Checked my spam folder - quite a few in there.

Eric - 

I don’t believe the change was sudden.

I does not belch black diesel smoke or any other colour.     Good questions.  

Runs evenly.  

All This I gather means inadequate flow of either fuel or air.  (Air could be 
constrained by the exhaust) 

Thanks.  

Dave 

Sent from my iPhone

> On Sep 17, 2020, at 8:10 PM, E White victoriaene...@gmail.com <> wrote:
> 
> 
> Dave:
> A few Questions:
> Exhaust smoke; under load does it produce an elevated amount of black smoke 
> (overloaded)?  White smoke that dissipates gradually (unburned fuel)?  White 
> smoke that travels a few feet and vanishes (steam)?
> 
> Was the engine fine one day and have this problem the next, or is it 
> something that has developed gradually?
> 
> Under load, does it run evenly or does it surge and sputter? Or, run evenly 
> and smoothly?
> 
> Eric
> 
>> On Sat, Sep 12, 2020 at 7:45 PM Dave S <syerd...@gmail.com> wrote:
>> Non C&C content but relevant.  My neighbour has an Ericsson 30 with a 16hp 
>> universal diesel. 
>> His engine will not rev beyond  1800 In reverse and is similarly challenged 
>> in forward.  It’s dangerous as he cannot proceed faster than 2kt against 
>> wind and waves.  It revs freely beyond 3000rpm in neutral.
>> Am thinking it’s either low fuel flow (so work from pickup tube to pump to 
>> troubleshoot) or a partially blocked mixing elbow. (Re and re) Will also 
>> assist him in verifying that throttle and shutoff are fully operable at the 
>> engine and that the air intake is unrestricted.  He recently replaced his 
>> fuel filters. 
>> Any other thoughts or expertise that might help?
>> Many thanks!
>> 
>> Dave - 33-2 (with a well loved and happy Yanmar)
>> 
>> Sent from my iPhone
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