Categories: ACMoto Guzzi

Moto Guzzi 1000 Le Mans Mark IV (1986-87)

The Moto Guzzi 1000 Le Mans Mark IV SE was produced from 1986 to 1987. The bike had a four-stroke, 90-degree V-twin alloy engine, which had two valves per cylinder and a pushrod valve system. The engine was air-cooled, and had a displacement of 948cc with a compression ratio of 10.0:1. It produced a maximum power of 81 hp at 7400 rpm and a maximum torque of 76.4 Nm at 6250 rpm. The transmission had five gears, and the final drive was by shaft. The bike had a double cradle frame, telescopic forks, and a dual shock rear suspension with five-way preload and four-way damping. Brakes consisted of twin 270 mm discs at the front and a single 270 mm disc at the rear. The wheels were cast alloy and the tires were 120/80 V16 at the front and 130/18 V18 at the rear. The bike weighed 215 kg dry and 228 kg wet, with a fuel capacity of 25 litres. Its average fuel consumption was 50.3 mpg. The bike had a top speed of 137.1 mph and could complete a quarter-mile run in 12.7 seconds, reaching a speed of 110.5 mph.


Technical specifications:

Make Model: Moto Guzzi 1000 Le Mans Mark IV Special Edition

Year: 1986 – 87

Engine: Four stroke, 90 degrees V twin alloy, longitudinally mounted, OHV, 2 valve per cylinder, All plain bearing engine with two mains and split shell big ends. One piece forged crankshaft. Steel con-rod split across big end eye. Valve operation: Pushrod from camshaft between cylinder bases in crankcase. Clearance by screw and locknut on rocker tips

Capacity: 948 cc / 57.8 cu-in



Bore x Stroke: 88 x 78 mm

Cooling System: Air cooled

Compression Ratio: 10.0:1

Induction: 2x 40mm Dell’Orto carburettors

Ignition: Battery & coil

Starting: Electric

Max Power: 81 hp / 59.1 kW) @ 7400 rpm

Max Power Rear Tyre: 72.6 hp / 54 kW @ 7250 rpm

Max Torque: 76.4 Nm / 56.4 lb-ft @ 6250 rpm

Clutch: Double plate, dry type

Transmission: 5 Speed

Final Drive: Shaft

Frame: Double cradle


Front Suspension: Telescopic forks variable damping

Rear Suspension: Dual shocks, 5-way preload and 4-way damping.

Front Brakes: 2x 270mm discs

Rear Brakes: Single 270mm disc

Wheels: Cast alloy

Front Tyre: 120/80 V16

Rear Tyre: 130/18 V18

Dry Weight: 215 kg / 475 lbs

Wet Weight: 228 kg / 503 lbs

Fuel Capacity: 25 Litres / 6.0 US gal


Consumption Average: 50.3 mpg

Braking 60 – 0 / 100 – 0: – / 36.8 m

Standing 1/4 Mile: 12.7 sec / 110.5 mph – 177.8 km/h

Top Speed: 137.1 mph / 220.6 km/h
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