APBA Region 11 Modified Outboard Classes:
Modified Outboard classes are similar to stock outboard class with the exception that the engines are allowed certain modifications and exhaust systems that use expansion chambers or megaphones.
D Modified Hydro
Engine: Mercury 44 cu. in. Produced from 1958-1996
Minimum overall weight: 470 lbs.
2005 DMH High Point Champion Curt Schlosser heads off Dave Schmiedt
D Modified Runabout
Engine: Mercury 44 cu. in. Produced from 1958-1996
Minimum overall boat length 12 feet. No weight requirement.
2003 Region 11 & National High Point Champion Denice Morris

Formula E Runabout
Engines: Mercury; 44, 50, 60 cu. in. Evinrude, Johnson; 45, 50 cu. in.
No minimum overall weight.
2005 Nationals Champion is Garland Powell, Stockton, CA
Formula E Hydroplane
Engines: same as runabout.
No minimum overall weight.
2005 Region 11 Champion Lonnie Morris, Stockton CA
2 Person Mod Runabout
Engines are the same as Formula E.
This class carries a "deck rider" in addition to the driver.
2005 Region 11 champions Allan and Kristy Sutfin, Yuba City CA