MH>TW> Teh best thing you can adjust is the Fuel to Air ratio
MH>TW>Depending on what you are after yuo can lean it for better miledge
MH>TW>or enrichen it For a litle more power. You alaso might be able to
MH>TW>play with the spark advance.

MH>I have always thought that messing with those settings could end up fouling
MH>your spark plugs (either too lean or too rich).

True if yoyu get too radical on the rich side you can cause a plug
fouling problem and on the too lean side there are other problems
There is a fine balance point though where you can either improve the
performance or enhance the fuel miledge.

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 þ SLMR 2.1a þ Typo Tom Strkes Again