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My friend has a 1956 Ferguson tractor in good shape. What do I need to aquire a rough grass cutter (bushhog?)

I am working on a Husqvarna TB230 self-propelled mower model 12AVB2A3766. It has a B&S motor model 104M020004F1 with alot of compression: 150psi. That's great for combustion, and she runs good when you get it going. However, the pull is ALOT. The customer is struggling to start it. I can, but...

So with an ez start system how can Iwe know what the Operating compression is?

I've been working on a lawn mower and a rolling leaf blower and both have low compression (~50) but still start and run. How can this be? Are ez-start compression reliefs common in small motors now?

Hey Guys. I'm back to report my results: success. Changing the diode did the trick. The two parts tested the same, so I had doubts. But the battery life is dramatically improved. Thanks for all the great advice.

Gentlemen: my new diode arrived today And I figured out a different test. The regular Ohms resistance setting on my multimeter seems insufficient (Both the old and new ones show Null both directions. The replacement is no improvement.) However there is another setting on the dial that appears...

Okay. That's entirely possible. SO, are the aftermarket diodes okay? Or inferior?

Yes. The battery tests good and holds charge when disconnected. Pulling the stator connection is a good idea. Is the stator or diode a common source of battery drain?

Ok. I was thinking the same. The battery charging was low. But the real problem is drain between uses. So what else could it be?

Okay. No reading either way. Bad diode. THE HEDLIGHTS ARE AC?!

SGKENT is correct. I am diagnosing a battery drain

That all sounds right. That's what I am seeing. So is there a way to test the diode?

You are right. That was a serial number. I have changed it to say 44N677-0005-G1, tho I have not verified that information with my own eyes. Not having a VR makes sense, because I couldn't find one. So what keeps the battery from draining when not in use?

I'm working on a Husqvarna YTH22v46 96045006100 lawn tractor. The patrts algorithms say it has a Briggs & Stratton <UPDATED> motor 44N677-0005-G1. Where the heck is the voltage regulator?? ~John