Posted by JRSutton on November 19, 2011 at 03:32:26 from (75.130.109.233):
In Reply to: 154 won't fire posted by Jim Becker on November 18, 2011 at 07:22:15:
Hard to say how slow is too slow.
Definitely don't get into 24volts, you're wasting your time.
GENERALLY speaking, you don't need to turn the engine over very quickly at all to get it to start.
If you do have to, there are other problems. Turning it over faster is only hiding the problem.
If it's TRULY going way too slow - that means you don't have the CURRENT to turn the starter - either weak battery/corroded connections/bad starter.
I'd undo and sand/file all connections from the battery to the starter - INCLUDING the one everyone forgets - the ground connection on the chassis side of the battery ground cable.
I think you'll find that at least speeds the starter up a little, if not solve your problem.
After that, go back to basics on your engine - it SHOULD start even with a slow starter.
Make sure your using fresh gas, and your carb is clean (see if a little starter fluid will get it to start - if it does, you probably have blockage in your carb)
Check your plugs, make sure they're all firing, with a strong spark, and firing at the right time (timing).
Clean your points.
Check your compression to be sure you don't have deeper problems.
I'm not familiar with the 154 and valves, but if they're adjustable, adjust them.
If all that does nothing for you and you feel it's really turning too slowly, I'd pull the starter and bring it somewhere for testing/rebuild.
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