DarrenW
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| posted on 19/4/07 at 01:15 PM |
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The cap is keyed to fit one way only.
What is very easy to do is to line up the TDC markers on the crank pulley on the wrong stroke, thus when you refit the dizzy etc to align the rotor
arm to the notch you have the timing 180 deg out.
To rectify you get the cam sprocket almost aligned, rotate crank pulley to correct timing mark (eg 8deg or so BTDC) and then check rotor arm is
aligned correctly. If it is pointing wrong direction (ie 180deg out), pull the dizzy out and replace half a turn round.
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d mac2b7
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| posted on 21/4/07 at 09:11 AM |
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Cap is on the right way. Compression on no1 spark plug hole lines up with notch on dissy/no1 lead and 12° btdc mark on bottom pulley. Dizzy has not
been moved since it ran last week. Plugs are wet with petrol. Its got to be something to do with the ignition amp!!( or wiring of )
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Andy D
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| posted on 21/4/07 at 10:12 AM |
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quote:
Originally posted by d mac2b7
Cap is on the right way. Compression on no1 spark plug hole lines up with notch on dissy/no1 lead and 12° btdc mark on bottom pulley. Dizzy has not
been moved since it ran last week. Plugs are wet with petrol. Its got to be something to do with the ignition amp!!( or wiring of )
When it's all lined up, is the trigger wheel (four legged star shaped thing) lined up with the sensor? They have been known to move on the
spindle. Easily done when turning the engine over with the dizzy cap off, a clip drops in and jams the trigger wheel, and it moves on the shaft. Done
it myself!
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stevebubs
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| posted on 21/4/07 at 12:07 PM |
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1) Do you have points? Guessing not if you have an amp but if you do then this is a typical symptom of the points gap closing up...
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d mac2b7
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| posted on 21/4/07 at 03:06 PM |
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Andy,
If the 4legged thing has moved, is it easy to move it back???? How do i know its in the correct position??
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Andy D
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| posted on 21/4/07 at 03:52 PM |
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quote:
Originally posted by d mac2b7
Andy,
If the 4legged thing has moved, is it easy to move it back???? How do i know its in the correct position??
Have just looked in a Sierra Haynes manual, they refer to the star shaped thingy, as trigger vanes.
So, with the rotor arm pointing at the line marked on the distributer body, the four trigger vanes should align with the four sensor vanes. i.e., when
the dizzy fires, the rotor arm should be adjacent to a plug lead segment in the dizzy cap...
Yes, mine moved with suprisingly little persuasion from a screwdriver blade. 
And if you do have to move it, dont forget to check the ignition timing. Hope that's of some help.
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d mac2b7
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| posted on 21/4/07 at 04:29 PM |
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Cheers Andy, will check it out.
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