pb84,
"If your Maule has an impulse mag, it's a good idea to turn off the non-impulse mag, to avoid a potential backfire (and finger tip issues). It has always surprised me that impulse mags are not identified on the mag switch.
If your Maule has an impulse mag, it's a good idea to turn off the non-impulse mag, to avoid a potential backfire (and finger tip issues). It has always surprised me that impulse mags are not identified on the mag"
Here's on interesting link on magnetos , it appears the non impulse coupled mag is sidelined during the starting process
http://www.pittspecials.com/articles/Magnetos.htm