The Moto Guzzi 850 Le Mans Mark I was produced in 1977 and had a four-stroke, V-twin engine that was longitudinally mounted with OHV pushrod and 2 valves per cylinder. The bike had a capacity of 844cc with a compression ratio of 10.2:1 and was air-cooled. It had a gear-driven oil pump with a replaceable full flow oil filter for lubrication, and an induction of 2x 36mm Dell’Orto carburetors. The ignition was battery-powered with double contact breakers and coils, and the bike had electric starting. With a maximum power of 80 hp at 7300 rpm and max torque of 79 Nm at 6000 rpm, the Moto Guzzi 850 Le Mans Mark I had a top speed of 126 mph. The motorcycle had a 5-speed transmission and a final drive shaft, with a duplex cradle frame, telescopic fork front suspension, and swinging arm 5-way adjustable coil spring preload rear suspension. The braking system was 2x 300mm discs for the front and a single 242mm disc for the rear. It had a wheelbase of 1470mm, seat height of 775mm, ground clearance of 184mm, and a dry weight of 198kg with a fuel capacity of 22.5 litres. The bike could deliver an average fuel consumption of 39.6 mpg.
Technical specifications:
Make Model: Moto Guzzi 850 Le Mans Mark I
| Year | 1977 |
|---|---|
| Engine | Four stroke, 90 degrees V twin, longitudinally mounted, OHV pushrod, 2 valves per cylinder |
| Capacity | 844 cc / 51.5 cu-in |
| Bore x Stroke | 83 x 78 mm |
| Cooling System | Air cooled |
| Compression Ratio | 10.2:1 |
| Lubrication | Gear driven oil pump with replaceable full flow oil filter |
| Induction | 2x 36mm Dell’Orto carburetors |
| Ignition | Battery with double contact breakers and coils |
| Starting | Electric |
| Max Power | 80 hp / 59.7 kW @ 7300 rpm |
| Max Torque | 79 Nm / 57.5 lb-ft @ 6000 rpm |
| Transmission | 5 Speed |
| Final Drive | Shaft |
| Frame | Duplex cradle |
| Front Suspension | Telescopic forks |
| Rear Suspension | Swinging arm, 5-WAY adjustable coil springs preload |
| Front Brakes | 2x 300mm discs |
| Rear Brakes | Single 242mm disc |
| Front Tyre | 3.5H-18 |
| Rear Tyre | 4.10V-18 |
| Wheelbase | 1470 mm / 57.9 in |
| Seat Height | 775 mm / 30.5 in |
| Ground Clearance | 184 mm / 7.2 in |
| Dry Weight | 198 kg / 435 lbs |
| Wet Weight | 232 kg / 512 lbs |
| Fuel Capacity | 22.5 Litres / 5.9 US gal |
| Consumption Average | 39.6 mpg |
| Top Speed | 126 mph |
