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Old 05-13-2009
gevanoff gevanoff is offline
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unusual starting Yanmar

any help would be appreciated.

my 2gm is an original from 1982.
it has been running fine and I am the original owner
the filters have been changed regularly

this season when launched it started normally and ran for ~5minutes before violent shaking and stopping!

now it will not start at 1/4 throttle( were it always did) I can start it at 1/2 - 3/4 throttle it starts and runs smoothly when I let it warm up and try to throttle back to neutral it starts to shake violently and stop.

I have bled the system to no avail. It was suggested to try starting on one cylinder at a time to see if they are equal and they are.

any suggestions at what I can look at or what may be the problem


thanks
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