I got this e mail for O.S. today in responce to the same thing I posted on this fourm-
check it out-


Thank you for your recent e-mail.

It's not possible for us to give you an actual temperature or
temperature range for your engine. The specific temperature is
determined by too many factors. There is only one way to determine at
what temperature your engine should be run. You have to run it first
and then find out what temperature the engine reaches.

Make sure your engine is operating properly, with the performance you
expect. Use the exact setup every time...fuel, exhaust system, plug,
measurement location, and so forth. If you change anything, the
temperature will change. Once you have the engine running the way you
want it. Take your measurement. This is your starting point. You
will
have to take measurements over time to find out how the weather affects
it. As the air temperature and humidity change from day-to-day, the
operating temperature will change. Eventually, you'll find a
temperature range that you can use.

Engine temperature is not an absolute number for setting your engine.
It is only a guide, and can help alert you to potential problems. The
only sure way to make sure your engine is running correctly is to see
how it's running. An engine can be operating at "correct"
temperatures,
but not running well.

Finally, use any temperatures you read about, or people tell you, as
rough information. The only useful numbers are the ones you actually
measure when your engine is running correctly. If your engine is
running correctly, then what you measure is correct, even if some else
says it's too high or too low. Don't worry about the differences.
Each
engine is in a unique installation with a unique set of circumstances,
so there can be wide variances in engine temperature.

As far as the engine being set rich from the factory,this is need so
that the engine gets the lubrication.

I hope you find this information helpful. Should you have any further
questions or concerns, please do not hesitate to contact us at this
email address. (Please be sure to copy all previous emails into any
future questions.) You can also reach our product support technical
team at 217-398-8970, or via fax at 217-398-7721.