On Sat, 9 Sep 2006 11:34:40 -0700, jeffcoslacker
> wrote:

>
>George Wrote:
>> On Sat, 9 Sep 2006 05:37:25 -0700, jeffcoslacker
>> > wrote:
>>
>> >
>> >George Wrote:
>> >> I have an old tiller with a Kohler single-cylinder 4-stroke engine.
>> >> It lost all power (over about 30 secs), and now won't start. Since
>> >> then, ...

>> >> Questions:
>> >> - Is above consistent with a 'weak' coil?
>> >> - Is there another way to test that?
>> >>
>> >>
>> >> And, any other thoughts would be appreciated.
>> >>
>> >> G
>> >
>> >75 psi compression doesn't sound like enough for a gas engine to
>> >run....usually around twice that...
>>
>> This is a 7 hp pull start, and it has some sort of compression relief
>> to
>> reduce the starting effort. It works off the crankshaft speed. I
>> figured it out once, but I don't remember the details.
>>
>> G
>
>See if it will start with a dry plug and the air cleaner removed.

No. Tried that, early on.


>I did see Kohler has a compression release, I was wondering if you
>figured that into the compression reading...

No - that was just a raw reading while I pulled it.


>Your spark, fat and blue or thin and yellow/white?

I'd call it violet and thin (watching it in the dark). It's not
inspiring, but it is there. (That's spinning the crank with a drill.)

G