[C320-list] Trouble starting Yanmar 3GM

[Daniel Kolean]

I had trouble cold starting too. Hull #498, same Yanmar. What works for me is slowly open the throttle, pull it down, then put it back up to 1/2 to 3/4 throttle, then crank and bring throttle down when it fires. 

Dan Kolean
ENRICH #498
Sent from my iPhone

> On Jul 7, 2024, at 1:45 PM, r. scott via C320-list <c320-list at lists.catalina320.com> wrote:
> 
> i had the exact same problem on hull 615. had a very slow leak on line to
> fuel pump. one drop a week. racor pump primes   very well if fuel pump  is
> on wrong position on the cam
> 
>> On Sun, Jul 7, 2024 at 1:17 PM Louis Friedman via C320-list <
>> c320-list at lists.catalina320.com> wrote:
>> 
>> Hi all,
>> 
>> We have a 1999 320, previous owner had told me that the Yanmar when cold
>> would not start unless it was primed with the manuel fuel pump. He had
>> thought there might be a fuel leak.  I had our marina check it out(they are
>> certified for Yanmar engines) - they could not find any leaks and thought
>> it was fine. If the engine has been run within a day, it's fine. But more
>> than that and it needs priming to get fuel in the line - any other thoughts
>> on why this would be. Anyone have a similar issue?
>> 
>> Lou Friedman
>> s/v Miss Adventure
>> Hull #623
>>