BT100 spark plug

[Booker]

Hey can anyone on here suggest a ngk replacement plug for my BT100 I bought the motor second hand and it didn’t come with a manual so I’m not sure what to put in it

 

[mark20]

Hey can anyone on here suggest a ngk replacement plug for my BT100 I bought the motor second hand and it didn’t come with a manual so I’m not sure what to put in it

A ngk B6HS should fit. Just go to the auto parts store to see if the threads are correct