On Tuesday, March 12, 2002, at 02:17 PM, Mark Sheflo wrote:

> Seems like most of the talk about heads on the list revolves around
> Wasserleakers.  I need some opinions on an oil dripper (oops, that
> should be
> air-cooled!).
>
> Here is the story:
>
>     Noticed a general lack of power so did a bit of looking about.
>
> Timing spot on.
>
> Compression check:
>
> 1 = 0
> 2 = 110
> 3 = 115
> 4 = 110
>
> Symptoms:
>
> No excess crankcase pressure
> Wet (gas) but clean spark plug in #1
> #'s 2,3 and 4 have lots of black soot on the plugs (too rich)
> No back-firing out the exhaust, even with some small leaks in the
> exhaust.
>
> My thoughts tend to lean towards a bad valve, but which one, intake or
> exhaust?

Hard to say, I would lean to exhaust.

>
> Also, for those with the experience, should one drop the engine to
> remove
> the head or can I do it with the engine in place?
>
You can do it in place, but you don't want to. Take it out and check
both heads. You don't want to do it again in three months time.

Kim Howe
khowe@omninet.net.au