on the bottom of the motor but you may need to remove a skid plate depending on wat brand. i know some have a hole cut for the drain plug but not all.
GN4 Honda oil only.
0.028
The most common reason for a Honda 400EX not to fire is the need for a new spark plug. Try replacing the spark plug to see if that fixes the problem.
A Honda 400ex is rated to hold 5 quarts of motor oil. This includes the oil stored in the oil pan and the filter which are replaced during an oil change.
1.9 us quarts
about 2 qt.
2.6 quarts
2.3 quarts
2.6 Quarts
The gap for this car is 0.024" to 0.028."
The Honda 400EX is equipped with one spark plug. This single-cylinder ATV features a 397cc engine, and its design requires just one spark plug for ignition. Regular maintenance of the spark plug is essential for optimal performance.
You need an 18 mm spark plug socket.