A match book or bussiness card is just about right
"Oren" wrote in message
...
On Fri, 13 Jul 2007 17:33:26 -0500, "raindeeer"
wrote:

how do i set the magneto spark gap on a 4hp push mower, is ther a sertain
gap or do i just push it up to the magneto magnet

Some folks say to use a match book cover... about 0.25.

I don't know the real answer, but you do need a gap and this gap will
affect performance.

--
Oren

..through the use of electrical or duct tape, achieve the configuration in
the photo..