Posted by spiffy1 on April 17, 2009 at 20:11:47 from (70.41.137.72):
In Reply to: Hard-starting 15-30 posted by DAN DOYLE on April 17, 2009 at 19:21:39:
For the purpose of starting, it's easy to check the mag. If it's running rough etc, you need keener ears or better equipment than I to diagnose between condensor and coil break down, ect.
Put #1 (or any wire of the right length) wire on a spark plug and sit it on the oil cover. Engage the impulse [a '28, if original, I believe is E4A with manual impulse], and crank it over while watching the sparkplug.
Also, you can pull the 4 bolts from the bottom [note which # and wire {the wires may not be in the 'book' sequence} just fired so re-timing is easier] put two back in and stick in a vice for the easy viewing while you index it with the impulse engaged [if the impulse works you'll need a piece of barstock, a screwdriver or really strong wrists!].
If it's running good after pulling, I'm more inclined to think rings, valves, or carb. Oh, it will likely want a crank or two with choke first if you have the R style [if the exhaust is out the hood instead of side, you have an updated carb/manifold] carburator.
Finally, instead of pulling it why don't you throw a belt between the pulleys? Still a pain, but certainly safer!
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