The Moto Guzzi 1000 Le Mans Mark IV is a motorcycle from 1984 to 1987. It has a four-stroke, 90-degree V-twin alloy engine that is air-cooled with a capacity of 948cc. The engine has two valves per cylinder and is all plain bearing with two mains and split shell big ends, a one-piece forged crankshaft, steel con-rod split across big-end eye and pushrod valve operation. The bike has a compression ratio of 10.0:1, two 40mm Dell’Orto carburettors, and a battery and coil ignition system. With a double cradle frame, telescopic forks variable damping front suspension and dual shocks, 5-way preload and 4-way damping rear suspension, the Moto Guzzi 1000 Le Mans Mark IV provides a smooth ride. The bike weighs in at 215kg dry and 228kg wet with a fuel capacity of 25 litres. The maximum power is 81hp at 7400 rpm, with a maximum torque of 76.4 Nm at 6250 rpm. The fuel consumption average is 50.3 mpg, and the top speed is 137.1 mph. The braking distance for 60-0/100-0 is not provided, but the standing 1/4 mile distance is 12.7 seconds with a top speed of 110.5 mph. Overall, the Moto Guzzi 1000 Le Mans Mark IV is a powerful and reliable motorcycle.
Technical specifications:
Make Model: Moto Guzzi 1000 Le Mans Mark IV
| Year | 1984 – 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 |
