Series Land Rover
(Australia & NZ)
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Series Land Rover Zenith Carburettor Problems Problems experienced which can be attributed to a carburettor fault include excessive fuel consumption, difficult starting when hot, lack of power, black exhaust smoke, uneven idling speed and engine stalling. With the exception of the black exhaust smoke, these problems could also be caused by incorrect ignition timing or distributor faults, so check the ignition system before assuming the fault lies with the carburettor. One problem the Zenith can suffer from is transfer of fuel from the float chamber into the top section via a damaged O-ring. This results in an over-rich mixture, especially noticeable at idling speed and not recoverable by adjusting the idling screw. The cure is a replacement O-ring from a Zenith servicing kit. As with most carburettors, the accelerator spindle can cause wear in its mounting bush - fuel can be seen leaking from where the spindle enters the carburettor. There is no easy DIY cure for this, so to extend the life of the bushing, make sure there is no sideways stress on the spindle due to mis-aligned accelerator linkage on the carburettor. ******************** |