the stock 400ex has 29.3 at 6900 rpm
26hp
about 2 qt.
1.9 us quarts
2.3 quarts
how to time a 2002 400ex
between 27 and 29 hp
Around 27 HP.
400ex does 60 tops.
definitly
stock to stock my buddy has a z400 and i have a 400ex and me and him are the same weight and we are side by side the hole time and they both will go about 70mph it depends how much weight you put on the quads
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.