[Public-List] Atomic IV making strange noise

[Gordon Laco]

Thanks John - I saw that on their web site.... I reckon the reason my
friend's engine quiets down after first start up is that oil gets up into
the bushing.  

Gord


On 03/10/11 4:29 PM, "mahseer at kos.net" <mahseer at kos.net> wrote:

> I suspect that the auxillery drive gear assembly has dry bushings, this
> assembly is oiled through oil splashing from the crank and is drained
> through a small hole drilled in the casting.  Moyer Marine has a fix to
> this by sealing the current hole and drilling a new one higher up so oil
> is retained in the housing.
> 
> John Boor
> MAHSEER #380
> 
>> Hello friends -
>> 
>> A good friend whose boat is fitted with an A4 engine is having an
>> issue....
>> The symptom is quite a distinct screeching or scratching sound that starts
>> when the engine fires up but stops after about 20 or 30 seconds.   I¹ve
>> only
>> heard the sound over a cell phone but it¹s most certainly there.
>> 
>> Anybody have an idea of what this might be?  I thought a good explanation
>> might be a loose belt that stops slipping after it got heated by friction,
>> but after hearing it yesterday over the phone I think it is more of a
>> metal
>> on metal scratching sound.
>> 
>> Gord #426 Surprise
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