Interesting. Our 35 year old 3GM starts immediately every time with throttle on dead idle. About 10 years ago had starting issues and white smoke. Replaced injectors and fuel pump – problem solved. Check the oil level. If it is rising then fuel is getting into the oil which can cause some spectacular results. In our case culprit was broken diaphragm in the fuel pump which of course reduced fuel pressure and allowed leak into oil sump.
John and Maryann Legacy III 1982 C&C 34 Noank, CT From: CnC-List [mailto:[email protected]] On Behalf Of Josh Muckley via CnC-List Sent: Wednesday, December 06, 2017 11:53 PM To: C&C List Cc: Josh Muckley Subject: Re: Stus-List Hard starting 3GM 30 As I recall the Yanmar manual says to start with mid-throttle. Josh On Dec 6, 2017 9:16 PM, "David Castor via CnC-List" <[email protected]> wrote: FWIW, on my Westerbeke, the owner's manual recommends starting with throttle wide open. Don't know about Yanmar. It helped a lot when I started doing that. I guess it's good to read the manual sometimes. Dave Castor On Wed, Dec 6, 2017 at 11:49 AM, ALAN BERGEN via CnC-List <[email protected]> wrote: Fred: My 3GMF (20hp) does the same thing. When I first start it I give it full throttle, and it starts fine. After a race, it starts fine with no advanced throttle. I just assume the fuel is flowing back in the line, and it's taking a while to get to the engine. Some day I'll tighten all the fuel line fittings. Alan Bergen 35 Mk III Thirsty Rose City YC Portland, OR On Wed, Dec 6, 2017 at 10:52 AM, Fred Hazzard via CnC-List <[email protected]> wrote: What causes it to start poorly? To start it we have to give it full throttle. One more clue is that when it first fires some white smoke comes out.. Fred Hazzard S/V Fury Portland Or Sent from my iPhone _______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://urldefense.proofpoint.com/v2/url?u=https-3A__www.paypal.me_stumurray <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.paypal.me_stumurray&d=DwICAg&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=9w3G7Cf8YfQnrjmtuNxwDJYr3JMv9f1pAfgAJ9xXYQQ&m=gVh3DTSZS2-MlUPNb7VoKHqe9sPmYXbPu76ur9Se-C4&s=ThqPMjcPyL9_IFeUYVab3I9rB8sF-m8TXMvVAIeWX70&e=> &d=DwICAg&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=9w3G7Cf8YfQnrjmtuNxwDJYr3JMv9f1pAfgAJ9xXYQQ&m=gVh3DTSZS2-MlUPNb7VoKHqe9sPmYXbPu76ur9Se-C4&s=ThqPMjcPyL9_IFeUYVab3I9rB8sF-m8TXMvVAIeWX70&e= _______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray _______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
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