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John John is offline
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Default Small engine diagnostic help - Yamaha generator


"Ned Simmons" wrote in message
...
On Sun, 08 Mar 2009 21:30:54 -0500, Wayne
wrote:


I don't think there's a problem with the inverter controls. The
control may be shutting the engine down when it can't keep up with
demand, rather than allowing it a chance to catch up, which is how
it's intended to operate. The inverter wants to supply either good
power, or none at all.


If it is similiar to the Honda inverter models, on an overload
condition the inverter stops outputting, but the engine keeps running.
An engine restart is required for the output to resume.


You're right, it should behave as you describe when overloaded.

--
Ned Simmons




The next thing to check is the high voltage coil that is breaking down.
Magneto coils have a habit of doing that. I had one that was doing exactly
the same thing as yours. dropping out under heavy load. After doing all the
usual stuff with the carb. I finally put an ohm meter on the coil secondary
and it was open but still ran the engine under a light to medium load. It
was a 7 kw generator but would only load up to about 3 kw. and then conk
out.


John