Posted by Janicholson on September 12, 2008 at 11:57:10 from (199.17.6.128):
In Reply to: How Do you time a M ?? posted by Oldtractorfun on September 12, 2008 at 10:58:28:
Location of test leads: With a test light, Hook one to ground and one to the terminal comming out of the side of the dist. When light lights, the points are open.
The #1 cylinder must be at TDC This is at the end of the compression stroke, and the timing mark will be the last on in the series of marks. Putting your thumb, or a whistle on a hose, in the spark plug hole makes this simple.
An ohm meter will be used when the ignition is off. hooked up the same as the light. When the reading goes to infinite ohms, the points are open, when reading near zero, they are closed.
The distributor body does turn in a limited arc Look it over again, it is there.
Once the static timing is right on. The advanced timing can be checked with a light. If it is not advancing, or advancing on startup, the advance mechanism may beed to be repaired. The springs weaken, they also break. The pivots can get worn, and rust can limit movement. It will not run well if it is not advancing, or advancing too soon out of spec.
After getting this sorted, the carb can be adjusted to correct the mixture. I would run it under load for a while to get the plugs clean enough to use. JimN
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