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Trying to adjust the ignition timing on a '78 750 I bought as a non-runner.
Thinking the PO may have fooled around under the timing cover, I removed the points cam and re-installed it 180 degrees reversed, then I set points gap and timing as per the book, which got me revved because static timing went as it was supposed to with an ohmmeter. I finally worked up the courage to try starting it last night and nothing but the occasional back-fire.
Out of desparation, I reinstalled the cam where it had originally been, leaving the timing plate where I had set it previously, and she ran just long enough to detect warming of the #2&4 headers, but not long enough to use a strobe light on.
What I need is to eliminate some ifs; can someone please remove their points cover and note exactly what the high point on the cam align with on the advancer?
With the cam installed one way (as it was originally) the static pro-cedure is hopeless, as the points gap at the F1 mark is around 9 thou.
There will never be enough travel on the breaker plate to close that knid of gap! But she will fire.
With the cam reversed, the static timing procedure goes as it should, but the engine will not even hint at running.
She'll soon be for parts!
Anyone who can help will earn my eternal servitude!
Thinking the PO may have fooled around under the timing cover, I removed the points cam and re-installed it 180 degrees reversed, then I set points gap and timing as per the book, which got me revved because static timing went as it was supposed to with an ohmmeter. I finally worked up the courage to try starting it last night and nothing but the occasional back-fire.
Out of desparation, I reinstalled the cam where it had originally been, leaving the timing plate where I had set it previously, and she ran just long enough to detect warming of the #2&4 headers, but not long enough to use a strobe light on.
What I need is to eliminate some ifs; can someone please remove their points cover and note exactly what the high point on the cam align with on the advancer?
With the cam installed one way (as it was originally) the static pro-cedure is hopeless, as the points gap at the F1 mark is around 9 thou.
There will never be enough travel on the breaker plate to close that knid of gap! But she will fire.
With the cam reversed, the static timing procedure goes as it should, but the engine will not even hint at running.
She'll soon be for parts!
Anyone who can help will earn my eternal servitude!
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