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1977 MV Agusta 850SS Monza

The 1977 1977 MV Agusta 850SS Monza is a 837cc four-cylinder sport bike that became one of MV Agusta's most memorable motorcycles of the 1970s.

Specifications

Engine

Type
DOHC inline-4
Displacement
837 cc
Cylinders
4
Power
78 hp @ 8500 rpm
Torque
68.0 Nm
Compression
Bore × Stroke
69.0 × 56.0 mm
Cooling
Air-cooled
Fuel System
4x Dell'Orto carburetors

Chassis & Transmission

Frame
Steel double cradle
Front Suspension
Telescopic fork
Rear Suspension
Twin shock
Front Brake
Dual disc
Rear Brake
Drum
Front Tyre
Rear Tyre
Transmission
5-speed
Final Drive
Shaft

Performance

Top Speed
215 km/h (134 mph)
¼ Mile

Dimensions & Weight

Dry Weight
225 kg (496 lbs)
Wet Weight
244 kg (538 lbs)
Seat Height
800 mm
Wheelbase
1460 mm
Ground Clearance
Fuel Capacity
18.0 L

History & Story

The 1977 1977 MV Agusta 850SS Monza was introduced by MV Agusta as a sport bike aimed at riders seeking sport bike performance and style. Manufactured in Italy, it represented MV Agusta's vision for the four-cylinder sport bike market during the 1970s.

Powering the 1977 MV Agusta 850SS Monza is a 837cc DOHC inline-4 producing 78hp. This four-cylinder engine uses air-cooled cooling and draws fuel through 4x Dell'Orto carburetors. A 5-speed gearbox sends power via shaft final drive to the rear wheel.

Built around a steel double cradle frame, the 1977 MV Agusta 850SS Monza suspends its 225 kg (496 lbs) on telescopic fork forks and twin shock rear units. Braking relies on dual disc at the front and drum at the rear, with a 1460 mm wheelbase providing stability.

Performance-wise, the 1977 MV Agusta 850SS Monza achieves a claimed top speed of 215 km/h (134 mph). With a generous fuel capacity of 18.0 liters, it offers reasonable range for sport bike duties. The seat height of 800 mm makes it comfortable for most riders.

Today, the 1977 MV Agusta 850SS Monza is considered a desirable collector motorcycle that has appreciated significantly in value over the decades. Parts availability is rated as very difficult, making ownership a dedicated pursuit. It remains an icon of MV Agusta motorcycling from 1970s.

Known Issues

  • Parts extremely scarce and expensive
  • Shaft drive maintenance on four-cylinder models
  • Electrical components hard to source
  • Specialist knowledge required for maintenance

Fun Facts

  • The 1977 MV Agusta 850SS Monza is considered one of the most collectible motorcycles from MV Agusta
  • The 1977 MV Agusta 850SS Monza was produced in MV Agusta's Italy facilities
  • The 1977 MV Agusta 850SS Monza featured a steel double cradle frame typical of 1970s design philosophy

Collector Information

Parts Availability
Very difficult
Collector Rating
8/10

Resources & Parts