5 gallon gas can + a spark via det cord = bigger BOOM!!
And most commercial ztr's carry 10+/- gallons on board. Yet we still feel "safe". When you think about it, these things are death traps just waiting for the one right spark to set them off.
Or this one works too... http://www.youtube.com/watch?v=C72bv2YhZ6A
'07 Chevy 2500HD
2010 John Deere Z925A 54" MOD
2011 John Deere Quik Trak 647A
John Deere walkbehind