Idle speed linkage clean (Every 12 000 miles (20 000 km) or 12 months)

On carburettor models which incorporate a stepper motor (ie. Weber 2V from 1985), good electrical contact between the motor plunger and the adjusting screw is essential to maintain a regular idle speed.

Clean the plunger and adjusting screw contact faces with abrasive paper followed by switch cleaning fluid. Switch cleaning fluid is available from electronic component shops.

    See also:

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    Principle of operation
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