750 H2 and 500 H1-D Ignition System
Last update: 2009-01-11
Ignition Trouble Shooting
This contents treat possibility of a trouble to be caused by electric parts under three heads.
Choose your trouble from the following list. The next check a head of case. These heads point out possibility of a trouble for a problem.
First pill off the spark plug wires and use a good plug to test the spark for each cylinder.
Engine will not start at all
- Strong spark all cylinders...
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- Trouble outside ignition system.
Check the fuel system and carburetor
- Plug firing in wrong order due to wrong wiring.
Check spark plug wiring
- Plugs bad.
Replace spark plug
- Weak spark all cylinders...
-
- No spark any cylinder...
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Hard to start or power
- Strong spark all cylinder...
-
- Trouble outside ignition system
Check the fuel system or engine parts
- Plug(s) dirty or bad.
To cleaning or replace spark plug(s)
- Timing incorrect.
Check ignition timing 
- Weak spark all cylinders...
-
- Weak spark one cylinder...
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No power or missing at high speed
- Strong spark all cylinders...
-
- Trouble outside ignition system.
Check the fuel system or engine parts
- Plug(s) dirty or bad.
To cleaning or replace spark plug(s)
- Timing incorrect.
Check ignition timing
- AC generator high speed winding bad.
Check the generator
- Weak or no spark one cylinder...
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