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Discussion Starter #1
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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So everything was fine and one day the problem just started??

More info please.

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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Discussion Starter #3
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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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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What was the last thing done to the engine and how long ago?

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

How old is the engine?
 

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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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