.044 mm
.044
Check out my bio page for help on selecting the correct spark plug for your FourTrax.
NGK
The recommended spark plug gap is .044"
The recommended and suggest spark plug gap for a 1999 Honda Passport is .046. That is the recommended gap for most engines of that model.
The manufacturers recommended spark plug gap is .044"
According to the spark plug manufacturer NGK, the recommended gap for a 2001 Honda XR100 is .028"
PR8EA
1997 Honda Cr250 2 Stroke Spark Plug Gap; this info is directly from the Honda Manual: 0.5 - 0.6 mm (0.020 - 0.024 in) Spark Plug Recommended: NGK - BR8EV
The recommended spark plug gap for a 1999 Honda CBR600F4 is .035", according to the manufacturer NGK. The correct plug is CR9EH-9. Or, for the iridium upgrade, it is CR9EHIX-9.
Check the plug No. Last number is for the Gap size. NGK Resistor Spark Plug DPR7EA-9 The 9 is the gap size
OEM are the best spark plug wires for the Honda cbr. These spark plug wires can be found at the local Honda dealership.