Single cylinder 4 stroke revolutions

[hugh101]

So i am fitting a aftermarket rev counter which attaches to the spark plug wire
I need to set the sparks per revolution
How many times does a 4 stroke single spark plug fire per revolution?

 

[Mayhem]

 

[dookie]

 

[Colin Kaapschehoop]

 

[Shawn450]

 

[Mayhem]

 

[Bill the Bong]

 

[2StrokeDan]

 

[Shawn450]

 

[Shawn450]

 

[Cage]

 

[Dux]

 

[BuRP]

 

[BuRP]

 

[Dux]

 

[Shawn450]

 

[BuRP]

 

[hugh101]

 

[Shawn450]

 

[BuRP]