Checking gap

Checking gap

The gap between sensor and phonic wheel must be 0.5-1.5 mm.

Checking electrical resistance

The resistance measured with a digital multi-meter must be between 650 and 720Ω at 20° C.

Because correct angular positioning of the rpm and TDC sensor is achieved by means of a rigid mount, this adjustment is not possible.

CHECKING IGNITION COIL PRIMARY WINDING RESISTANCE

Bring the probes of an ohmeter into contact with the positive terminal (marked +) and the negative terminal (marked –) respectively.

The primary winding resistance read off the instrument should be between 0.495 Ω and 0.605 Ω at 20° C.
If reading is less than 0.495 Ω or infinity, replace the ignition coil.

CHECKING IGNITION COIL SECONDARY WINDING RESISTANCE

Bring probes of an ohmeter into contact with the two high tension outputs.
The secondary winding resistance reading on the instrument should be between 6660 Ω and 8140 Ω at 20° C.
If a reading of infinity is obtained, replace the ignition coil.