American Sportworks Trail Wagon TW400 Owner's Manual page 7

safety
It is very important to read, understand, and follow all instructions
and warnings located on the decals on your Utility Vehicle.
!
USE ONLY MID-GRADE UNLEADED GASOLINE (89-93 OCTANE)
This engine is designed to run on automotive gasoline with
E15
allowable ethanol blends from 0% - 10%.
Attempting to use anything other than this will cause damage
E85
to the engine and void the manufacturer warranty.
CAUTION
SECTION 2
4