.045
that should have the HEI distributor so the plugs should be set at .045
.035 or you can go .045 depends on the engine setup but .045 is a safe gap.
The spark plug gap on a 2000 Kodiak 400 is .024
The correct spark plug for this motorcycle is: NGK D8EA
To change the spark plug on a 2004 Suzuki Eiger 400, first, ensure the engine is cool and disconnect the negative battery cable. Remove the spark plug cap and use a spark plug socket to unscrew the old spark plug. Before installing the new spark plug, check the gap and adjust it if necessary. Finally, screw in the new spark plug, reconnect the spark plug cap, and reattach the battery cable.
a 400 small block Chevy has a 4.125" bore.
it could be a bad spark plug wire or the plug could be gapped to much
To remove the spark plug on a Polaris Sportsman 400, first ensure the engine is cool and the ignition is off. Locate the spark plug, which is typically found on the side of the engine, and disconnect the spark plug wire. Use a spark plug socket and ratchet to unscrew the spark plug by turning it counterclockwise. Once removed, inspect or replace as needed, and then reassemble by reversing the steps.
.028
.028
.045
035