Most manufactures recomend a gap of 0.5-0.6 mm for racing bikes and for street bikes 0.6-0.7mm.
Anything between this and you should be fine.
You didn't specify what size but most dirt bikes will run a gap of 0.5-0.6 mm.
to a replacement plate in front of the spark plug
spark plugs tend to foul because too much oil builds up around the plug and it cannot work correctly. *sometimes* you can actually remove the plug, clean it, re-gap it, and replace it in the bike.
The 1991 Suzuki 250 dirt bike spark plug gap is .019. Most spark plugs will come pre-gapped from the spark plug manufacturer.
What I s the correct spark plug gap for 2011 Yamaha 230 Dirt Bike.
They seal oil/water/dirt out of the plug tube.
The spark plug gap is different for each manufacturer. The normal gap for these types of bikes is between 0.6 - 0.8 mm.
Remove the rubber cover and plug lead from spark plug. Using a bike plug spanner [cheap at your favourite auto supermart] remove plug.
you need a new spark plug. they are about 5 dollars and you will need a special tool to open up the area and get the old spark plug out. Your Honda dealer will help you with that.
Ngk cr9ek
I think you can by attaching it to you spark plug wire
An 03 Suzuki gsxr 750 is a dirt bike. This type of dirt bike has only one spark plug in the motor.