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Sport · 1977

850 SS Monza

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MotoLibrary Score
57 /100 Balanced
Power/Weight
0.31 hp/kg
Top Speed
235 km/h
Engine
837 ccm

1977 MV Agusta 850 SS Monza Technical Analysis & Specification Breakdown

Positioned in MV Agusta's sport motorcycle lineup, the 1977 MV Agusta 850 SS Monza pairs a 837 cc (51.1 cu in) air-cooled in-line four, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 81.8 HP (59.7 kW) at 9,000 rpm, transferring power to the rear wheel through shaft drive (cardan) final drive. With a specific output of 97.7 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

On the scales, the 850 SS Monza measures 260 kg (573 lbs) dry, translating to a power-to-weight ratio of 0.31 HP/kg (3.18 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,420 mm (55.9 in) wheelbase engineered for balanced agility and highway composure. The 24-liter (6.3 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 235 km/h (146 mph).

Within MotoLibrary's MV Agusta archive, this model family spans 2 indexed model years from 1977 to 1978, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
97.7 HP/L
Power-to-Weight
0.31 HP/kg (3.18 kg/HP)
Engine
Displacement 837.0 ccm (51.07 cubic inches)
Engine Type In-line four, four-stroke
Power 81.8 HP (59.7 kW)) @ 9000 RPM
Compression 10.3:1
Bore x Stroke 69.0 x 56.0 mm (2.7 x 2.2 inches)
Fuel System Carburettor. Dell´Orto 4x27 VHB
Fuel Control Double Overhead Cams/Twin Cam (DOHC)
Cooling Air
Transmission
Final Drive Shaft drive (cardan) (final drive)
Performance
Top Speed 235.0 km/h (146.0 mph)
Chassis
Frame Type Steel
Front Suspension Telescopic, Forcelle
Rear Suspension Dual Koni Shocks Preload Adjustable
Wheelbase 1420 mm (55.9 inches)
Wheels & Brakes
Front Tyre 3.5-18
Rear Tyre 4-18
Front Brakes Double disc
Rear Brakes Expanding brake (drum brake)
Dimensions & Weight
Dry Weight 260.0 kg (573.2 pounds)
Power/Weight 0.3146 HP/kg
Fuel Capacity 24.00 litres (6.34 US gallons)
Other
Color Options Red
More from MV Agusta
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Rider Profile

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