The fuel system consists of a rear-mounted fuel tank, a mechanical or electric fuel pump, and a downdraft carburetor or Bosch fuel injection system. The fuel supply and return system is designed to prevent excessive heating of the fuel, on some models there is a compensation reservoir (photo), mounted on the intake hose to equalize fuel flow pulsations from the fuel pump.
The exhaust system on all models consists of an exhaust pipe and a twin distribution pipe.
The use of unleaded gasoline is permitted on all models. Details of ignition timing adjustment are given in Section 4.
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