burn it
Ignition Coil braking down?
the ground-wire
SPARK PLUG (DR8ES) (NGK) SPARK PLUG (X24ESR-U) (DENSO)
NGK brand: part no. 5129 DPR7EA-9
Check the kill switch on the left handle bar.. just to the left of the starter button.
NGK Makes Really Good Spart Plugs.
under the seat you have to take off a plastic tube on the upper left side to acess the spark plug.
check the gappings of your spark plugs, it must be uniform.
you remove the spark arrestor by taking the little screws that are at the end of the tip then yank it out with pliers
Takes the same size as a 185. DR8ES-L
Ah, the spark plug on a Honda Foreman 400 is located under the gas tank, near the engine. It's a small but important part of keeping your ATV running smoothly. Just like adding a happy little tree to a painting, taking care of your spark plug will help your Honda Foreman 400 perform beautifully on all your outdoor adventures.
if it is like my bike 2005 Honda foreman rubicon, you can find the spark plug under the seat. you have to take off the plastic part on the left side of the seat to acess the spark plug hole. by the way, the spark plug is very deep you probably need an extention, and a deep socket...