NGK CR8EH-9
when standing behind machine, spark plug will be located on the left side of engine. to access this you must first remove the seat, then lift up the black rubber flap covering carb, then remove the the chamber device on the air intake. after this is complete you will see the spark plug and the spark plug wire
if it starts i might need the carburetor tuned or cleaned or check the spark plug gap
The spark plug gap on a 2000 Kodiak 400 is .024
The correct spark plug for this motorcycle is: NGK D8EA
it could be a bad spark plug wire or the plug could be gapped to much
The spark plug gap for a Yamaha Big Bear 400 should be set at .024 inches. A new spark plug may be purchased at an auto parts store with the gap preset.
.045
035
.060
.028
.028
Don't change the setting on the plug. The 400's are happiest when you just plug in new ones and ride. They like NGKs the best. There are two types for the 400. One runs hotter. This choice will depend on which country you live in and what the ambient temperatures are.