Le Mans Mkiii

An all-new model with the engine getting new, square-finned cylinder heads and barrels, a drop in compression ratio from 10.2:1 to 8:1, new exhaust and wind tunnel-designed fairing. The engine actually makes 3bhp more than the Mkll thanks to tighter manufacturing tolerances and a new air filtration and exhaust system. It's the last of the 850s.

Main: l ong legged and beefy - (he Gutzi's not bad eidier!

ENGINE (THIS

ONE)

Engine type:

ohv, V-twin

Bore X stroke:

83 X 78mm

Capacity:

844cc

Compression ratio: 10.2:1

Carburettor:

2x 36mm Dell'Orto

Lubrication:

Wet sump, gear pump

Claimed power:

[email protected]

Transmission:

Five-speed gearbox, dry, double plate clutch

Ignition:

Battery and coil with points

Electrical system:

12 volt alternator

Wheelbase:

59.5in

Front tyre:

3.50/80x18

Rear tyre:

4.00 x 18in

Front brake:

Twin 300mm Brembo discs

Rear brake:

Single 242mm Brembo disc

Dry weight:

196kg/431lb

Fuel capacity:

22.5 litres/5gallons

Top speed:

126.89mph (Motorcycling test 1979)

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