yanmar yse 8hp wont start warm - SailNet Community
 
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post #1 of 10 Old 07-27-2009 Thread Starter
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yanmar yse 8hp wont start warm

Hello

I have a yanmar yse 8hp diesel and it wont start up when warm
no problem when cold except i have to give it full gas..

any ideas?
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post #2 of 10 Old 07-27-2009
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So everything was fine and one day the problem just started??

More info please.

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Originally Posted by andersj81 View Post
Hello

I have a yanmar yse 8hp diesel and it wont start up when warm
no problem when cold except i have to give it full gas..

any ideas?

Rick
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post #3 of 10 Old 07-28-2009 Thread Starter
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its been getting a bit harder to start (varm) for a couple of months but now its impossible until it cooled down.
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post #4 of 10 Old 07-28-2009
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When you say it won't start, do you mean it won't crank over or it will crank and not fire?


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post #5 of 10 Old 07-28-2009 Thread Starter
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it crank over but wont fire
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post #6 of 10 Old 07-28-2009
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I was going to say starter solenoid, but thats not your problem.


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post #7 of 10 Old 07-28-2009 Thread Starter
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yea thats not it...
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post #8 of 10 Old 07-28-2009
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Diesel should start/run as long as they have compression and good injection fuel spray. Sounds like yours is fuel related, especially since you need to give it full throttle when cold. Have you tried bleeding the fuel system?
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post #9 of 10 Old 07-28-2009
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What was the last thing done to the engine and how long ago?

"Doctor I have a pain what is wrong with me?"

How old is the engine?

Rick
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post #10 of 10 Old 07-30-2009
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Sounds like a problem with the govenor setting. There is an explaination on how to set it properly in the manual. You can download the manual online if you don't have one.



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