Subject: UPDATE: Engine Noise, Power Loss
>
> Compression is 140 psi @ #4, 144 psi @ #3, but only about 30 psi on
> cylinders #2 and #1. Which leads me to believe that it's either the
> cylinder head gasket, or the head itself. With the Air filters off, the
> front (#1) carburetor tends to spit gasoline OUT. This tells me that
there
> is some kind of lead between cylinders # 1 and # 2.
>
> Of course my reasoning could be completely wrong!
>
> Any ideas? how can I tell if it's the gasket vs. the head? (without taking
> the head off...if possible)
>
There is no doudt in my mind that you have "breached" the gasket between one
and two cylinders. DO NOT RUN THE ENGINE. I had the same thing last spring
on my 75. It's about a four hour fix w/ the better part of that being the
wait while the machine shop redecks the head.
Safety Fast,
David Deutsch
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