The Bike Museum

Classic Italian Motorcycles

MV Agusta » 125 Monoalbero Corsa

Make MV Agusta
Model 125 Monoalbero Corsa
Capacity 123
Start Year 1952
End Year 1956
Bore Stroke 53mm x 56mm
Engine Config Single
Number Of Cylinders 1
Engine Type Four Stroke
Valves per Cylinder 2
Valve Operation Single Overhead Camshaft
Power 16
Cooling Air Cooled
Gears 4
Transmission Chain Drive
Weight 75
Front Wheel 1.75 x 19
Rear Wheel 2.25 x 19
Front Brake Drum
Rear Brake Drum
Top Speed 150
Fuel Cap 14
Number Make 400
Engine Number Range 150001- 1500400
Frame Number Range 150001- 1500400
RPM 10,500
Commpression Ratio 9.2
Carburettors DellOrto SS 27 A
Summary

MV Agusta won the first of its 37 grand prixtitles in 1952 when Cecil Sandford won the 125ccworld championship. At the time their Italian market customers were more interested in roadraces such as the Moto Giro and Milano-Taranto for motorcycles of up to 175cc equiped with lights and road equipment. Rules for these events did not allow twin overhead cam engines so MV produced this single ohc version which was otherwise identical to their GP winner. Around 400 were sold to private racers who discarded the kickstart and lights and raced at events from local street racing to top level GPs. These bikes were still winning races 10 years later.

MV Agusta 125 Monoalbero Corsa  Hand drawing by Ella
Hand drawing by Ella
MV Agusta 125 Monoalbero Corsa
MV Agusta 125 Monoalbero
MV Agusta 125 Monoalbero  Earles fork was an option for all years.  This is a twin cam factory racer.
Earles fork was an option for all years. This is a twin cam factory racer.
MV Agusta 125 Monoalbero
MV Agusta 125 Monoalbero  This is a twin cam engine.
This is a twin cam engine.
MV Agusta 125 Monoalbero
MV Agusta 125 Monoalbero
MV Agusta 125 Monoalbero
MV Agusta 125 Monoalbero  Cutaway Drawing - Crankcase
Cutaway Drawing - Crankcase
MV Agusta 125 Monoalbero  Cutaway Drawing - Cylinder and Head
Cutaway Drawing - Cylinder and Head