Air Pump Filter; Ignition Timing - Fiat X 1/9 1974 Service Manual

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AIR PUMP FILTER
Remove wing nut (1) on bottom of filter housing (3).
Remove filter (2). Install new filter. Tighten nut.
IGNITION TIMING
Hook up tune-up equipment such as scope and Dwell-
Tach.
Using tach check idle speed. Set idle speed at 850
rpm. Adjust carburetor.
1. Idle speed adjustment screw.
Using dwell meterl check dwell.
necessary.
Using strobe light, check ignition timing. Timing should
be 0" (TDC). If necessary, loosen nut on distributor
clamp and adjust distributor.
1. 0° (TDC). 2. 5°. 3. 10°.