 mph)
Chassis
Frame Typedouble cradle steel
Rake
Trail
Front SuspensionMarcossochi
Front Travel
Rear Suspensiontwin shock
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height1,080 mm (42.5 inches)
Total Length2,120 mm (83.5 inches)
Total Width760 mm (29.9 inches)
Ground Clearance
Wheelbase1,450 mm (57.1 inches)
Dry Weight
Wet Weight
Wheels & Brakes
Front Tire/Tyre100/90-18
Rear Tire/Tyre120/90-18
Front BrakesDouble disc. Brembo
Front Brake Diameter280 mm (11.0 inches)
Rear BrakesSingle disc. Brembo
Rear Brake Diameter220 mm (8.7 inches)
Wheels
Comments
Special version of the Bennelli 750 sei, sold new in Spain