Quote:
Originally Posted by Matt G.
If the plug is really wet, you're flooding it. A lot of these old Kohlers flood really easily. Set the main needle on the carb at 2 1/4 turns out and the idle at 1 3/4. That should be close enough to get it started. Every engine starts a bit different. The ones that flood easily need more care with the choke. Set the throttle at about half, and start cranking with no choke. Pull the choke, and then shove it back in as soon as it pops. You might have to stop at 1/2 choke on the way back in if it doesn't catch. I've also had tractors that would only start at idle, and other weird things like that.
If it's timed properly and is getting gas, something else is wrong. It might be time to pull the head and see if you have a valve sealing issue or something. If you have spark and gas at the right time and it won't start, you might not have compression for some reason. A leakdown test would be best, as you could figure out what's going on without taking the head off.
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Thanks for the input...
Which carb adjustment is which? I can try resetting them, but they're set the same now as they were when it was running previously. I don't think it's flooding, but I can notice a bit of moisture on the plug (not like sopping wet or anything though).
Compression (or lack there of) I could maybe buy... but I'll be darned if it doesn't seem to 'suck' if I put my hand over the carb and crank, and 'blow' if I put my hand over the exhaust and crank it.