Also available:

Usually, oil seals are changed due to oil leakage from under the seals or when repairing the engine

Also available:

To check and remove the idle speed controller (IAC), you need to remove the throttle assembly completely (see "Removing the throttle assembly") or partially

Also available:

A sign of the need to replace the front crankshaft oil seal is an oil leak through its edge

Also available:

Before disconnecting hoses and electrical wires, it is recommended to mark them so as not to confuse them during assembly

Also available:

Description of the fuel pump design

The B-9V fuel pump (Fig. 1) is a diaphragm type, driven by an eccentric located on the engine camshaft